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<html lang="en"><head><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><link href="./images/docs-stylesheet.css" rel="stylesheet" type="text/css"><title>Apache Tomcat 8 (8.5.97) - Changelog</title></head><body><div id="wrapper"><header><div id="header"><div><div><div class="logo noPrint"><a href="https://tomcat.apache.org/"><img alt="Tomcat Home" src="./images/tomcat.png"></a></div><div style="height: 1px;"></div><div class="asfLogo noPrint"><a href="https://www.apache.org/" target="_blank"><img src="./images/asf-logo.svg" alt="The Apache Software Foundation" style="width: 266px; height: 83px;"></a></div><h1>Apache Tomcat 8</h1><div class="versionInfo">
            Version 8.5.97,
            <time datetime="2023-12-07">Dec 7 2023</time></div><div style="height: 1px;"></div><div style="clear: left;"></div></div></div></div></header><div id="middle"><div><div id="mainLeft" class="noprint"><div><nav><div><h2>Links</h2><ul><li><a href="index.html">Docs Home</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul></div><div><h2>User Guide</h2><ul><li><a href="introduction.html">1) Introduction</a></li><li><a href="setup.html">2) Setup</a></li><li><a href="appdev/index.html">3) First webapp</a></li><li><a href="deployer-howto.html">4) Deployer</a></li><li><a href="manager-howto.html">5) Manager</a></li><li><a href="host-manager-howto.html">6) Host Manager</a></li><li><a href="realm-howto.html">7) Realms and AAA</a></li><li><a href="security-manager-howto.html">8) Security Manager</a></li><li><a href="jndi-resources-howto.html">9) JNDI Resources</a></li><li><a href="jndi-datasource-examples-howto.html">10) JDBC DataSources</a></li><li><a href="class-loader-howto.html">11) Classloading</a></li><li><a href="jasper-howto.html">12) JSPs</a></li><li><a href="ssl-howto.html">13) SSL/TLS</a></li><li><a href="ssi-howto.html">14) SSI</a></li><li><a href="cgi-howto.html">15) CGI</a></li><li><a href="proxy-howto.html">16) Proxy Support</a></li><li><a href="mbeans-descriptors-howto.html">17) MBeans Descriptors</a></li><li><a href="default-servlet.html">18) Default Servlet</a></li><li><a href="cluster-howto.html">19) Clustering</a></li><li><a href="balancer-howto.html">20) Load Balancer</a></li><li><a href="connectors.html">21) Connectors</a></li><li><a href="monitoring.html">22) Monitoring and Management</a></li><li><a href="logging.html">23) Logging</a></li><li><a href="apr.html">24) APR/Native</a></li><li><a href="virtual-hosting-howto.html">25) Virtual Hosting</a></li><li><a href="aio.html">26) Advanced IO</a></li><li><a href="extras.html">27) Additional Components</a></li><li><a href="maven-jars.html">28) Mavenized</a></li><li><a href="security-howto.html">29) Security Considerations</a></li><li><a href="windows-service-howto.html">30) Windows Service</a></li><li><a href="windows-auth-howto.html">31) Windows Authentication</a></li><li><a href="jdbc-pool.html">32) Tomcat's JDBC Pool</a></li><li><a href="web-socket-howto.html">33) WebSocket</a></li><li><a href="rewrite.html">34) Rewrite</a></li></ul></div><div><h2>Reference</h2><ul><li><a href="RELEASE-NOTES.txt">Release Notes</a></li><li><a href="config/index.html">Configuration</a></li><li><a href="api/index.html">Tomcat Javadocs</a></li><li><a href="servletapi/index.html">Servlet 3.1 Javadocs</a></li><li><a href="jspapi/index.html">JSP 2.3 Javadocs</a></li><li><a href="elapi/index.html">EL 3.0 Javadocs</a></li><li><a href="websocketapi/index.html">WebSocket 1.1 Javadocs</a></li><li><a href="jaspicapi/index.html">JASPIC 1.1 Javadocs</a></li><li><a href="annotationapi/index.html">Common Annotations 1.2 Javadocs</a></li><li><a href="https://tomcat.apache.org/connectors-doc/">JK 1.2 Documentation</a></li></ul></div><div><h2>Apache Tomcat Development</h2><ul><li><a href="building.html">Building</a></li><li><a href="changelog.html">Changelog</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT/Tomcat+Versions">Status</a></li><li><a href="developers.html">Developers</a></li><li><a href="architecture/index.html">Architecture</a></li><li><a href="tribes/introduction.html">Tribes</a></li></ul></div></nav></div></div><div id="mainRight"><div id="content"><h2>Changelog</h2><h3 id="Tomcat_8.5.97_(schultz)"><span id="Tomcat_8.5.97_(schultz)_rtext" style="float: right;"></span> Tomcat 8.5.97 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.97_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Background processes should not be run concurrently with lifecycle
        oprations of a container. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct unintended escaping of XML in some WebDAV responses. The XML
        list of support locks when provided in response to a PROPFIND request
        was incorrectly XML escaped. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=68227">68227</a>: Ensure that <code>AsyncListener.onComplete()</code> is
        called if <code>AsyncListener.onError()</code> calls
        <code>AsyncContext.dispatch()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=68228">68228</a>: Use a 408 status code if a read timeout occurs during
        HTTP request processing. Includes a test case based on code provided by
        adwsingh. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.97_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=68119">68119</a>: Refactor the <code>CompositeELResolver</code> to
        improve performance during type conversion operations. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.97_(schultz)/Web_Applications">Web Applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Examples. Improve the error handling so snakes associated with a user
        that drops from the network are removed from the game. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.97_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update UnboundID to 6.0.11. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.12.5. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update SpotBugs to 4.8.2. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations by tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Russian translations by usmazat and remm. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.96_(schultz)"><span id="Tomcat_8.5.96_(schultz)_rtext" style="float: right;">Release in progres</span> Tomcat 8.5.96 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.96_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67667">67667</a>: <code>TLSCertificateReloadListener</code> prints
        unreadable rendering of <code>X509Certificate#getNotAfter()</code>.
        (michaelo)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        The status servlet included in the manager webapp can now output
        statistics as JSON, using the <code>JSON=true</code> URL parameter.
        (remm)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Optionally allow ServiceBindingPropertySource to trim a trailing newline
        from a file containing a property-value. (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67793">67793</a>: Ensure the original session timeout is restored after
        FORM authentication if the user refreshes a page during the FORM
        authentication process. Based on a suggestion by Mircea Butmalai.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67926">67926</a>: <code>PEMFile</code> prints unidentifiable string
        representation of ASN.1 OIDs. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66875">66875</a>: Ensure that setting the request attribute
        <code>jakarta.servlet.error.exception</code> is not sufficient to
        trigger error handling for the current request and response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=68054">68054</a>: Avoid some file canonicalization calls introduced
        by the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65433">65433</a>. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=68089">68089</a>: Improve performance of request attribute access for
        <code>ApplicationHttpRequest</code> and <code>ApplicationRequest</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use a 400 status code to report an error due to a bad request (e.g. an
        invalid trailer header) rather than a 500 status code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that an <code>IOException</code> during the reading of the
        request triggers always error handling, regardless of whether the
        application swallows the exception. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.96_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66670">66670</a>: Add
        <code>SSLHostConfig#certificateKeyPasswordFile</code> and
        <code>SSLHostConfig#certificateKeystorePasswordFile</code>. (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When calling
        <code>SSLHostConfigCertificate.setCertificateKeystore(ks)</code>,
        automatically call
        <code>setCertificateKeystoreType(ks.getType())</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67628">67628</a>: Clarify how the <code>ciphers</code> attribute of the
        <code>SSLHostConfig</code> is used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67666">67666</a>: Ensure TLS connectors using PEM files either work with
        the <code>TLSCertificateReloadListener</code> or, in the rare case that
        they do not, log a warning on Connector start. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67675">67675</a>: Support a wider range of KDF and ciphers for PEM files
        than the combinations supported by the JVM by default. Specifically,
        support the OpenSSL default of HmacSHA256 and DES-EDE3-CBC. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67927">67927</a>: Reloading TLS configuration can cause the Connector to
        refuse new connections or the JVM to crash. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67934">67934</a>: If both Tomcat Native 1.2.x and 2.0.x are available,
        prefer 1.2.x since it supports the APR/Native connector whereas 2.0.x
        does not. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67938">67938</a>: Correct handling of large TLS client hello messages
        that were causing the TLS handshake to fail. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=68026">68026</a>: Convert selected <code>MessageByte</code> values to
        String when first accessed to speed up subsequent accesses and reduce
        garbage collection. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.96_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=68068">68068</a>: Performance improvement for EL. Based on a suggestion
        by John Engebretson. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.96_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67538">67538</a>: Make use of Ant's <code>&lt;javaversion /&gt;</code> task
        to enfore the mininum Java build version. (michaelo)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.12.4. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update JaCoCo to 0.8.11. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update SpotBugs to 4.8.0. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.95_(schultz)"><span id="Tomcat_8.5.95_(schultz)_rtext" style="float: right;">2023-10-16</span> Tomcat 8.5.95 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.95_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67670">67670</a>: Fix regression with HTTP compression after code
        refactoring. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.95_(schultz)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67664">67664</a>: Correct a regression in the clean-up of unnecessary
        use of fully qualified class names in 8.5.94 that broke the jdbc-pool.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.94_(schultz)"><span id="Tomcat_8.5.94_(schultz)_rtext" style="float: right;">2023-10-10</span> Tomcat 8.5.94 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.94_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65770">65770</a>: Provide a lifecycle listener that will automatically
        reload TLS configurations a set time before the certificate is due to
        expire. This is intended to be used with third-party tools that
        regularly renew TLS certificates. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix handling of an error reading a context descriptor on deployment.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix rewrite rule qsd (query string discard) being ignored if qsa was
        also use, while it should instead take precedence. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67472">67472</a>: Send fewer CORS-related headers when CORS is not
        actually being engaged. (schultz)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve handling of failures within <code>recycle()</code> methods.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.94_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67198">67198</a>: Ensure that the AJP connector attribute
        <code>tomcatAuthorization</code> takes precedence over the
        <code>tomcatAuthentication</code> attribute when processing an
        <code>auth_type</code> attribute received from a proxy server. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67235">67235</a>: Fix a <code>NullPointerException</code> when an
        <code>AsyncListener</code> handles an error with a dispatch rather than
        a complete. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When an error occurs during asynchronous processing, ensure that the
        error handling process is only triggered once per asynchronous cycle.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix logic issue trying to match no argument method in IntropectionUtil.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve thread safety around readNotify and writeNotify in the NIO2
        endpoint. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid rare thread safety issue accessing message digest map. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Align validation of HTTP trailer fields with standard fields. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improvements to HTTP/2 overhead protection. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.94_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=67080">67080</a>: Improve performance of EL expressions in JSPs that use
        implicit objects. Based on suggestions by John Engebretson, Anurag Dubey
        and Christopher Schultz. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.94_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons FileUpload to 7a8c324
        (2023-09-16, 1.x-SNAPSHOT). Due to significant refactoring in the 2.x
        branch requiring additional Commons IO dependencies, Tomcat has switched
        to tracking the 1.x branch. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update UnboundID to 6.0.10. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.12.3. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Tomcat Native to 1.2.39 to pick up Windows binaries built with
        OpenSSL 3.0.11. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations by tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Russian translations by usmazat. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.93_(markt)"><span id="Tomcat_8.5.93_(markt)_rtext" style="float: right;">2023-08-25</span> Tomcat 8.5.93 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.93_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If an application or library sets both a non-500 error code and the
        <code>javax.servlet.error.exception</code> request attribute, use the
        provided error code during error page processing rather than assuming an
        error code of 500. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update code comments and Tomcat output to use MiB for 1024 * 1024 bytes
        and KiB for 1024 bytes rather than MB and kB. (martk)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid protocol relative redirects in FORM authentication. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.93_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Documentation. Update documentation to use MiB for 1024 * 1024 bytes and
        KiB for 1024 bytes rather than MB and kB. (martk)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.93_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. (lihan)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations by tak7iji. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.92_(markt)"><span id="Tomcat_8.5.92_(markt)_rtext" style="float: right;">2023-08-14</span> Tomcat 8.5.92 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.92_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Align documentation for maxParameterCount to match hard-coded defaults.
        Contributed by Michal Sobkiewicz. (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66680">66680</a>: When serializing a session during the session
        presistence process, do not log a warning that null Principals are not
        serializable. Pull request <a href="https://github.com/apache/tomcat/pull/638">#638</a> provided by tsryo. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Catch <code>NamingException</code> in <code>JNDIRealm#getPrincipal</code>.
        It is used in Java up to 17 to signal closed connections. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66822">66822</a>: Use the same naming format in log messages for
        Connector instances as the associated ProtocolHandler instance. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        The parts count should also lower the actual
        <code>maxParameterCount</code> used for parsing parameters if parts are
        parsed first. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.92_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression introduced in 8.5.91 and use the correct
        constant when constructing the default value for the
        <code>certificateKeystoreFile</code> attribute of an
        <code>SSLHostConfigCertificate</code> instance. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor HTTP/2 implementation to reduce pinning when using virtual
        threads. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66841">66841</a>: Ensure that <code>AsyncListener.onError()</code> is
        called after an error during asynchronous processing with HTTP/2.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a race condition that could cause spurious RST messages to be
        sent after the response had been written to an HTTP/2 stream. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.92_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66681">66681</a>: Fix a <code>NullPointerException</code> when flushing
        batched messages with compression enabled using
        <code>permessage-deflate</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.92_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the <code>releaseIdleCounter</code> does not increment when testAllIdle
        releases them. Pull request <a href="https://github.com/apache/tomcat/pull/241">#241</a> provided by Arun Chaitanya Miriappalli
        (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the <code>ConnectionState</code> state will be inconsistent with actual
        state on the connection when an exception occurs while writing. Pull request
        <a href="https://github.com/apache/tomcat/pull/643">#643</a> provided by Wenjun Xiao. (lihan)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.92_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update NSIS to 3.0.9. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.12.2. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Contributed by tak7iji and
        Shirayuking. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66829">66829</a>: Fix quoting so users can use the <code>_RUNJAVA</code>
        environment variable as intended on Windows when the path to the Java
        executable contains spaces. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Tomcat Native to 1.2.38 to pick up Windows binaries built with
        OpenSSL 1.1.1v. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.91_(schultz)"><span id="Tomcat_8.5.91_(schultz)_rtext" style="float: right;">2023-07-10</span> Tomcat 8.5.91 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.91_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59232">59232</a>: Add
        <code>org.apache.catalina.core.ContextNamingInfoListener</code>,
        a listener which creates context naming information environment entries.
        (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66665">66665</a>: Add
        <code>org.apache.catalina.core.PropertiesRoleMappingListener</code>,
        a listener which populates the context's role mapping from a properties
        file. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix an edge case where intra-web application symlinks would be followed
        if the web applications were deliberately crafted to allow it even when
        <code>allowLinking</code> was set to <code>false</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make parsing of <code>ExtendedAccessLogValve</code> patterns more
        robust. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.91_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66627">66627</a>: Restore the documented behaviour of
        <code>MessageBytes.getType()</code> that it returns the type of the
        original content rather than reflecting the most recent conversion.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66635">66635</a>: Correct certificate logging on start-up so it
        differentiates between keystore based keys/certificates and PEM file
        based keys/certificates and logs the relevant information for each.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor blocking reads and writes for the NIO connector to remove
        code paths that could allow a notification from the Poller to be missed
        resuting in a timeout rather than the expected read or write. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor waiting for an HTTP/2 stream or connection window update to
        handle spurious wake-ups during the wait. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.91_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of error conditions for the WebSocket server,
        particularly during Tomcat shutdown. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66574">66574</a> that meant the
        WebSocket session could return false for <code>onOpen()</code> before
        the <code>onClose()</code> event had been completed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.91_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Documentation. Expand the security guidance to cover the embedded use
        case and add notes on the uses made of the <code>java.io.tmpdir</code>
        system property. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66662">66662</a>: Documentation. Fix a typo in the name of the
        <strong>algorithms</strong> attribute in the configuration section for
        the Digest authentication valve. Pull request <a href="https://github.com/apache/tomcat/pull/629">#629</a> provided by
        gohilmca. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.91_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Include the Windows specific binary distributions in the files uploaded
        to Maven Central. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Contributed by tak7iji. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update UnboundID to 6.0.9. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.12.1. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update JSign to 5.0. (markt/rjung)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.90_(schultz)"><span id="Tomcat_8.5.90_(schultz)_rtext" style="float: right;">2023-06-12</span> Tomcat 8.5.90 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.90_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add <code>org.apache.catalina.core.StandardVirtualThreadExecutor</code>,
        a virtual thread based executor that may be used with one or more
        Connectors to process requests received by those Connectors using
        virtual threads. This Executor requires a minimum Java version of Java
        21. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66513">66513</a>: Add a per session Semaphore to the
        <code>PersistentValve</code> that ensures that, within a single Tomcat
        instance, there is no more than one concurrent request per session. Also
        expand the debug logging to include whether a request bypasses the Valve
        and the reason if a request fails to obtain the per session Semaphore.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66609">66609</a>: Ensure that the default servlet correctly escapes
        file names in directory listings when using XML output. Based on pull
        request <a href="https://github.com/apache/tomcat/pull/621">#621</a> by Alex Kachanov. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
       <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66618">66618</a>: Add a numeric last modified field to the XML directory
       listings produced by the default servlet to enable sorting in the XSLT.
       Pull request <a href="https://github.com/apache/tomcat/pull/622">#622</a> by Alex Kachanov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66621">66621</a>: Attempts to lock a collection with WebDAV may
        incorrectly fail if a child collection has an expired lock. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66622">66622</a>: Deprecate the <code>xssProtectionEnabled</code>
        setting from the <code>HttpHeaderSecurityFilter</code> and change the
        default value to <code>false</code> as support for the associated HTTP
        header has been removed from all major browsers. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.90_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the HTTP/2 implementation to use the prioritization scheme
        defined in RFC 9218 rather than the one defined in RFC 7540.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66602">66602</a>: not sending WINDOW_UPDATE when dataLength is ZERO
        on call SwallowedDataFramePayload. Pull request #619 by
        ledefe. (lihan)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.90_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66548">66548</a>: Expand the validation of the value of the
        <code>Sec-Websocket-Key</code> header in the HTTP upgrade request that
        initiates a WebSocket connection. The value is not decoded but it is
        checked for the correct length and that only valid characters from the
        base64 alphabet are used. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.90_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Commons Daemon 1.3.4. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.12.0. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Apache Tomcat Native Library to
        1.2.37 to pick up the Windows binaries built with with OpenSSL 1.1.1u.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.89_(schultz)"><span id="Tomcat_8.5.89_(schultz)_rtext" style="float: right;">2023-05-19</span> Tomcat 8.5.89 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.89_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66567">66567</a>: Fix missing <code>IllegalArgumentException</code>
        after the Tomcat code was converted to using URI instead of URL. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Escape timestamp output in <code>AccessLogValve</code> if a
        <code>SimpleDateFormat</code> is used which contains verbatim
        characters that need escaping. (rjung)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Change output of vertical tab in <code>AccessLogValve</code> from
        <code>\v</code> to <code>\u000b</code>. (rjung)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Improve performance of escaping in <code>AccessLogValve</code>
        roughly by a factor of two. (rjung)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Improve <code>JsonAccessLogValve</code>: support more patterns
        like for headers and attributes. Those will be logged as sub objects.
        (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/613">#613</a>: Fix possible partial corrupted file copies when using
        file locking protection or the manager servlet. Submitted
        by Jack Shirazi. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add RateLimitFilter which can be used to mitigate DoS and Brute Force
        attacks. (isapir)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.89_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for a new character set, <code>gb18030-2022</code> -
        introduced in Java 21, to the character set caching mechanism. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        The default for the HTTP Connector attribute
        <code>allowHostHeaderMismatch</code> has been changed from
        <code>true</code> to <code>false</code> to harden the default
        configuration. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        The default for the HTTP Connector attribute
        <code>rejectIllegalHeader</code> has been changed from
        <code>false</code> to <code>true</code> to harden the default
        configuration. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix an edge case in HTTP header parsing and ensure that HTTP headers
        without names are treated as invalid. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Deprecate the HTTP Connector settings <code>rejectIllegalHeader</code>
        and <code>allowHostHeaderMismatch</code> as they have been removed in
        Tomcat 11 onwards. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66591">66591</a>: Fix a regression introduced in the fix for
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66512">66512</a> that meant that an AJP Send Headers was not sent for
        responses where no HTTP headers were set. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.89_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66582">66582</a>: Account for EL having stricter requirements for static
        imports than JSPs when adding JSP static imports to the EL context.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.89_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66574">66574</a>: Refactor WebSocket session close to remove the lock on
        the <code>SocketWrapper</code> which was a potential cause of deadlocks
        if the application code used simulated blocking. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66575">66575</a>: Avoid unchecked use of the backing array of a
        buffer provided by the user in the compression transformation. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve exception handling when flushing batched messages during
        WebSocket session close. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66581">66581</a>: Update <code>AsyncChannelGroupUtil</code> to align it
        with the current defaults for AsynchronousChannelGroup. Pull request
        <a href="https://github.com/apache/tomcat/pull/612">#612</a> by Matthew Painter. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.89_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. (lihan)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.10.0. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Jacoco to 0.8.10. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.88_(schultz)"><span id="Tomcat_8.5.88_(schultz)_rtext" style="float: right;">2023-04-19</span> Tomcat 8.5.88 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.88_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65995">65995</a>: Implement RFC 9239 and use
        <code>text/javascript</code> as the media type for JavaScript rather
        than <code>application/javascript</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add an access log valve that uses a json format. Based on pull request
        <a href="https://github.com/apache/tomcat/pull/539">#539</a> provided by Thomas Meyer. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Harden the FORM authentication process against DoS attacks by using a
        reduced session timeout if the FORM authentication process creates a
        session. The duration of this timeout is configured by the
        <code>authenticationSessionTimeout</code> attribute of the FORM
        authenticator. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66527">66527</a>: Correct the Javadoc for the
        <code>Tomcat.addWebapp()</code> methods that incorrectly stated that the
        <code>docBase</code> parameter could be a relative path. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66524">66524</a> Correct eviction ordering in WebResource cache to
        by LRU as intended. (schultz)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Use server.xml to reduce the default value of
        <code>maxParameterCount</code> from 10,000 to 1,000. If not configured
        in server.xml, the default remains 10,000. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update Digest authentication support to align with RFC 7616. This adds a
        new configuration attribute, <code>algorithms</code>, to the
        <code>DigestAuthenticator</code> with a default of
        <code>SHA-256,MD5</code>. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add support code for custom user attributes in <code>RealmBase</code>.
        Based on code from <a href="https://github.com/apache/tomcat/pull/473">#473</a> by Carsten Klein. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66541">66541</a>: Improve handling for cached resources for resources
        that use custom URL schemes. The scheme specific <code>equals()</code>
        and <code>hashCode()</code> algorithms, if present, will now be used for
        URLs for these resources. This addresses a potential performance issue
        with some OSGi custom URL schemes that can trigger potentially slow DNS
        lookups in some configurations. Based on a patch provided by Tom
        Whitmore. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using a custom session manager deployed as part of the web
        application, avoid <code>ClassNotFoundException</code>s when validating
        session IDs extracted from requests. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66543">66543</a>: Give <code>StandardContext#fireRequestDestroyEvent</code>
         its own log message. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66554">66554</a>: Initialize Random during server initialization to
        avoid possible JVM thread creation in the webapp context on some
        platforms. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.88_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        JSON filter should support specific escaping for common special
        characters as defined in RFC 8259. Based on code submitted by
        Thomas Meyer. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66511">66511</a>: Fix <code>GzipOutputFilter</code> (used for compressed
        HTTP responses) when used with direct buffers. Patch suggested by Arjen
        Poutsma. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66512">66512</a>: Align AJP handling of invalid HTTP response headers
        (they are now removed from the response) with HTTP. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66530">66530</a>: Correct a regression in the fix for bug
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66442">66442</a> that meant that streams without a response body did not
        decrement the active stream count when completing leading to
        <code>ERR_HTTP2_SERVER_REFUSED_STREAM</code> for some connections.
        (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor synchronization blocks locking on <code>SocketWrapper</code> to
        use <code>ReentrantLock</code> to support users wishing to experiment
        with project Loom. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.88_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66536">66536</a>: Fix parsing of tag files that meant that tag
        directives could be ignored for some tag files. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.88_(schultz)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66535">66535</a>: Redefine the <code>maxValidTime</code> attribute of
        <code>FarmWarDeployer</code> to be the maximum time allowed between
        receiving parts of a transferred file before the transfer is cancelled
        and the associated resources cleaned-up. A new warning message will be
        logged if the file transfer is cancelled. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.88_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66508">66508</a>: When using WebSocket with NIO2, avoid waiting for
        a timeout before sending the close frame if an I/O error occurs during a
        write. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.88_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Contributed by Shirayuking and
        tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Contributed by totoo. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor code using <code>MD5Encoder</code> to use
        <code>HexUtils.toHexString()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66507">66507</a>: Fix a bug that <code>$JAVA_OPTS</code> is not passed
        to the jvm in <code>catalina.sh</code> when calling <code>version</code>.
        Patch suggested by Eric Hamilton. (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the error messages if <code>JRE_HOME</code> or
        <code>JAVA_HOME</code> are not set correctly. On windows, align the
        handling of <code>JRE_HOME</code> and <code>JAVA_HOME</code> for the
        start-up scripts and the service install script. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update UnboundID to 6.0.8. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.9.3. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Jacoco to 0.8.9. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enhance PEMFile to load from an InputStream. Patch provided by
        Romain Manni-Bucau. (schultz)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.87_(schultz)"><span id="Tomcat_8.5.87_(schultz)_rtext" style="float: right;">2023-03-03</span> Tomcat 8.5.87 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.87_(schultz)/General">General</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a bug that memory allocation is larger than limit in
        <code>SynchronizedStack</code> to reduce memory footprint. (lihan)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.87_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add support for <code>txt:</code> and <code>rnd:</code> rewrite map
        types from mod_rewrite. Based on a pull request <a href="https://github.com/apache/tomcat/pull/591">#591</a>
        provided by Dimitrios Soumis. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Provide a more appropriate response (501 rather than 400) when rejecting
        an HTTP request using the CONNECT method. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66488">66488</a>: Correct a regression introduced in the fix for bug
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66196">66196</a> that meant that the HTTP headers and/or request line
        could get corrupted (one part overwriting another part) within a single
        request. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.87_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a check for the validity of the scheme pseudo-header in HTTP/2.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66482">66482</a>: Restore inline state after async operation in NIO2,
        to account the fact that unexpected exceptions are sometimes thrown
        by the implementation. Patch submitted by zhougang. (remm)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.86_(schultz)"><span id="Tomcat_8.5.86_(schultz)_rtext" style="float: right;">2023-02-24</span> Tomcat 8.5.86 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.86_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Allow a Valve to access cookies from a request that cannot be mapped to
        a Context. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor uses of <code>String.replaceAll()</code> to use
        <code>String.replace()</code> where regular expressions where not being
        used. Pull request <a href="https://github.com/apache/tomcat/pull/581">#581</a> provided by Andrei Briukhov. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add error report valve that allows redirecting to of proxying from an
        external web server. Based on code and ideas from pull request
        <a href="https://github.com/apache/tomcat/pull/506">#506</a> provided by Max Fortun. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66470">66470</a>: Add the Shared Address Space defined by RFC 6598
        (100.64.0.0/10) to the regular expression used to identify internal
        proxies for the <code>RemoteIpFilter</code> and
        <code>RemoteIpValve</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66471">66471</a>: Fix JSessionId secure attribute missing When
        <code>RemoteIpFilter</code> determines that this request was submitted
        via a secure channel. (lihan)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.86_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Log basic information for each configured TLS certificate when Tomcat
        starts. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66442">66442</a>: When an HTTP/2 response must not include a body,
        ensure that the end of stream flag is set on the headers frame and that
        no data frame is sent. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66455">66455</a>: Fix the cause of a potential
        <code>ClassCastException</code> when processing a
        <code>WINDOW_UPDATE</code> frame on an HTTP/2 connection where the flow
        control window for the overall connection has been exhausted. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Provided dedicated loggers
        (<code>org.apache.tomcat.util.net.NioEndpoint.certificate</code> /
        <code>org.apache.tomcat.util.net.Nio2Endpoint.certificate</code> /
        <code>org.apache.tomcat.util.net.AprEndpoint.certificate</code>) for
        logging of configured TLS certificates. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.86_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66419">66419</a>: Fix calls from expression language to a method that
        accepts varargs when only one argument was passed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66441">66441</a>: Make imports of static fields in JSPs visible to any
        EL expressions used on the page. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.86_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66429">66429</a>: Documentation. Limit access to the documentation web
        application to localhost by default. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66429">66429</a>: Examples. Limit access to the examples web application
        to localhost by default. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.86_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Apache Tomcat Native Library to
        1.2.36 to pick up the Windows binaries built with with OpenSSL 1.1.1t.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.85_(schultz)"><span id="Tomcat_8.5.85_(schultz)_rtext" style="float: right;">2023-01-19</span> Tomcat 8.5.85 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.85_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the behavior of the credential handler attribute that is set in
        the Servlet context so that it actually reflects what is used during
        authentication. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66359">66359</a>: Update javadoc for RemoteIpValve and RemoteIpFilter with
        correct <code>protocolHeader</code> default value of "X-Forwarded-Proto".
        (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66388">66388</a>: Correct a regression in the refactoring that replaced
        the use of the <code>URL</code> constructors. The regression broke
        lookups for resources that contained one or more characters in their
        name that required escaping when used in a URI path. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66392">66392</a>: Change the default value of <code>AccessLogValve</code>'s
        file encoding to UTF-8 and update documentation. (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66393">66393</a>: Align <code>ExtendedAccessLogValve</code>'s x-P(XXX) with the
        documentation. (lihan)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.85_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When an HTTP/2 stream was reset, the current active stream count was not
        reduced. If enough resets occurred on a connection, the current active
        stream count limit was reached and no new streams could be created on
        that connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66196">66196</a>: Align HTTP/1.1 with HTTP/2 and throw an exception when
        attempting to commit a response with an header value that includes one
        or more characters with a code point above 255. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66388">66388</a>: Correct a regression in the refactoring that replaced
        the use of the <code>URL</code> constructors. The regression broke
        lookups for resources that contained one or more characters in their
        name that required escaping when used in a URI path. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.85_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66370">66370</a>: Change the default of the
        <code>org.apache.el.GET_CLASSLOADER_USE_PRIVILEGED</code> system
        property to <code>true</code> unless the EL library is running on Tomcat
        in which case the default remains <code>false</code> as the EL library
        is already called from within a privileged block and skipping the
        unnecessary privileged block improves performance. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 21 (with the value <code>21</code>) as
        the compiler source and/or compiler target for JSP compilation. If used
        with an Eclipse JDT compiler version that does not support these values,
        a warning will be logged and the default will used.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.85_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66348">66348</a>: Update the JARs listed in the class loader
        documentation and note which ones are optional. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Documentation. Replace references in the application developer's guide
        to CVS with more general references to a source code control system.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.85_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor code base to replace use of URL constructors. While they are
        deprecated in Java 20 onwards, the reasons for deprecation are valid for
        all versions so move away from them now. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Commons Daemon 1.3.3. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Contributed by Shirayuking and
        tak7iji. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons FileUpload to 34eb241
        (2023-01-03, 2.0-SNAPSHOT). (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons BCEL to 2ee2bff (2023-01-03,
        6.7.1-SNAPSHOT). (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons Codec to 3eafd6c (2023-01-03,
        1.16-SNAPSHOT). (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Contributed by Shirayuking.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Portuguese translations. Contributed by Guilherme
        Cust&oacute;dio. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.6.0. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Unboundid to 6.0.7. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update SpotBugs to 4.7.3. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.84_(schultz)"><span id="Tomcat_8.5.84_(schultz)_rtext" style="float: right;">2022-11-21</span> Tomcat 8.5.84 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.84_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66330">66330</a>: Correct a regression introduced when fixing
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62897">62897</a> that meant any value configured for
        <code>skipMemoryLeakChecksOnJvmShutdown</code> on the
        <code>Context</code> was ignored and the default was always used.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66331">66331</a>: Fix a regression in refactoring for <code>Stack</code>
        on the <code>SystemLogHandler</code> which caught incorrect exception.
        (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66338">66338</a>: Fix a regression that caused a nuance in refactoring
        for <code>ErrorReportValve</code>. (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Escape values used to construct output for the
        <code>JsonErrorReportValve</code> to ensure that it always outputs valid
        JSON. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.84_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the date format used with the expires attribute of HTTP cookies.
        A single space rather than a single dash should be used to separate the
        day, month and year components to be compliant with RFC 6265. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Include the name of the current stream state in the error message when a
        stream is cancelled due to an attempt to write to the stream when it is
        in a state that does not permit writes. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        NIO writes never return -1 so refactor <code>CLOSED_NIO_CHANNEL</code>
        not to do so and remove checks for this return value. Based on
        <a href="https://github.com/apache/tomcat/pull/562">#562</a> by tianshuang. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove unnecessary code that exposed the <code>asyncTimeout</code> to
        components that never used it. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.84_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66294">66294</a>: Make the use of a privileged block to obtain the
        thread context class loader added to address <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62080">62080</a> optional
        and disabled by default. This is now controlled by the
        <code>org.apache.el.GET_CLASSLOADER_USE_PRIVILEGED</code> system
        property. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66325">66325</a>: Fix concurrency issue in evaluation of expression
        language containing lambda expressions. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.84_(schultz)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66346">66346</a>: Ensure all JDBC pool JARs are reproducible. Pull
        request <a href="https://github.com/apache/tomcat/pull/566">#566</a> provided by John Neffenger. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.84_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Commons Daemon 1.3.2. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Contributed by DigitalCat and
        lihan. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. Contributed by Mathieu Bouchard.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Contributed by Shirayuking.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.83_(markt)"><span id="Tomcat_8.5.83_(markt)_rtext" style="float: right;">2022-10-11</span> Tomcat 8.5.83 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.83_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66183">66183</a>: When logging cookie values in an access log valve and
        there are multiple cookies with the same name, log all cookie values
        rather than just the first. Based on pull request <a href="https://github.com/apache/tomcat/pull/541">#541</a> by Han
        Li. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66184">66184</a>: Ensure that JULI root loggers have a default level of
        <code>INFO</code>. Pull request <a href="https://github.com/apache/tomcat/pull/533">#533</a> provided by Piotr P.
        Karwasz. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of stack overflow errors when parsing SSI expressions.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66120">66120</a>: Enable FORM authentication to work correctly if
        session persistence and restoration occurs during the authentication
        process. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66233">66233</a>: Include an error message when sending a 400 response
        because a request has too many cookies. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When web application deployment fails due to JARs with duplicate
        fragment names, improve the error message by listing the JARs that
        contain the duplicates. Based on pull request <a href="https://github.com/apache/tomcat/pull/535">#535</a> by Mads
        Rolsdorph. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Replace logging thread for JULI's <code>AsyncFileHandler</code> with an
        executor to protect against failure of the logging thread. Based on pull
        request <a href="https://github.com/apache/tomcat/pull/545">#545</a> by Piotr P. Karwasz. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add <code>JsonErrorReportValve</code> that extends the
        <code>ErrorReportValve</code> that returns  response as JSON instead of
        HTML. Back-porting kfujino's implementation. (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the <code>RewriteValve</code> to perform pattern matching using
        dotall mode to avoid unexpected behaviour if the URL includes encoded
        line terminators. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.83_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make parsing of invalid filename directives in
        <code>Content-Disposition</code> headers more robust. Invalid filename
        directives will now be ignored rather than triggering a 500 response.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66194">66194</a>: Log HTTP/2 stream closures (usually caused by client
        errors) via a <code>UserDataHelper</code> to broadly align it with the
        behaviour of HTTP/1.1 for parsing issues and exceeding limits. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66236">66236</a>: Implement support for the special values zero and
        minus one when configuring <code>maxSavePostSize</code> for a Connector
        when used in conjunction with TLS renegotiation. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66240">66240</a>: Avoid int overflow when parsing octets by limiting
        the maximum value to 255. Based on a PR <a href="https://github.com/apache/tomcat/pull/548">#548</a> by Stefan Mayr.
        (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/550">#550</a>: Correctly handle case where a Servlet responds to a
        request with an expectation with a 2xx response without reading the
        request body. Pull request provided by Malay Shah. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/551">#551</a>: Avoid potential IndexOutOfBoundsException by fixing
        incorrect check when matching HTTP/2 preface. Submitted by 刘文章.
        (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66276">66276</a>: Fix incorrect class cast when adding
        a descendant of HTTP/2 streams. (lihan)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66281">66281</a>: Fix unexpected timeouts that may appear as client
        disconnections when using HTTP/2 and NIO2. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enforce the requirement of RFC 7230 onwards that a request with a
        malformed <code>content-length</code> header should always be rejected
        with a 400 response. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.83_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of stack overflow errors when parsing EL expressions.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct parsing of integer and floating point literals in EL expressions
        so that larger values are correctly parsed to <code>BigInteger</code>
        and <code>BigDecimal</code> respectively. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66203">66203</a>: Log an error message when the JSP compiler is unable
        to create the output directory for the generated code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the performance of the <code>ImportHandler</code> in the
        Expression Language implementation. This removes a previous optimisation
        that is now detrimental rather than helpful. Pull request <a href="https://github.com/apache/tomcat/pull/547">#547</a>
        provided by rmannibucau. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of EL error messages so instances of Number are not
        formatted in unexpected ways. (markt/kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Switch to using ELException rather than IllegalArgumentException when a
        type conversion fails during an EL arithmetic operation. This is an EL
        error so ELException seems more appropriate. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a bug in <code>MethodExpression</code> handling that triggered an
        error when invoking a static method on an instance of the class rather
        than directly on the class. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use <code>BigInteger.remainder()</code> rather than
        <code>BigInteger.mod()</code> when performing the modulus operation for
        instances of <code>BigInteger</code> as part of an EL expression.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66277">66277</a>: Fix regressions in refactoring from <code>Stack</code>
        <code>ArrayDeque</code>.
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 20 (with the value <code>20</code>) as
        the compiler source and/or compiler target for JSP compilation. If used
        with an Eclipse JDT compiler version that does not support these values,
        a warning will be logged and the default will used.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.83_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        To aid future additions of new functionality, rather than throw an
        <code>IllegalArgumentException</code> if a <code>DeltaRequest</code> is
        passed an unrecognised action type, a warning message will now be
        logged. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66120">66120</a>: Enable FORM authentication to work correctly if
        session failover occurs during the authentication process. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.83_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62312">62312</a>: Add support for authenticating WebSocket clients with
        an HTTP forward proxy when establishing a connection to a WebSocket
        endpoint via a forward proxy that requires authentication. Based on a
        patch provided by Joe Mokos. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.83_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Documentation. Document the <code>nonceRequestParameterName</code>
        attribute for the <code>CsrfPreventionFilter</code>. Based on
        <a href="https://github.com/apache/tomcat/pull/553">#553</a> by Mert &Uuml;lkg&uuml;n. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.83_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that zip archives use UTC for file modification times to ensure
        repeatable builds across time zones. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. (lihan)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Czech translations. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to German translations. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Contributed by tak7iji and
        Shirayuking. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. Contributed by 수현. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Russian translations. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Spanish translations. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Further automation to the build process to reduce the number of manual
        steps that release managers must perform. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Objenesis to 3.2. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update UnboundID to 6.0.6. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update Checkstyle to 10.3.4. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update JaCoCo to 0.8.8. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update SpotBugs to 4.7.2. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update JSign to 4.2. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.82_(schultz)"><span id="Tomcat_8.5.82_(schultz)_rtext" style="float: right;">2022-08-13</span> Tomcat 8.5.82 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.82_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct handling of HTTP TRACE requests where there are multiple
        instances of an HTTP header with the same name. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement the clarification in RFC 9110 that the units in HTTP range
        specifiers are case insensitive. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Properly-escape role and group information when writing
        MemoryUserDatabase to an XML file. (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Move control of XML-export logic from individual support classes into
        MemoryUserDatabase.save(). Deprecate and discontinue use of MemoryUser,
        MemoryRole, and MemoryGroup classes. (schultz)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.82_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Provide dedicated loggers
        (<code>org.apache.tomcat.util.net.NioEndpoint.handshake</code> /
        <code>org.apache.tomcat.util.net.Nio2Endpoint.handshake</code>) for TLS
        handshake failures. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Enable the use of the FIPS provider for TLS enabled Connectors when
        using Tomcat Native 1.2.34 onwards built with OpenSSL 3.0.x onwards.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Address an edge case in HTTP header parsing that allowed CRCRLF to be
        used as a valid line terminator. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure HTTP/2 requests that include connection specific headers are
        rejected. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When processing HTTP/2 requests, allow a <code>host</code> header to be
        used in place of an <code>:authority</code> header. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When processing HTTP/2 requests, allow a <code>host</code> header and an
        <code>:authority</code> header to  be present providing they are
        consistent. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When processing HTTP/2 requests, reject requests containing multiple
        <code>host</code> headers. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.82_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Documentation. <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62245">62245</a>: Include <code>contextXsltFile</code>
        when discussing options for configuring directory listings. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Examples. Fix CVE-2022-34305, a low severity XSS vulnerability in the
        Form authentication example. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.82_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        The minimum Ant version required to perform a release build for Tomcat
        8.5.x is now 1.10.2. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add additional automation to the build process to reduce the number of
        manual steps that release managers must perform. (schultz)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Implement support for reproducible builds. Reproducible builds are
        independent of operating system but require the same Ant version and
        same JDK (vendor and version) to be used as associated version
        information is embedded in a number of build outputs such as JAR file
        manifests. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.34 to
        improve the support for building with OpenSSL 3.0.x.(markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations contributed by tak7iji. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.35 to
        pick up Windows binaries built with OpenSSL 1.1.1q.(markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.81_(schultz)"><span id="Tomcat_8.5.81_(schultz)_rtext" style="float: right;">2022-06-11</span> Tomcat 8.5.81 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.81_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the 8.5.80 (not released) that broken or
        unexpectedly modified some TLS configurations when running on a Java 8
        JDK. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66134">66134</a>: The NSIS based Tomcat installer for Windows now
        correctly handles the combination of <code>TomcatAdminRoles</code>
        defined in a configuration file and selecting the Manager and/or
        Host Manager web applications in the installer's GUI. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.80_(schultz)"><span id="Tomcat_8.5.80_(schultz)_rtext" style="float: right;">not released</span> Tomcat 8.5.80 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.80_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the memory leak protection code to support stopping application
        created executor threads when running on Java 19 and later. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the error message if a required <code>--add-opens</code> option
        is missing. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Disable the memory leak correction code enabled by the Context attribute
        <code>clearReferencesObjectStreamClassCaches</code> when running on a
        JRE that includes a fix for the underlying memory leak. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66068">66068</a>: Ensure that the changes made to a request by the
        <code>RemoteIPValve</code> persist after the request is put into
        asynchronous mode. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Include the major version in the recommended version used for Tomcat
        Native with the <code>AprLifecycleListener</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66104">66104</a>: Avoid error message by not trying to clean up old
        files from the logging directory before the directory has been created.
        Based on <a href="https://github.com/apache/tomcat/pull/521">#521</a> by HanLi. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.80_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Additional fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65118">65118</a>. Fix a potential
        <code>NullPointerException</code> when pruning closed HTTP/2 streams
        from the connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66076">66076</a>: When using TLS with non-blocking writes and the NIO
        connector, ensure that flushing the buffers attempts to empty all of the
        output buffers. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66084">66084</a>: Correctly calculate bytes written to a response. Pull
        request <a href="https://github.com/apache/tomcat/pull/516">#516</a> provided by aooohan HanLi. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Correct a regression in the support added for encrypted PKCS#1 formatted
        private keys in the previous release that broke support for unencrypted
        PKCS#1 formatted private keys. (jfclere/markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove support for NPN when using the Tomcat Native Connector as NPN was
        never standardised and browser support for NPN was removed several years
        ago. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.80_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update <code>ImportHandler</code> optimisation for new classes
        introduced in Java 19. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 19 (with the value <code>19</code>) as
        the compiler source and/or compiler target for JSP compilation. If used
        with an Eclipse JDT compiler version that does not support these values,
        a warning will be logged and the default will used.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.80_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66064">66064</a>: Update the building page in the documentation web
        application to reflect changes in required Java version and source
        repository. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Documentation. Make the description of the HTTP/1.1 configuration
        attributes that control the maximum allowed HTTP header size more
        specific. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.80_(schultz)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Increase the default buffer size for replication messages from 43800 to
        65536 bytes. This is expected to improve performance for large messages
        when running on Linux based systems. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.80_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations contributed by Shirayuking and
        tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations contributed by Dingzi2012. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.79_(schultz)"><span id="Tomcat_8.5.79_(schultz)_rtext" style="float: right;">2022-05-23</span> Tomcat 8.5.79 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.79_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65736">65736</a>: Disable the <code>forceString</code> option for the
        JNDI <code>BeanFactory</code> and replace it with an automatic search
        for an alternative setter with the same name that accepts a
        <code>String</code>. This is a security hardening measure. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65853">65853</a>: Refactor the <code>CsrfPreventionFilter</code> to make
        it easier for sub-classes to modify the nonce generation and storage.
        Based on suggestions by Marvin Fr&ouml;hlich. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65991">65991</a>: Avoid NPE with <code>SSLAuthenticator</code> when
        <code>boundOnInit</code> is used on a connector, during the check
        for client certificate authentication availability. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66009">66009</a>: Use <code>getSubjectX500Principal().toString()</code>
        rather than <code>getSubjectX500Principal().getName(...)</code> to
        retrieve a certificate DN, to match the output of the deprecated
        <code>getSubjectDN().getName()</code> that was used previously. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Revert the change in 8.5.76 that added a mapping of
        <code>Shift_JIS</code> for the <code>ja</code> locale to the default
        mappings used by <code>ServletResponse.setLocale()</code> as it
        caused regressions for applications using UTF-8. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Provide a property source that sources values from Kubernetes service
        bindings. Pull request <a href="https://github.com/apache/tomcat/pull/512">#512</a> provided by Sumit Kulhadia and
        Gareth Evans. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.79_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://github.com/apache/tomcat/pull/501">#501</a>: Add new <code>maxHttpRequestHeaderSize</code> and
        <code>maxHttpResponseHeaderSize</code> attributes which allow setting
        the maximum HTTP header sizes independently. If not specified, the
        value of the <code>maxHttpHeaderSize</code> connector attribute will
        be used. Submitted by Zhongming Hua. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        The root cause of the Linux kernel duplicate accept bug has been
        identified along with the version of the kernel that includes the fix.
        The error message displayed when this bug occurs has been updated to
        reflect this new information and to advise users to update to a version
        of the OS that uses kernel 5.10 or later. Thanks to Christopher Gual for
        the research into this issue. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66023">66023</a>: Improve the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65726">65726</a> and support HTTP
        upgrade with a request body for a wider set of use cases. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for encrypted PKCS#1 formatted private keys when configuring
        the internal, in memory key store. Based on <a href="https://github.com/apache/tomcat/pull/511">#511</a>.
        (jfclere/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove the <code>prestartminSpareThreads</code> attribute of the
        <code>StandardThreadExecutor</code> since all core threads are always
        started by default making this attribute meaningless. Pull request
        <a href="https://github.com/apache/tomcat/pull/510">#510</a> provided by Aooohan. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.79_(schultz)/Webapps">Webapps</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66008">66008</a>: In the documentation web application, remove the
        recommendation for the use the <code>trimSpaces</code> option for Jasper
        in production environments. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the documentation web application to state that the
        <code>EncryptInterceptor</code> does not provide sufficient protection
        to run Tomcat clustering over an untrusted network. This is
        CVE-2022-29885. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.79_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to German translations contributed by Thomas Hoffmann.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations contributed by Shirayuking.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Commons Daemon 1.3.1. This fixes a known regression in 1.3.0
        when configuring the Windows service with custom scripts as described in
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=66055">66055</a>. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to JSign 4.1. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.33 to
        pick up Windows binaries built with OpenSSL 1.1.1o.(markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.78_(markt)"><span id="Tomcat_8.5.78_(markt)_rtext" style="float: right;">2022-04-01</span> Tomcat 8.5.78 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.78_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=41007">41007</a>: Add the ability to specify static HTML responses for
        specific error codes and/or exception types with the
        <code>ErrorReportValve</code>. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Harden the CredentialHandler implementations by switching to a
        constant-time implementation for credential comparisons. (schultz/markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
         Effectively disable the
         <code>WebappClassLoaderBase.getResources()</code> method as it is not
         used and if something accidentally exposes the class loader this method
         can be used to gain access to Tomcat internals. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.78_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/487">#487</a>: Improve logging of unknown settings frames. Pull request
        by Thomas Hoffmann. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65975">65975</a>: Add a warning if a TLS virtual host is configured with
        optional certificate authentication and the containing connector is also
        configured to support HTTP/2 as HTTP/2 does not permit optional
        certificate authentication. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65975">65975</a>: Add a warning if a TLS virtual host is configured for
        TLS 1.3 with a JSSE implementation and a web application is configured
        for <code>CLIENT-CERT</code> authentication. <code>CLIENT-CERT</code>
        authentication requires post-handshake authentication (PHA) when used
        with TLS 1.3 but the JSSE TLS 1.3 implementation does not support PHA.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the recycling of Processor objects to make it more robust.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.78_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65959">65959</a>: Serialize Function as String[] rather Class[]. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.78_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65952">65952</a>: Align <code>--add-opens</code> configuration for jsvc
        with the current Tomcat scripts. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the AJP and HTTP/1.1 Connector configuration pages in the
        documentation web application to show which attributes are applicable to
        all Connectors and which are implementation specific. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.78_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Commons Daemon 1.3.0. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Checkstyle 10.0. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to SpotBugs 4.6.0. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the <code>spotbugs</code> Ant task to also cover test code.
        (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the resource files for the Apache Tomcat installer for Windows
        so that all the resource files are located in a single directory in the
        source tree. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.32 to
        pick up Windows binaries built with OpenSSL 1.1.1n.(markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations contributed by 15625988003. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations contributed by tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand coverage of translations for <code>jakarta.el</code> package.
        Based on <a href="https://github.com/apache/tomcat/pull/488">#488</a> from Volodymyr Siedlecki. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.77_(schultz)"><span id="Tomcat_8.5.77_(schultz)_rtext" style="float: right;">2022-03-17</span> Tomcat 8.5.77 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.77_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65921">65921</a>: The <code>type</code> substitution flag for the
        rewrite valve should set the content type for the response, not the
        request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/479">#479</a>: Enable the rewrite valve to redirect requests when the
        original request cannot be mapped to a context. This typically happens
        when no ROOT context is defined. Pull request by elkman. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65940">65940</a>: Fix <code>NullPointerException</code> if an exception
        occurs during the destruction of a Servlet. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.77_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix regression introduced with <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65757">65757</a> bugfix which better
        identified non request threads but which introduced a similar problem
        when user code was doing sequential operations in a single thread.
        Test case code submitted by Istvan Szekely. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix potential thread-safety issue that could cause HTTP/1.1 request
        processing to wait, and potentially timeout, waiting for additional
        data when the full request has been received. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Throw <code>IOException</code> rather than
        <code>IllegalStateException</code> when the application attempts to
        write to an HTTP/2 stream after the client has closed the stream.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.77_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When resolving methods in EL expressions that use beans and/or static
        fields, ensure that any custom type conversion is considered when
        identifying the method to call. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.77_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a spelling mistake in the German translations. Thanks to Thomas
        Hoffmann. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.76_(schultz)"><span id="Tomcat_8.5.76_(schultz)_rtext" style="float: right;">2022-02-28</span> Tomcat 8.5.76 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.76_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61171">61171</a>: Add the <code>portOffset</code> attribute to the
        <code>Server</code> element which is added to the configured shutdown
        and <code>Connector</code> ports. Based on a patch by Marek Czernek.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64080">64080</a>: Enhance the graceful shutdown feature. Includes a new
        option for <code>StandardService</code>,
        <code>gracefulStopAwaitMillis</code>, that allows a time to be
        specified to wait for client connections to complete and close before
        the Container hierarchy is stopped. (markt/remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add <code>ha-api-*.jar</code> and <code>jaxws-rt-*.jar</code> to the
        list of JARs to skip when scanning for TLDs, web fragments and
        annotations. (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the default mappings used by
        <code>ServletResponse.setLocale()</code> to include a mapping from the
        <code>ja</code> locale to the <code>Shift_JIS</code> encoding. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65806">65806</a>: Improve the handling of session ID generation when the
        default algorithm for <code>SecureRandom</code> (<code>SHA1PRNG</code>)
        is not supported by the configured providers as will be the case for a
        FIPS compliant configuration. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/464">#464</a>: Fall back to the class loader used to load JULI when the
        thread context class loader is not set. In a normal Tomcat
        configuration, this will be the system class loader. Based on a pull
        request by jackshirazi. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/469">#469</a>: Include the Java Annotations API in the classes that
        Tomcat will not load from web applications. Pull request provided by
        ppkarwasz. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential <code>StringIndexOutOfBoundsException</code> exception
        when generating a WebDAV multi-status response after an error during a
        copy or delete. Report the paths relative to the server root for any
        resources with an error. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the format of WebDAV XML responses to make them easier for
        humans to read. The change ensures that there is always a line break
        before starting a new element. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve validation of the <code>Destination</code> header for WebDAV
        <code>MOVE</code> and <code>COPY</code> requests. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.76_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65408">65408</a>: Backport the socket close refactoring - along with
        supporting changes - that ensures that a socket is only closed once.
        Pooled objects associated with the socket are now replaced with dummy
        instances to protect against applications that attempt to continue to
        use the socket after it has been closed. (markt/remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65454">65454</a> that meant that
        <code>minSpareThreads</code> and <code>maxThreads</code> settings were
        ignored when the Connector used an internal executor. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65776">65776</a>: Improve the detection of the Linux duplicate accept
        bug and reduce (hopefully avoid) instances of false positives. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65848">65848</a>: Revert the change that attempted to align the
        behaviour of client certificate authentication with NIO or NIO2 with
        OpenSSL for TLS between MacOS and Linux/Windows as the root cause was
        traced to configuration differences. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/467">#467</a>: When system time moves backwards (e.g. after clock
        correction), ensure that the cached formatted current date used for
        HTTP headers tracks this change. Pull request provided by zhenguoli.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove <code>pollerThreadCount</code> Connector attribute for NIO.
        One poller thread is sufficient. (remm/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid creating and using object caches when they are disabled.
        (remm/markt)
      </li>
  </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.76_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/474">#474</a>: Prevent a tag file from corrupting the ELContext of the
        calling page. Pull request provided by Dmitri Blinov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Minor optimisation of serialization for <code>FunctionMapperImpl</code>
        in response to pull request <a href="https://github.com/apache/tomcat/pull/476">#476</a>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.76_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove the applet example from the example web application as applets
        are no longer supported in any major browser. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor a small number of pages in the examples web application to
        avoid an issue with reproducible builds due to differences in file
        ordering across different operating systems with Ant's zip task. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Better documentation for the <code>protocol</code> attribute of the
        <code>JNDIRealm</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Clarify the some custer settings described in the documentation web
        application. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add information on the <code>OpenSSLConf</code> and
        <code>OpenSSLConfCmd</code> elements to the HTTP SSL configuration page
        in the documentation web applications. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.76_(schultz)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Use LF line endings for text files in JARs to support reproducible
        builds across different operating systems. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.76_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Switch to building with Java 11 and using <code>--release</code> to
        target Java 8. Once back-ported to all currently supported branches,
        this will reduce the number of Java versions developers need to juggle.
        (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Use LF line endings for text files in JARs to support reproducible
        builds across different operating systems. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix dependencies for individual test targets in Ant build file. Based on
        <a href="https://github.com/apache/tomcat/pull/468">#468</a> provided by Totoo chenyonghui. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.75_(schultz)"><span id="Tomcat_8.5.75_(schultz)_rtext" style="float: right;">2022-01-17</span> Tomcat 8.5.75 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.75_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65785">65785</a> that broke HTTP/2
        server push. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.74_(schultz)"><span id="Tomcat_8.5.74_(schultz)_rtext" style="float: right;">not released</span> Tomcat 8.5.74 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.74_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make SPNEGO authentication more robust for the case where the provided
        credential has expired. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65684">65684</a>: Fix a potential <code>NullPointerException</code> when
        using JULI. (markt)
      </li>
      <li><img alt="Docs: " class="icon" src="./images/docs.gif">
        Document conditions under which the <code>AprLifecycleListener</code>
        can be used to avoid JVM crashes. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the <code>AsyncFileHandler</code> to reduce the possibility of
        log messages being lost on shutdown. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Refactor the <code>AsyncFileHandler</code> to remove the need for the
        <code>org.apache.juli.AsyncLoggerPollInterval</code>. If set, this
        property now has no effect. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add debug logging to the <code>RestCsrfPreventionFilter</code>. Based on
        pull request <a href="https://github.com/apache/tomcat/pull/452">#452</a> by Polina Georgieva. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65710">65710</a>: Implement a workaround for a JVM bug that can trigger
        a file descriptor leak when using multi-part upload and the application
        does not explicitly close an input stream for an uploaded file that was
        cached on disk. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add recycling check in the input and output stream isReady to try to
        give a more informative ISE when the facade has been recycled. (remm)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove the deprecated <code>JmxRemoteLifecycleListener</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make the calculation of the session storage location more robust when
        using file based persistent storage. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.74_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential JVM crash when using the APR/Native connector with TLS.
        A crash could occur if the connector was stopped whilst a connection was
        performing a TLS handshake. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Provide protection against a known <a href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924298">OS
        bug</a> that causes the acceptor to report an incoming connection more
        than once. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65677">65677</a>: Improve exception handling for errors during HTTP/1.1
        reads with NIO2. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor APR/native connector shutdown to remove a potential source of
        JVM crashes on shutdown when sendfile is used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When an error occurs that triggers a stream reset, ensure that the first
        <code>RST</code> frame sent to the client is the one associated with the
        error that triggered the reset. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65714">65714</a>: Fix exceptions when the security manager is enabled
        and the first request received after starting is an HTTP request to a
        TLS enabled NIO2 connector. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Ensure that using NIO or NIO2 with OpenSSL for TLS behaves the same way
        on MacOS as it does on Linux and Windows when no trusted certificate
        authorities are configured and reject all client certificates. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65726">65726</a>: Implement support for HTTP/1.1 upgrade when the
        request includes a body. The maximum permitted size of the body is
        controlled by <code>maxSavePostSize</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Restore pre-starting of <code>minSpareThreads</code> lost in the fix for
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65454">65454</a>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65757">65757</a>: Missing initial IO listener notification on Servlet
        container dispatch to another container thread. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Expand the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65757">65757</a> so that rather than just checking if
        processing is happening on a container thread, the check is now if
        processing is happening on the container thread currently allocated to
        this request/response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a potential deadlock during the concurrent processing of incoming
        HTTP/2 frames for a stream and that stream being reset. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65767">65767</a>:  Add support for certificates that use keys encrypted
        using PBES2. Based on a pull request provided by xiezhaokun. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor testing whether a String is a valid HTTP token. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65785">65785</a>: Perform additional validation of HTTP headers when
        using HTTP/2. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When a Connector or Endpoint is paused, ensure that only new connections
        and new requests on existing connections are stopped while allowing in
        progress requests to run to completion. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Explicitly release ByteBuffer instances associated with pooled channels
        when stopping the NioEndpoint and Nio2Endpoint. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Narrow the scope of the logging of invalid cookie headers to just the
        invalid cookie rather than the whole cookie header. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.74_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65724">65724</a>: Fix missing messages for some
        <code>PropertyNotWritableException</code>s caused by a typo in the name
        used for a resource string. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 18 (with the value <code>18</code>) as
        the compiler source and/or compiler target for JSP compilation. If used
        with an Eclipse JDT compiler version that does not support these values,
        a warning will be logged and the default will used.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.74_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for POJO WebSocket endpoints to the programmatic upgrade
        that allows applications to opt to upgrade an HTTP connection to
        WebSocket. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65763">65763</a>: Improve handling of WebSocket connection close if a
        message write times out before the message is fully written. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.74_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Switch from Cobertura to JaCoCo for code coverage as Cobertura does not
        support code coverage for code compiled for Java 11 onwards. It also
        removes the need to use a single thread to run the tests. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations contributed by zhnnn. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations contributed by Shirayuking, yoshy
        and tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the NSIS installer to 3.08. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update UnboundID to 6.0.3. (markt)
      </li>
    </ul>
  </div></div></div><h3 id="Tomcat_8.5.73_(schultz)"><span id="Tomcat_8.5.73_(schultz)_rtext" style="float: right;">2021-11-17</span> Tomcat 8.5.73 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.73_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve robustness of JNDIRealm for exceptions occurring when getting
        the connection. Also add missing close when running into issues
        getting the passord of a user. (remm)
      </li>
      <li><img alt="Docs: " class="icon" src="./images/docs.gif">
        Add Javadoc comment which listeners must be nested within
        <code>Server</code> elements only. (michaelo)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Log warning if a listener is not nested inside a Server element
        although it must have been. (michaelo)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.73_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Improve performance of Connector shutdown - primarily to reduce the time
        it takes to run the test suite. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://github.com/apache/tomcat/pull/457">#457</a>: Add a <code>toString()</code> method to
        <code>MimeHeader</code> to aid debugging. (dblevins)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not ignore the error condition if the APR connector is not able to
        open a server socket as continuing in this case will trigger a JVM crash.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve error handling if APR/Native fails to attach TLS capabilities to
        a TLS enabled client connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve error handling if APR/Native fails to accept an incoming
        connection. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Hard code all connectors to use a single acceptor thread. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.73_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add a new method <code>WsServerContainer.upgradeHttpToWebSocket()</code>
        to align with the new method that will be available from WebSocket 2.1
        onwards. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.72_(schultz)"><span id="Tomcat_8.5.72_(schultz)_rtext" style="float: right;">2021-10-06</span> Tomcat 8.5.72 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.72_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65553">65553</a>: Implement a work-around for a
        <a href="https://bugs.openjdk.java.net/browse/JDK-8273874">JRE bug</a>
        that can trigger a memory leak when using the JNDI realm. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/451">#451</a>: Improve the usefulness of the thread name cache used in
        JULI. Pull request provided by t-gergely. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.72_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Further improvements in the management of the connection flow control
        window. This addresses various bugs that caused streams to incorrectly
        report that they had timed out waiting for an allocation from the
        connection flow control window. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65577">65577</a>: Fix a <code>AccessControlException</code> reporting
        when running an NIO2 connector with TLS enabled. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Reclassify TLS ciphers that use AESCCM8 as medium security rather than
        high security to align with recent changes in OpenSSL. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix an issue that caused some Servlet non-blocking API reads of the HTTP
        request body to incorrectly use blocking IO. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.72_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the implementation of <code>MethodExpression.getMethodInfo()</code>
        so that it returns the expected value rather than failing when the
        method expression is defined with the parameter values in the expression
        rather than the types being passed explicitly to
        <code>ExpressionFactory.createMethodExpression()</code>. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Regenerate the EL parser using JavaCC 7.0.10. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a bug that prevented the EL parser correctly parsing a literal Map
        that used variables rather than literals for both keys and values.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.72_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        The internal upgrade handler should close the associated
        <code>WebConnection</code> on destroy. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.72_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Clarify the JASPIC configuration options in the documentation web
        application. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.72_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65585">65585</a>: Update obsolete comments at the start of the
        <code>build.properties.default</code> file. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.71_(schultz)"><span id="Tomcat_8.5.71_(schultz)_rtext" style="float: right;">2021-09-13</span> Tomcat 8.5.71 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.71_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable Tomcat to start if an (old) XML parser is configured that does
        not support <code>allow-java-encodings</code>. A warning will be logged
        if such an XML parser is detected. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Change the behaviour of custom error pages. If an error occurs after the
        response is committed, once the custom error page content has been added
        to the response the connection is now closed immediately rather than
        closed cleanly. i.e. the last chunk that marks the end of the response
        body is no longer sent. This acts as an additional signal to the client
        that the request experienced an error. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65479">65479</a>: When handling requests using JASPIC authentication,
        ensure that <code>PasswordValidationCallback.getResult()</code> returns
        the result of the password validation rather than always returning
        <code>false</code>. Fixed via pull request <a href="https://github.com/apache/tomcat/pull/438">#438</a> provided by
        Robert Rodewald. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the authenticators to delegate the check for preemptive
        authentication to the individual authenticators where an authentication
        scheme specific check can be performed. Based on pull request
        <a href="https://github.com/apache/tomcat/pull/444">#444</a> by Robert Rodewald. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add <code>derby-*.jar</code> to the list of JARs to skip when scanning
        for TLDs, web fragments and annotations. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.71_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a logic error that meant setting
        <code>certificateKeystoreFile</code> to <code>NONE</code> did not have
        the expected effect. <code>NONE</code> was incorrectly treated as a file
        path. Patch provided by Mikael Sterner. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65505">65505</a>: When an HTTP header value is removed, ensure that the
        order of the remaining header values is unchanged. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65563">65563</a>: Correct parsing of HTTP <code>Content-Range</code>
        headers. Tomcat was incorrectly requiring an <code>=</code> character
        after <code>bytes</code>. Fix based on pull request <a href="https://github.com/apache/tomcat/pull/449">#449</a> by
        Thierry Gu&eacute;rin. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.71_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65506">65506</a>: Fix write timeout check that was using the read
        timeout value. Patch submitted by Gustavo Mahlow. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.71_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove unnecessary Context settings from the examples web application.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Document default value for <code>unpackWARs</code> and related clean-up.
        Pull request <a href="https://github.com/apache/tomcat/pull/439">#439</a> provided by Robert Rodewald. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Clarify the documentation of the <code>compressionMinSize</code> and
        <code>compressibleMimeType</code> HTTP <code>Connector</code>
        attributes. Pull request <a href="https://github.com/apache/tomcat/pull/442">#442</a> provided by crisgeek. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.71_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix failing build when building on non-English locales. Pull request
        <a href="https://github.com/apache/tomcat/pull/441">#441</a> provided by Dachuan J. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to JSign version 4.0 to enable code signing without the need for
        the installation of additional client tools. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons BCEL to 40d5eb4 (2021-09-01,
        6.6.0-SNAPSHOT). Code clean-up only. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons Codec to fd44e6b (2021-09-01,
        1.16-SNAPSHOT). Minor refactoring. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65661">65661</a>: Update the internal fork of Apache Commons FileUpload
        to 33d2d79 (2021-09-01, 2.0-SNAPSHOT). Refactoring and code clean-up. As
        a result of Commons File Upload now using
        <code>java.nio.file.Files</code>, applications using multi-part uploads
        need to ensure that the JVM is configured with sufficient direct memory
        to store all in progress multi-part uploads. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons Pool to 0da5c54
        (2021-02-02, 2.9.1-SNAPSHOT). Refactoring and code clean-up. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons DBCP to c6d5cd9
        (2021-06-05, 2.9.0-SNAPSHOT). Refactoring and code clean-up. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.31 to
        pick up Windows binaries built with OpenSSL 1.1.1l.(markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Switch to the CDN as the primary download location for ASF dependencies.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations contributed by syseal, wolibo,
        ZhangJieWen and DigitalFatCat. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations contributed by tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.70_(markt)"><span id="Tomcat_8.5.70_(markt)_rtext" style="float: right;">2021-08-16</span> Tomcat 8.5.70 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.70_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65411">65411</a>: Always close the connection when an uncaught
        <code>NamingException</code> occurs to avoid connection locking.
        Submitted by Ole Ostergaard. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65433">65433</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65397">65397</a>
        where a <code>StringIndexOutOfBoundsException</code> could be triggered
        if the canonical path of the target of a symlink was shorter than the
        canonical path of the directory in which the symlink had been created.
        Patch provided by Cedomir Igaly. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65443">65443</a>: Refactor the <code>CorsFilter</code> to make it easier
        to extend. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        To avoid unnecessary cache revalidation, do not add an HTTP
        <code>Expires</code> header when setting adding an HTTP header of
        <code>CacheControl: private</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.70_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct bugs in the HTTP/2 connection flow control management that meant
        it was possible for a connection to stall waiting for a connection flow
        control window update that had already arrived. Any streams on that
        connection that were trying to write when this happened would time out.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65454">65454</a>: Fix a race condition that could result in a delay to
        a new request. The new request could be queued to wait for an existing
        request to finish processing rather than the thread pool creating a new
        thread to process the new request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65460">65460</a>: Correct a regression introduced in the previous
        release in the change to reduce the number of small HTTP/2 window
        updates sent for streams. A logic error meant that small window updates
        for the connection were not flushed. This meant that the connection flow
        window may not update quite as quickly as the ideal. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.70_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations contributed by ZhangJieWen and
        chengzheyan. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations contributed by tak7iji. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.69_(schultz)"><span id="Tomcat_8.5.69_(schultz)_rtext" style="float: right;">2021-07-05</span> Tomcat 8.5.69 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.69_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the <code>RemoteIpValve</code> to use the common utility method
        for list to comma separated string conversion. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix serialization warnings in <code>UserDatabasePrincipal</code>
        reported by SpotBugs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65397">65397</a>: Calls to
        <code>ServletContext.getResourcePaths()</code> no longer include
        symbolic links in the results unless <code>allowLinking</code> has been
        set to <code>true</code>. If a resource is skipped because of this
        change, a warning will be logged as this typically indicates a
        configuration issue. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.69_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65368">65368</a>: Improve handling of clean closes of inbound TLS
        connections. Treat them the same way as clean closes of non-TLS
        connections rather than as unknown errors. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Modify the HTTP/2 connector not to sent small updates for stream flow
        control windows to the user agent as, depending on how the user agent is
        written, this may trigger small writes from the user agent that in turn
        trigger the overhead protection. Small updates for stream flow control
        windows are now combined with subsequent flow control window updates for
        that stream to ensure that all stream flow control window updates sent
        from Tomcat are larger than <code>overheadWindowUpdateThreshold</code>.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add additional debug logging to track the current state of the HTTP/2
        overhead count that Tomcat uses to detect and close potentially
        malicious connections. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Many HTTP/2 requests from browsers will trigger one overhead frame and
        one non-overhead frame. Change the overhead calculation so that a
        non-overhead frame reduces the current overhead count by 2 rather than
        1. This means that, over time, the overhead count for a well-behaved
        connection will trend downwards. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Change the initial HTTP/2 overhead count from <code>-10</code> to
        <code>-10 * overheadCountFactor</code>. This means that, regardless of
        the value chosen for <code>overheadCountFactor</code>, when a connection
        opens 10 overhead frames in a row will be required to trigger the
        overhead protection. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Increase the default <code>overheadCountFactor</code> from
        <code>1</code> to <code>10</code> and change the reduction in overhead
        count for a non-overhead frame from <code>-2</code> to <code>-20</code>.
        This allows for a larger range (0-20) to be used for
        <code>overheadCountFactor</code> providing for finer-grained control.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Modify the parsing of HTTP header values that use the
        <code>1#token</code> to ignore empty elements as per RFC 7230 section 7
        instead of treating the presence of empty elements as an error. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Expand the unit tests for <code>HttpServlet.doHead()</code> and correct
        the flushing of the response buffer. The buffer used to behave as if it
        was one byte smaller than the configured size. The buffer was flushed
        (and the response committed if required) when the buffer was full. The
        buffer is now flushed (and the response committed if required) if the
        buffer is full and there is more data to write. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix an issue where concurrent HTTP/2 writes (or concurrent reads) to the
        same connection could hang and eventually timeout when async IO was
        enabled (it is enabled by default). (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.69_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65390">65390</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65124">65124</a>
        and restore code that was removed in error leading to JSP compilation
        failures in some circumstances. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 17 (with the value <code>17</code>) as
        the compiler source and/or compiler target for JSP compilation. If used
        with an Eclipse JDT compiler version that does not support these values,
        a warning will be logged and the latest supported version will used.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65377">65377</a>: Update the Java code generation for JSPs not to use
        the boxed primitive constructors as they have been deprecated in Java 9
        and marked for future removal in Java 16. <code>valueOf()</code> is now
        used instead. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.69_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the <code>DigestAuthenticator</code> to reuse a shared
        <code>SecureRandom</code> instance rather than create a new one to
        generate the <code>cnonce</code> if required. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.69_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65385">65385</a>: Correct the link in the documentation web application
        the Maven Central repository. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65404">65404</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63362">63362</a>
        that caused the server status page in the Manager web application to be
        truncated if HTTP upgrade was used such as when starting a WebSocket
        connection. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.69_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update JUnit to version 4.13.2. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update UnboundID to 6.0.0. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update CheckStyle backport to 8.43 . (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.68_(schultz)"><span id="Tomcat_8.5.68_(schultz)_rtext" style="float: right;">2021-06-15</span> Tomcat 8.5.68 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.68_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to the Java 7 compatible build of JSign 3.1 to pick up a fix for
        SHA-512 signatures. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65369">65369</a> / <a href="https://github.com/apache/tomcat/pull/422">#422</a>: Add the additional
        <code>--add-opens=...</code> options required for running Tomcat on Java
        16 onwards to the <code>service.bat</code> script to align it with the
        other start-up scripts. PR provided by MCMicS. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.67_(schultz)"><span id="Tomcat_8.5.67_(schultz)_rtext" style="float: right;">not released</span> Tomcat 8.5.67 (schultz)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.67_(schultz)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65301">65301</a>: <code>RemoteIpValve</code> will now avoid getting
        the local host name when it is not needed. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65308">65308</a>: NPE in JNDIRealm when no <code>userRoleAttribute</code>
        is given. (fschumacher)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://github.com/apache/tomcat/pull/412">#412</a>: Add commented out, sample users for the Tomcat Manager app
        to the default <code>tomcat-users.xml</code> file. Based on a PR by
        Arnaud Dagnelies. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://github.com/apache/tomcat/pull/418">#418</a>: Add a new option, <code>pass-through</code>, to the
        default servlet's <code>useBomIfPresent</code> initialization parameter
        that causes the default servlet to leave any BOM in place when
        processing a static file and not to use the BOM to determine the
        encoding of the file. Based on a pull request by Jean-Louis Monteiro.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add <code>cookieName</code> attribute to the SSO valve to configure the
        SSO cookie name. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://github.com/apache/tomcat/pull/419">#419</a>: When processing POST requests of type
        <code>multipart/form-data</code> for parts without a filename that are
        added to the parameter map in String form, check the size of the part
        before attempting conversion to String. Pull request provided by
        tianshuang. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62912">62912</a>: Don't mutate an application provided content header if
        it does not contain a charset. Also remove the outdated workaround for
        the buggy Adobe Reader 9 plug-in for IE. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        AprLifecycleListener does not show dev version suffix for libtcnative
        and libapr. (michaelo)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Refactor principal handling in <code>UserDatabaseRealm</code> using
        an inner class that extends <code>GenericPrincipal</code>. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable the default <code>doHead()</code> implementation in
        <code>HttpServlet</code> to correctly handle responses where the content
        length needs to be represented as a long since it is larger than the
        maximum value that can be represented by an int. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid synchronization on roles verification for the memory
        <code>UserDatabase</code>. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the default <code>doHead()</code> implementation in
        <code>HttpServlet</code> to correctly handle responses where the Servlet
        calls <code>ServletResponse.reset()</code> and/or
        <code>ServletResponse.resetBuffer()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the default <code>doHead()</code> implementation in
        <code>HttpServlet</code> to correctly handle responses generated using
        the Servlet non-blocking API. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.67_(schultz)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65303">65303</a>: Fix a possible <code>NullPointerException</code> if
        an error occurs on an HTTP/1.1 connection being upgraded to HTTP/2 or on
        a pushed HTTP/2 stream. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65311">65311</a>: Fix a race condition in the
        <code>NioBlockingSelector</code> that could cause a delay to select
        operations. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Simplify AprEndpoint socket bind for all platforms. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65340">65340</a>: Add missing check for a negative return value for
        <code>Hpack.decodeInteger</code> in the <code>HpackDecoder</code>,
        which could cause a <code>NegativeArraySizeException</code> exception.
        Submitted by Thomas, and verified the fix is present in the donated
        hpack code in a further update. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add debug logging for HTTP/2 HPACK header decoding. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct parsing of HTTP headers consisting of a list of tokens so that a
        header with an empty token is treated consistently regardless of whether
        the empty token is at the start, middle or end of the list of tokens.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove support for the <code>identity</code> transfer encoding. The
        inclusion of this encoding in RFC 2616 was an error that was corrected
        in 2001. Requests using this transfer encoding will now receive a 501
        response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Process transfer encoding headers from both HTTP 1.0 and HTTP 1.1
        clients. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that if the transfer encoding header contains the
        <code>chunked</code>, that the <code>chunked</code> encoding is the
        final encoding listed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.67_(schultz)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Review code used to generate Java source from JSPs and tags and remove
        code found to be unnecessary. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor use of internal <code>ChildInfo</code> class to use compile
        time type checking rather than run time type checking. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65358">65358</a>: Improve expression language method matching for
        methods with varargs. Where multiple methods may match the provided
        parameters, the method that requires the fewest varargs is preferred.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65332">65332</a>: Add a commented out section in
        <code>catalina.policy</code> that provides the necessary permissions to
        compile JSPs with javac when running on Java 9 onwards with a security
        manager. It is commented out as it will cause errors if used with
        earlier Java versions. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.67_(schultz)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65317">65317</a>: When using <code>permessage-deflate</code>, the
        WebSocket connection was incorrectly closed if the uncompressed payload
        size was an exact multiple of 8192. Based on a patch provided by Saksham
        Verma. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65342">65342</a>: Correct a regression introduced with the fix for
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65262">65262</a> that meant Tomcat's WebSocket implementation would only
        work with Tomcat's implementation of the Java EE WebSocket API. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.67_(schultz)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the description of the <code>maxConnections</code> and
        <code>acceptCount</code> attributes in the Connector section of the
        documentation web application. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.67_(schultz)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.30. Also
        update the minimum recommended version to 1.2.30. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Use JSign to integrate the build script with the code signing service to
        enable release builds to be created on Linux as well as Windows. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.66_(markt)"><span id="Tomcat_8.5.66_(markt)_rtext" style="float: right;">2021-05-12</span> Tomcat 8.5.66 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.66_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Expand coverage of unit tests for JNDIRealm using the UnboundID LDAP SDK
        for Java. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65224">65224</a>: Ensure the correct escaping of attribute values and
        search filters in the JNDIRealm. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65235">65235</a>: Add missing attributes to the MBean descriptor file
        for the <code>RemoteIpValve</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65244">65244</a>: HandlesTypes should include classes that use
        the specified annotation types on fields or methods. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65251">65251</a>: Correct a regression introduced in 8.5.64 that meant
        that the auto-deployment process may attempt a second, concurrent
        deployment of a web application that is being deployed by the Manager
        resulting in one of the deployments failing and errors being reported.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the <code>SSLValve</code> so it is able to handle escaped
        client certificate headers from Nginx. Based on a patch by Florent
        Guillaume. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.66_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that all HTTP requests that contain an invalid character in the
        protocol component of the request line are rejected with a 400 response
        rather than some requests being rejected with a 505 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When generating the error message for an HTTP request with an invalid
        request line, ensure that all the available data is included in the
        error message. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65272">65272</a>: Restore the optional HTTP feature that allows
        <code>LF</code> to be treated as a line terminator for the request line
        and/or HTTP headers lines as well as the standard <code>CRLF</code>.
        This behaviour was previously removed as a side-effect of the fix for
        CVE-2020-1935. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.66_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Review code used to generate Java source from JSPs and tags and remove
        code found to be unnecessary. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <code>&lt;servlet&gt;</code> entries in web.xml that include a
        <code>&lt;jsp-file&gt;</code> element and a negative
        <code>&lt;load-no-startup&gt;</code> element that is not the default
        value of <code>-1</code> will no longer be loaded at start-up. This
        makes it possible to define a <code>&lt;jsp-file&gt;</code> that will
        not be loaded at start-up. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Allow the JSP configuration option
        <code>useInstanceManagerForTags</code> to be used with Tags that are
        implemented as inner classes. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.66_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the way Tomcat passes path parameters to POJO end points to
        simplify the code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65262">65262</a>: Refactor the creation of WebSocket end point, decoder
        and encoder instances to be more IoC friendly. Instances are now created
        via the <code>InstanceManager</code> where possible. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.66_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65235">65235</a>: Correct name of <code>changeLocalName</code> in the
        documentation for the <code>RemoteIpValve</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65265">65265</a>: Avoid getting the boot classpath when it is not
        available in the Manager diagnostics. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.66_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.28.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Move <code>SystemPropertySource</code> to be a regular class to allow
        more precise configuration if needed. The system property source will
        still always be enabled. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Provided by bytesgo. (mark)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.65_(markt)"><span id="Tomcat_8.5.65_(markt)_rtext" style="float: right;">2021-04-06</span> Tomcat 8.5.65 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.65_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid NPE when a JNDI reference cannot be resolved in favor of a
        NamingException. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid using reflection for setting properties on the webapp
        classloader. Based on a patch submitted by Romain Manni-Bucau. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.65_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve consistency of OpenSSL error stack handling in the TLS engine,
        and log all errors found as debug. (remm)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Re-factor the HTTP/2 implementation classes to better align with 9.0.x
        and 10.0.x to make maintenance simpler. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that HTTP/2 streams are only recycled once as multiple attempts
        to recycle an HTTP/2 stream may result in
        <code>NullPointerException</code>s. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Simplify the closing on an HTTP/2 stream when an error condition is
        present. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64771">64771</a>: Prevent concurrent calls to
        <code>ServletInputStream.isReady()</code> corrupting the input buffer.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65179">65179</a>: Ensure that the connection level flow control window
        from the client to the server is updated when handling DATA frames
        received for completed streams else the flow control window  may become
        exhausted. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65203">65203</a>: Fix a regression introduced in 8.5.64 that meant that
        an error during an asynchronous read broke all future asynchronous reads
        associated with the same request instance. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Disable keep-alive when inconsistent content delimitation is present in
        a request. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.65_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Implement the first phase of reproducible builds. Sequential builds on
        the same machine now produce identical output provided that the Ant
        property <code>ant.tstamp.now</code> is set. The minimum required Ant
        version is now 1.9.10. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Provided by Ruan Wenjun. (mark)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Japanese translations. Provided by kfujino and
        Shirayuking. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.27.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.64_(markt)"><span id="Tomcat_8.5.64_(markt)_rtext" style="float: right;">2021-03-10</span> Tomcat 8.5.64 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.64_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Revert an incorrect fix for a potential resource leak that broke
        deployment via the Ant deploy task. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the <code>AsyncListener.onError()</code> event is triggered
        when a I/O error occurs during non-blocking I/O. There were some cases
        discovered where this was not happening. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make the non-blocking I/O error handling more robust by handling the
        case where the application code swallows an <code>IOException</code> in
        <code>WriteListener.onWritePossible()</code> and
        <code>ReadListener.onDataAvailable()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64938">64938</a>: Align the behaviour when <code>null</code> is passed
        to the <code>ServletResponse</code> methods
        <code>setCharacterEncoding()</code>, <code>setContentType()</code> and
        <code>setLocale()</code> with the recent clarification from the Jakarta
        Servlet project of the expected behaviour in these cases. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Make the <code>StandardContext.postWorkDirectory()</code> protected
        rather than private to help users wishing to customise the default
        work directory behaviour. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.64_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65118">65118</a>: Fix a potential <code>NullPointerException</code> when
        pruning closed HTTP/2 streams from the connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid NullPointerException when a secure channel is closed before the
        SSL engine was initialized. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve error message for failed ConfigFileLoader lookups. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the <code>ReadListener</code>'s <code>onError()</code> event
        is triggered if the client closes the connection before sending the
        entire request body and the server is ready the request body using
        non-blocking I/O. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65137">65137</a>: Ensure that a response is not corrupted as well as
        incomplete if the connection is closed before the response is fully
        written due to a write timeout. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Related to bug <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65131">65131</a>, make sure all errors from OpenSSL are
        fully cleared, as there could be more than one error present after
        an operation (confirmed in the OpenSSL API documentation). (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make handling of OpenSSL read errors more robust when plain text data is
        reported to be available to read. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct handling of write errors during non-blocking I/O to ensure that
        the associated <code>AsyncContext</code> was closed down correctly.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.64_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65136">65136</a>: Remove the restriction that prevented the Manager web
        application deploying different web applications in parallel. This
        required some refactoring, most notably to
        <code>HostConfig.check()</code> and how it is used. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.64_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Russian translations. Provided by Azat. (mark)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Provided by shawn. (mark)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.63_(markt)"><span id="Tomcat_8.5.63_(markt)_rtext" style="float: right;">2021-02-03</span> Tomcat 8.5.63 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.63_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65106">65106</a>: Fix the ConfigFileLoader handling of file URIs when
        running under a security manager on some JREs. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.63_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that SNI provided host names are matched to SSL virtual host
        configurations in a case insensitive manner. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.62_(markt)"><span id="Tomcat_8.5.62_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.62 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.62_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=50175">50175</a>: Add a new attribute to the standard context
        implementation, <code>skipMemoryLeakChecksOnJvmShutdown</code>, that
        allows the user to configure Tomcat to skip the memory leak checks
        usually performed during web application stop if that stop is triggered
        by a JVM shutdown. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60781">60781</a>: Escape elements in the access log that need to be
        escaped for the access log to be parsed unambiguously.
        (fschumacher/markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64110">64110</a>: Add support for additional TLS related request
        attributes that provide details of the protocols and ciphers requested
        by a client in the initial TLS handshake. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Let the <code>RemoteCIDRValve</code> inherit from
        <code>RequestFilterValve</code> and support all of its features.
        Especially add support for connector specific configuration
        using <code>addConnectorPort</code>. (rjung)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add <code>peerAddress</code> to coyote request, which contains
        the IP address of the direct connection peer. If a reverse proxy
        sits in front of Tomcat and the protocol used is AJP or HTTP
        in combination with the <code>RemoteIp(Valve|Filter)</code>,
        the peer address might differ from the <code>remoteAddress</code>.
        The latter then contains the address of the client in front of the
        reverse proxy, not the address of the proxy itself.
        Support for the peer address has been added to the
        RemoteAddrValve and RemoteCIDRValve with the new attribute
        <code>usePeerAddress</code>. This can be used to restrict access
        to Tomcat based on the reverse proxy IP address, which is especially
        useful to harden access to AJP connectors. The peer address can also
        be logged in the access log using the new <code>%{peer}a</code>
        syntax. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid uncaught InaccessibleObjectException on Java 16 trying to clear
        references threads. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65033">65033</a>: Fix JNDI realm error handling when connecting to a
        failed server when pooling was not enabled. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65047">65047</a>: If the <code>AccessLogValve</code> is unable to open
        the access log file, include information on the current user in the
        associated log message  (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.62_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Additional fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64830">64830</a> to address an edge case that could
        trigger request corruption with h2c connections. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64974">64974</a>: Improve handling of pipelined HTTP requests in
        combination with the Servlet non-blocking IO API. It was possible that
        some requests could get dropped. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65001">65001</a>: Fix error handling for exceptions thrown from calls
        to <code>ReadListener</code> and <code>WriteListener</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid possible infinite loop in <code>OpenSSLEngine.unwrap</code>
        when the destination buffers state is changed concurrently. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.62_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a new <code>StringInterpreter</code> interface that allows
        applications to provide customised string attribute value to type
        conversion within JSPs. This allows applications to provide a conversion
        implementation that is optimised for the application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64965">64965</a>: <code>JspContextWrapper.findAttribute</code> should
        ignore expired sessions rather than throw an
        <code>IllegalStateException</code>. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.62_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=65007">65007</a>: Clarify that the commands shown in the TLS
        documentation for importing a signed TLS certificate from a certificate
        authority are typical examples that may need to be adjusted in some
        cases. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.62_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Provided by leeyazhou and Yi Shen.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.26.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons Pool to 2.9.1-SNAPSHOT
        (2021-01-15). (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons DBCP to 2.9.0-SNAPSHOT
        (2021-01-15). (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Migrate to new code signing service. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Use <code>java.nio.file.Path</code> to test for one directory being a
        sub-directory of another in a consistent way. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Commons Daemon 1.2.4. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Russian translations. Provided by Polina and Azat.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the NSIS Installer used to build the Windows installer to version
        3.06.1. (kkolinko)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.61_(markt)"><span id="Tomcat_8.5.61_(markt)_rtext" style="float: right;">2020-12-08</span> Tomcat 8.5.61 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.61_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=56181">56181</a>: Update the RemoteIpValve and RemoteIpFilter so that
        calls to <code>ServletRequest.getRemoteHost()</code> are consistent with
        the return value of <code>ServletRequest.getRemoteAddr()</code> rather
        than always returning a value for the proxy. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=56890">56890</a>: Align the behaviour of
        <code>ServletContext.getRealPath(String path)</code> with the recent
        clarification from the Servlet specification project. If the path
        parameter does not start with <code>/</code> then Tomcat processes the
        call as if <code>/</code> is appended to the beginning of the
        provided path. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64921">64921</a>: Ensure that the <code>LoadBalancerDrainingValve</code>
        uses the correct setting for the secure attribute for any session
        cookies it creates. Based on a pull request by Andreas Kurth. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64947">64947</a>: Don't assume that the <code>Upgrade</code> header has
        been set on the <code>HttpServletResponse</code> before any call is made
        to <code>HttpServletRequest.upgrade()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that values are not duplicated when manipulating the vary header.
        Based on a pull request by Fredrik Fall. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.61_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64944">64944</a>: Ensure that the bytesSent metric is correctly updated
        when compression is enabled. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.61_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64951">64951</a>: Fix a potential file descriptor leak when WebSocket
        connections are attempted and fail. Patch provided by Maurizio Adami.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.61_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the addition of the HTTP header security filter
        to the examples web application that prevented the Servlet examples that
        depend on the asynchronous API from functioning correctly.
        (kkolinko/markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.61_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Start all core threads when starting the receiver and dispatch
        interceptor. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.61_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64931">64931</a>: Implement validation of <code>changelog.xml</code>
        file at build time. (kkolinko)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Maven Ant Resolver Tasks 1.3.0. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62695">62695</a>: Provide SHA-256 and SHA-512 checksums for files
        published via Maven. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.60_(markt)"><span id="Tomcat_8.5.60_(markt)_rtext" style="float: right;">2020-11-17</span> Tomcat 8.5.60 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.60_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=55559">55559</a>: Add a new attribute, <code>localJndiResource</code>,
        that allows a UserDatabaseRealm to obtain a UserDatabase instance from
        the local (web application) JNDI context rather than the global JNDI
        context. This option is only useful when the Realm is defined on the
        Context. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add connection pooling to JNDI realm. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64805">64805</a>: Correct imports used by <code>JMXProxyServlet</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix JNDIRealm pooling problems retrying on another bad connection. Any
        retries are made on a new connection, just like with the single
        connection scenario. Also remove all connections from the pool after
        an error. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        JNDIRealm connections should only be created with the container
        classloader as the thread context classloader, just like for the JAAS
        realm. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64871">64871</a>: Log a warning if Tomcat blocks access to a file
        because it uses symlinks. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Rename <code>JDBCStore</code> to <code>DataSourceStore</code>
        and remove bottlenecks for database backed session store. The
        <code>JDBCStore</code> is deprecated but remains unchanged. Patch
        submitted by Philippe Mouawad. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.60_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the HTTP/2 window update handling for padding in data frames to
        ensure that the connection window is correctly updated after a data
        frame with zero length padding is received. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix processing of URIs with %nn encoded solidus characters when
        <code>encodedSolidusHandling</code> was set to <code>passthrough</code>
        and the encoded solidus was preceded by other %nn encoded characters.
        Based on a pull request by willmeck. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63362">63362</a>: Add collection of statistics for HTTP/2, WebSocket and
        connections upgraded via the HTTP upgrade mechanism. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Provide messages for some <code>SocketTimeoutException</code> instances
        that did not have one. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add additional debug logging for I/O issues when communicating with the
        user agent. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64830">64830</a>: Fix concurrency issue in HPACK decoder. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.60_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64848">64848</a>: Fix a variation of this memory leak when a write I/O
        error occurs on a non-container thread. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.60_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64799">64799</a>: Added missing resources to host-manager web app. (isapir)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64797">64797</a>: Align manager.xml template file in Host-Manager with
        context.xml of real Manager web application. (isapir)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Configure the examples web applications to set
        <code>SameSite=strict</code> for all cookies, including session cookies,
        created by the application. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Configure the examples, Manager and Host Manager to use the HTTP header
        security filter with default settings apart from no HSTS header. Based
        on a suggestion by Debangshu Kundu. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.60_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Russian translations. Provided by Azat. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.59_(markt)"><span id="Tomcat_8.5.59_(markt)_rtext" style="float: right;">2020-10-09</span> Tomcat 8.5.59 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.59_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix race condition when saving and recycling session in
        <code>PersistentValve</code>. (kfujino)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Deprecate the JDBCRealm. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct numerous spellings throughout the code base. Based on a pull
        request from John Bampton. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64715">64715</a>: Add PasswordValidationCallback to the JASPIC
        implementation. Patch provided by Robert Rodewald. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Throw <code>SQLException</code> instead of
        <code>NullpointerException</code> when failing to connect to the
        database. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64735">64735</a>: Ensure that none of the methods on a
        <code>ServletContext</code> instance always fail when running under a
        SecurityManager. Pull request provided by Kyle Stiemann. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64765">64765</a>: Ensure that the number of currently processing threads
        is tracked correctly when a web application is undeployed, long running
        requests are being processed and
        <code>renewThreadsWhenStoppingContext</code> is enabled for the web
        application. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve the error messages when running under JPMS without the necessary
        options to enable reflection required by the memory leak prevention /
        detection code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When estimating the size of a resource in the static resource cache,
        include a specific allowance for the path to the resource. Based on a
        pull request by blueSky1825821. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.59_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not send an HTTP/2 PING frame to measure round-trip time when it is
        known that the HTTP/2 connection is not in a good state. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64743">64743</a>: Correct a regression introduced in 8.5.57 that
        caused a <code>Connection: close</code> header to be added to the
        response if the Connector was configured with
        <code>maxSwallowSize=-1</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When logging HTTP/2 debug messages, use consistent formatting for stream
        identifiers. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct some double counting in the code that tracks the number of
        in-flight asynchronous requests. The tracking enables Tomcat to shutdown
        gracefully when asynchronous processing is in use. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Don't send the Keep-Alive response header if the connection has been
        explicitly closed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the handling of closed HTTP/2 streams to reduce the heap usage
        associated with used streams and to retain information for more streams
        in the priority tree. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.59_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use lazy instantiation to improve the performance when working with
        listeners added to the <code>ELContext</code>. Pull request provided by
        Thomas Andraschko. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.59_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Configure the Manager and Host Manager applications to set
        <code>SameSite=strict</code> for all cookies, including session cookies,
        created by the application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the Manager How-To in the documentation web application to
        clarify when a user may wish to deploy additional instances of the
        Manager web application. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.59_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to Commons Daemon 1.2.3. This adds support to jsvc for
        <code>--enable-preview</code> and native memory tracking (Procrun
        already supported these features), adds some addition debug logging and
        adds a new feature to Procrun that outputs the command to (re-)configure
        the service with the current settings. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When building, only rebuild JAR files if the contents has changed.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Pull request provided by Yang
        Yang. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand coverage of Russian translations. Pull request provided by
        Nikolay Gribanov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix running service.bat when called from <code>$CATALINA_HOME</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Complete the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63815">63815</a>. Users wishing to use system
        properties that require quoting with <code>catalina.sh</code> and the
        <code>debug</code> option must use a JRE that includes the fix for <a href="https://bugs.openjdk.java.net/browse/JDK-8234808">JDK-8234808</a>.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Chinese translations. Provided by leeyazhou. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to French translations. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Korean translations. (woonsan)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to Spanish translations. Provided by Andrewlanecarr.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.58_(markt)"><span id="Tomcat_8.5.58_(markt)_rtext" style="float: right;">2020-09-15</span> Tomcat 8.5.58 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.58_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53411">53411</a>: Improve the handling of HTTP requests that do not
        explicitly specify a host name when no default host is configured. Also
        improve the tracking of changes to the default host as hosts are added
        and removed while Tomcat is running. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64582">64582</a>: Pre-load the <code>CoyoteOutputStream</code> class to
        prevent a potential exception when running under a security manager.
        Patch provided by Johnathan Gilday. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64593">64593</a>: If a request is not matched to a Context, delay
        issuing the 404 response to give the rewrite valve, if configured, an
        opportunity to rewrite the request. (remm/markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Refactor the Default servlet to provide a single method that can be
        overridden (<code>generateETag()</code>) should a custom entity tag
        format be required. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the validation of entity tags provided with conditional
        requests. Requests with headers that contain invalid entity tags will be
        rejected with a 400 response code. Improve the matching algorithm used
        to compare entity tags in conditional requests with the entity tag for
        the requested resource. Based on a pull request by Sergey Ponomarev.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the description of the storage format for salted hashes in the
        Javadoc for <code>MessageDigestCredentialHandler</code> and refactor the
        associated code for clarity.
        Based on a patch provided by Milo van der Zee. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the path validation to allow the use of the file system root for
        the <code>docBase</code> attribute of a <code>Context</code>. Note that
        such a configuration should be used with caution. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Added filtering expression for requests that are not supposed to use
        session in <code>PersistentValve</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use the correct method to calculate session idle time in
        <code>PersistentValve</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64712">64712</a>: The JASPIC authenticator now checks the
        <code>ServerAuthModule</code> for
        <code>jakarta.servlet.http.authType</code> and, if present, uses the
        value provided. Based on a patch by Robert Rodewald. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64713">64713</a>: The JASPIC authenticator now checks the value of
        <code>jakarta.servlet.http.registerSession</code> set by the
        <code>ServerAuthModule</code> when deciding whether or nor to register
        the session. Based on a patch by Robert Rodewald. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.58_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57661">57661</a>: For requests containing the
        <code>Expect: 100-continue</code> header, add optional support to delay
        sending an intermediate 100 status response until the servlet reads the
        request body, allowing the servlet the opportunity to respond without
        asking for the request body. Based on a pull request by malaysf. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the implementation of
        <code>ServletInputStream.available()</code> to provide a more accurate
        return value, particularly when end of stream has been reached. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64614">64614</a>: Improve compatibility with FIPS keystores. When a FIPS
        keystore is configured and the keystore contains multiple keys, the
        alias attribute will be ignored and the key used will be implementation
        dependent. (jfclere)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64621">64621</a>: Improve handling HTTP/2 stream reset frames received
        from clients. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64660">64660</a>: Avoid a potential NPE in the AprEndpoint if a socket
        is closed in one thread at the same time as the poller is processing an
        event for that socket in another. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64671">64671</a>: Avoid several potential NPEs introduced in the changes
        in the previous release to reduce the memory footprint of closed HTTP/2
        streams. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the HTTP/2 implementation to more consistently return a stream
        closed error if errors occur after a stream has been reset by the
        client. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of HTTP/2 stream level flow control errors and notify
        the stream immediately if it is waiting for an allocation when the flow
        control error occurs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that window update frames are sent for HTTP/2 connections to
        account for DATA frames containing padding including when the associated
        stream has been closed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that window update frames are sent for HTTP/2 connections and
        streams to account for DATA frames containing zero-length padding.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64710">64710</a>: Revert the changes to reduce the memory footprint of
        closed HTTP/2 streams as they triggered multiple regressions in the form
        of <code>NullPointerException</code>s. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the HTTP/2 overhead protection check is performed after
        each HTTP/2 frame is processed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.58_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Requests received via proxies may be marked as using the <code>ws</code>
        or <code>wss</code> protocol rather than <code>http</code> or
        <code>https</code>. Ensure that such requests are not rejected. PR
        provided by Ronny Perinke. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64848">64848</a>: Fix a potential issue where the write lock for a
        WebSocket connection may not be released if an exception occurs during
        the write. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64644">64644</a>: Add support for a read idle timeout and a write idle
        timeout to the WebSocket session via custom properties in the user
        properties instance associated with the session. Based on a pull request
        by sakshamverma. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.58_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove the localization of the text output of the Manager application
        list of contexts and the Host Manager application list of hosts so that
        the output is more consistent. PR provided by Holomark. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Clean-up / standardize the XSL files used to generate the documentation.
        PR provided by John Bampton. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62723">62723</a>: Clarify the effects of some options for cluster
        <code>channelSendOptions</code>. Patch provided by Mitch Claborn.
        (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove the out of date functional specification section from the
        documentation web application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Extracted CSS styles from the Manager we application for better code
        maintenance and replaced the GIF logo with SVG. (isapir)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add document for <code>PersistentValve</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.58_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve the quality of the Japanese translations provided with Apache
        Tomcat. Includes contributions from Yuki Shira. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64645">64645</a>: Use a non-zero exit code if the
        <code>service.bat</code> does not complete normally. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons BCEL to 6.5.0. Code clean-up
        only. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons Codec to 53c93d0 (2020-08-18,
        1.15-SNAPSHOT). Code clean-up. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons FileUpload to c25a4e3
        (2020-08-26, 2.0-SNAPSHOT). Code clean-up and RFC 2231 support. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons Pool to 2.8.1. Code clean-up
        and improved abandoned pool handling. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons DBCP to 6d232e5 (2020-08-11,
        2.8.0-SNAPSHOT). Code clean-up various bug fixes. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.25.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.57_(markt)"><span id="Tomcat_8.5.57_(markt)_rtext" style="float: right;">2020-07-05</span> Tomcat 8.5.57 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.57_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Remove the error message on start if <code>java.io.tmpdir</code> is
        missing and add an explicit error message on application deployment when
        the sole feature that depends on it (anti-resource locking) is
        configured and can't be used. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Implement a significant portion of the TLS environment variables for
        the rewrite valve. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64506">64506</a>: Correct a potential race condition in the resource
        cache implementation that could lead to
        <code>NullPointerException</code>s during class loading. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add <code>application/wasm</code> to the media types recognised by
        Tomcat. Based on a PR by Thiago Henrique H&uuml;pner. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a bug in <code>HttpServlet</code> so that a <code>405</code>
        response is returned for an HTTP/2 request if the mapped servlet does
        implement the requested method rather than the more general
        <code>400</code> response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64541">64541</a>: Refactor the DTD used to validate
        <code>mbeans-descriptors.xml</code> files to avoid issues when XML
        entity expansion is limited or disabled. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.57_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Include a <code>Connection: close</code> HTTP header when committing a
        response and it is known that the <code>maxSwallowSize</code> limit is
        going to be exceeded. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64509">64509</a>: Correctly parse RFC 2109 version 1 cookies that use a
        comma as a separator between cookies when using the RFC 6265 cookie
        processor. Based on a patch by W J Carpenter. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the utility code that converted IPv6 addresses to a canonical form
        to correctly handle input addresses that ended with a pair of colons.
        Based on a patch by syarramsetty-skyhook. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly parse RFC 2109 version 1 cookies that have additional linear
        white space around cookie attribute names and values when using the RFC
        6265 cookie processor. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Once an HTTP/2 stream has been closed, ensure that the code that cleans
        up references that are no longer required is called. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Reduce the memory footprint of closed HTTP/2 streams. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the HTTP/1.1 processor is correctly recycled when a direct
        connection to h2c is made. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.57_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64560">64560</a>: Refactor the replication of a changed session ID for a
        replicated session so that the list of changes associated with the
        session is not reset when the session ID changes. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.57_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64563">64563</a>: Add additional validation of payload length for
        WebSocket messages. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the calculation of payload length when four or more bytes are
        required to represent the payload length. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.57_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64501">64501</a>: Refactor the handling of the deprecated
        <code>LOGGING_CONFIG</code> environment variable to avoid using a POSIX
        shell feature that is not available by default on Solaris 10. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64514">64514</a>: Fixes some missing class dependency issues in bootstrap
        to address packaging/dependency concerns for JPMS and OSGi. Pull request
        provided by Raymond Aug&eacute;. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64521">64521</a>: Avoid moving i18n translations into classes dir since
        they are packaged into separate jars. Pull request provided by Raymond
        Aug&eacute;. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64522">64522</a>: Package jars in effective dependency order. Pull
        request provided by Raymond Aug&eacute;. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve the quality and expand the coverage of the French translations
        provided with Apache Tomcat. (remm)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.56_(markt)"><span id="Tomcat_8.5.56_(markt)_rtext" style="float: right;">2020-06-07</span> Tomcat 8.5.56 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.56_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64432">64432</a>: Correct a refactoring regression that broke handling
        of multi-line configuration in the RewriteValve. Patch provided by Jj.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add the special internal rewrite maps for case modification and
        escaping. (remm/fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64470">64470</a>: The default value of the solidus handling should
        reflect the associated system property. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement a few rewrite SSL env that correspond to Servlet request
        attributes. (remm)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64442">64442</a>: Be more flexible with respect to the ordering of
        groups, roles and users in the <code>tomcat-users.xml</code> file.
        (fschumacher)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.56_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add support for ALPN on recent OpenJDK 8 releases. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64467">64467</a>: Improve performance of closing idle HTTP/2 streams.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64483">64483</a>: Log a warning if an AJP request is rejected because it
        contains an unexpected request attribute. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.56_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64488">64488</a>: Ensure that the ImportHandler from the Expression
        Language API is able to load classes from the Java runtime when running
        under a SecurityManager. Based on a patch by Volodymyr Siedleck. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.56_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Consistently throw a <code>DeploymentException</code> when an invalid
        endpoint path is specified and catch invalid endpoint paths earlier.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Include the target URL in the log message when a WebSocket connection
        fails. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.56_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61127">61127</a>Allow human-readable names for channelSendOptions and
        mapSendOptions. Patch provided by Igal Sapir. (schultz)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.56_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the list of known <code>Charset</code>s in the
        <code>CharsetCache</code> to include <code>ISO-8859-16</code>, added in
        OpenJDK 15. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve the quality and expand the coverage of the French translations
        provided with Apache Tomcat. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64430">64430</a>: Add support for the <code>CATALINA_OUT_CMD</code>
        environment variable that defines a command to which captured stdout and
        stderr will be redirected. Patch provided by Harald Dunkel. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Switch from the unsupported Maven Ant Tasks to the supported Maven
        Resolver Ant Tasks to upload artifacts to the ASF Maven repository (and
        from there to Maven Central). (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.55_(markt)"><span id="Tomcat_8.5.55_(markt)_rtext" style="float: right;">2020-05-11</span> Tomcat 8.5.55 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.55_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove the remainder of the deprecated Servlet 4 Preview API. Users
        still depending on this feature should ideally upgrade to Tomcat
        9.0.x. If upgrade is not possible, application code should cast to the
        internal Tomcat implementation classes. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Rework the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64021">64021</a> to better support web applications
        that use a custom class loader that loads resources from non-standard
        locations. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove redundant sole path/URI from error page message on SC_NOT_FOUND.
        (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Log a warning if a <code>CredentialHandler</code> instance is added to
        an instance of the <code>CombinedRealm</code> (or a sub-class) as the
        <code>CombinedRealm</code> doesn't use a configured
        <code>CredentialHandler</code> and it is likely that a configuration
        error has occurred. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add more descriptive error message in DefaultServlet for SC_NOT_FOUND.
        (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59203">59203</a>: Before calling <code>Thread.stop()</code> (if
        configured to do so) on a web application created thread that is not
        stopped by the web application when the web application is stopped, try
        interrupting the thread first. Based on a pull request by Govinda
        Sakhare. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64309">64309</a>: Improve the regular expression used to search for
        class loader repositories when bootstrapping Tomcat. Pull request
        provided by Paul Muriel Biya-Bi. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64384">64384</a>: Fix multipart configuration ignoring some parameters
        in some cases. (schultz)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64386">64386</a>: WebdavServlet does not send "getlastmodified"
        property for resource collections. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64398">64398</a>: Change default value separator for property
        replacement to <code>:-</code> due to possible conflicts. The
        syntax is now <code>${name:-default}</code>. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve validation of storage location when using FileStore. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.55_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Move <code>SocketProperties</code> mbean to its own type rather than
        use a subType to improve robustness with tools. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Include the problematic data in the error message when reporting that
        the provided request line contains an invalid component. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the handling of requests that use an expectation. Do not disable
        keep-alive where the response has a non-2xx status code but the request
        body has been fully read. (rjung/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64403">64403</a>: Ensure that compressed HTTP/2 responses are not sent
        with a content length header appropriate for the original, uncompressed
        response. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.55_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove redundant sole path/URI from error page message on SC_NOT_FOUND.
        (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add more descriptive error message in DefaultServlet for SC_NOT_FOUND.
        (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64373">64373</a>: When a tag file is packaged in a WAR and then that WAR
        is unpacked in <code>/WEB-INF/classes</code> ensure that the tag file
        can still be found. Patch provided by Karl von Randow. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the Jasper code that interfaces with the Eclipse Compiler
        for Java (ECJ) enables Jasper to compile JSPs using ECJ 4.14 onwards
        when the JSPs have inner classes. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.55_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the saving of a Context configuration file via the scripting
        interface of the Manager web application. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a section to the TLS Connector documentation on different key store
        types and how to configure them. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.55_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update JUnit to version 4.13. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add missing entries to test class path in sample NetBeans configuration
        files. Patch provided by Brian Burch. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor to use parameterized <code>Collection</code> constructors where
        possible. Pull request provided by Lars Grefer. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor to use empty arrays with <code>Collections.toArray()</code>.
        Pull request provided by Lars Grefer. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor loops with a condition to exit as soon as the condition is met.
        Pull request provided by Lars Grefer. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor bulk addition to collections to use <code>addAll()</code>
        rather than a loop. Pull request provided by Lars Grefer. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the Chinese translations provided with Apache
        Tomcat. Contributions provided by winsonzhao, ZhangJieWen and Lee
        Yazhou. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.24.
        (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor to use enhanced for loops where possible. Pull request by Lars
        Grefer. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve IDE support for IntelliJ IDEA. Patch provided by Lars Grefer.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.54_(markt)"><span id="Tomcat_8.5.54_(markt)_rtext" style="float: right;">2020-04-08</span> Tomcat 8.5.54 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.54_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure all URL patterns provided via web.xml are %nn decoded
        consistently using the encoding of the web.xml file where specified and
        UTF-8 where no explicit encoding is specified. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Allow a comma separated list of class names for the
        <code>org.apache.tomcat.util.digester.PROPERTY_SOURCE</code>
        system property. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64149">64149</a>: Avoid NPE when using the access log valve without
        a pattern. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64226">64226</a>: Reset timezone after parsing a date since the date
        format is reused. Test case submitted by Gary Thomas. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64247">64247</a>: Using a wildcard for <code>jarsToSkip</code> should
        not override a possibly present <code>jarsToScan</code>. Based on code
        submitted by Iridias. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64265">64265</a>: Fix ETag comparison performed by the default servlet.
        The default servlet always uses weak comparison. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add support for default values when using <code>${...}</code> property
        replacement in configuration files. Based on a pull request provided by
        Bernd Bohmann. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.54_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When configuring an HTTP Connector, warn if the encoding specified for
        <code>URIEncoding</code> is not a superset of US-ASCII as required by
        RFC7230. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64240">64240</a>: Ensure that HTTP/0.9 requests that contain additional
        data on the request line after the URI are treated consistently. Such
        requests will now always be treated as HTTP/1.1. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expose the HTTP/2 connection ID and stream ID to applications via the
        request attributes <code>org.apache.coyote.connectionID</code> and
        <code>org.apache.coyote.streamID</code> respectively. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Replace the system property
        <code>org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH</code>
        with the Connector attribute <code>encodedSolidusHandling</code> that
        adds an additional option to pass the <code>%2f</code> sequence through
        to the application without decoding it in addition to rejecting such
        sequences and decoding such sequences. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expose the associated <code>HttpServletRequest</code> to the
        <code>CookieProcessor</code> when generating a cookie header so the
        header can be tailored based on the properties of the request, such as
        the user agent, if required. Based on a patch by Lazar Kirchev. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.54_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 14 (with the value <code>14</code>) and
        Java 15 (with the value <code>15</code>) as the compiler source and/or
        compiler target for JSP compilation. If used with an ECJ version that
        does not support these values, a warning will be logged and the latest
        supported version will used. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.54_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the creation of <code>DeltaRequest</code> objects to make it
        simpler to use custom implementations. Based on a pull request provided
        by Thomas Stock. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.54_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the documentation web application to remove references to the
        <code>org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH</code>
        system property changing how the sequence <code>%5c</code> is
        interpreted in a URI. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.54_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve the quality and expand the coverage of the French translations
        provided with Apache Tomcat. Contribution provided by Tom Bens. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the Chinese translations provided with Apache
        Tomcat. Contribution provided by Lee Yazhou. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64270">64270</a>: Set the documented default umask of <code>0027</code>
        when using jsvc via <code>daemon.sh</code> and allow the umask used to
        be configured via the <code>UMASK</code> environment variable as it is
        when using <code>catalina.sh</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Deprecated the <code>LOGGING_CONFIG</code> environment variable and
        replace it with the <code>CATALINA_LOGGING_CONFIG</code> environment
        variable to avoid clashes with other components that use
        <code>LOGGING_CONFIG</code>. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.53_(markt)"><span id="Tomcat_8.5.53_(markt)_rtext" style="float: right;">2020-03-16</span> Tomcat 8.5.53 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.53_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64210">64210</a>: Correct a regression in the improvements to HTTP
        header validation that caused requests to be incorrectly treated as
        invalid if a <code>CRLF</code> sequence was split between TCP packets.
        Improve validation of request lines, including for HTTP/0.9 requests.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.53_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64206">64206</a>: Correct a regression introduced in 8.5.51 that meant
        that the HTTP port specified when using the Windows Installer was
        ignored and 8080 was always used. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.52_(markt)"><span id="Tomcat_8.5.52_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.52 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.52_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Store config compatibility with HostWebXmlCacheCleaner listener. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Modify the <code>RewriteValve</code> to use
        <code>ServletRequest.getServerName()</code> to populate the
        <code>HTTP_HOST</code> variable rather than extracting it from the
        <code>Host</code> header as this allows HTTP/2 to be supported. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove <code>PushBuilder</code> from the deprecated Servlet 4 Preview
        API. Users still depending on this feature should ideally upgrade to
        Tomcat 9.0.x. If upgrade is not possible, application code should cast
        to the internal Tomcat implementation classes. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Switch Tomcat embedded to loading MIME type mappings from a property
        file generated from the default <code>web.xml</code> so the MIME type
        mappings are consistent regardless of how Tomcat is started. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Missing store config attributes for Resources elements. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64153">64153</a>: Ensure that the parent for the web application class
        loader is set consistently. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64166">64166</a>: Ensure that the names returned by
        <code>HttpServletResponse.getHeaderNames()</code> are unique. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Rename <code>org.apache.tomcat.util.digester.Digester$EnvironmentPropertySource</code>
        to
        <code>org.apache.tomcat.util.digester.EnvironmentPropertySource</code>.
        The old class is still available but deprecated. Patch provided by Bernd
        Bohmann. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add new attribute <code>persistAuthentication</code> to both
        <code>StandardManager</code> and <code>PersistentManager</code> to
        support authentication persistence. Patch provided by Carsten Klein.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64184">64184</a>: Avoid repeated log messages if a
        <code>MemoryUserDatabase</code> is configured but the specified
        configuration file is missing. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64189">64189</a>: Expose the web application version String as a
        <code>ServletContext</code> attribute named
        <code>org.apache.catalina.webappVersion</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.52_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When the NIO or APR/native connectors were configured with
        <code>useAsyncIO="true"</code> and a zero length read or write was
        performed, the read/write would time out rather than return immediately.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64141">64141</a>: If using a CA certificate, remove a default value
        for the truststore file when not using a JSSE configuration. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve robustness of OpenSSLEngine shutdown. Based on code submitted
        by Manuel Dominguez Sarmiento. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add the TLS request attributes used by IIS to the attributes that an AJP
        Connector will always accept. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        A zero length AJP secret will now behave as if it has not been
        specified. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64188">64188</a>: If an error occurs while committing or flushing the
        response when using a multiplexing protocol like HTTP/2 that requires
        the channel to be closed but not the connection, just close the channel
        and allow the other channels using the connection to continue. Based on
        a suggestion from Alejandro Anadon. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the semantics of <code>getEnableSessionCreation</code> and
        <code>setEnableSessionCreation</code> for <code>OpenSSLEngine</code>.
        Pull request provided by Alexander Scheel. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Allow async requests to complete cleanly when the Connector is paused
        before <code>complete()</code> is called on a container thread. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.52_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Parameterize JSP version and API class names in localization messages to
        allow simpler re-use between major versions. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that TLD files listed in the <code>jsp-config</code> section of
        <code>web.xml</code> that are registered in the
        <code>uriTldResourcePathMap</code> with the URI specified in
        <code>web.xml</code> are also registered with the URI in the TLD file if
        it is different. Patch provided by Markus Lottmann. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.52_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the documentation for the <code>address</code> attribute of the
        AJP Connector and document that the AJP Connector also supports the
        <code>ipv6v6only</code> attribute with the APR/Native implementation.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.52_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the French translations provided with Apache
        Tomcat. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the Chinese translations provided with Apache
        Tomcat. Contribution provided by BoltzmannWxd. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the Korean translations provided with Apache
        Tomcat. Contributions provided by B. Cansmile Cha. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64190">64190</a>: Add support for specifying milliseconds (using
        <code>S</code>, <code>SS</code> or <code>SSS</code>) in the timestamp
        used by JULI's <code>OneLineFormatter</code>. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.51_(markt)"><span id="Tomcat_8.5.51_(markt)_rtext" style="float: right;">2020-02-11</span> Tomcat 8.5.51 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.51_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove part of the deprecated Servlet 4 Preview API. Users still
        depending on this feature should ideally upgrade to Tomcat 9.0.x. If
        upgrade is not possible, application code should cast to the internal
        Tomcat implementation classes. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Do not store username and password as session notes during
        authentication if they are not needed. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid useless environment restore when not using GSSCredential
        in JNDIRealm. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58577">58577</a>: Respect the argument-count when searching for MBean
        operations to invoke via the JMXProxyServlet. (schultz)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62755">62755</a>: Add ability to opt out of adding the default web.xml
        config when embedding Tomcat and adding a context via
        <code>addWebapp()</code>. Call
        <code>setAddDefaultWebXmlToWebapp(false)</code> to prevent the automatic
        config. (isapir/markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63691">63691</a>: Skip all jar and directory scanning when the wildcard
        pattern "*" or "*.jar" is set or added to
        <code>tomcat.util.scan.StandardJarScanFilter.jarsToSkip</code>. (isapir)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64005">64005</a>: Correct a regression in the static resource caching
        changes introduced in 8.5.28. Avoid a <code>NullPointerException</code>
        when working with the URL provided for the root of a packed WAR. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64008">64008</a>: Clarify/expand the Javadoc for the
        <code>Tomcat#addWebapp()</code> and related methods. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Deprecate the <code>JmxRemoteLifecycleListener</code> as the features it
        provides are now available in the remote JMX capability included with
        the JRE. This listener will be removed in Tomcat 10 and may be removed
        from Tomcat 8.5.x some time after 2020-12-31. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64011">64011</a>: <code>JNDIRealm</code> no longer authenticates to LDAP.
        (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64021">64021</a>: Ensure that container provided SCIs are always loaded
        before application provided SCIs. Note that where both the container and
        the application provide the same SCI, it is the application provided SCI
        that will be used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        SCI definitions from JARs unpacked into <code>WEB-INF/classes</code> are
        now handled consistently and will always be found irrespective of
        whether the web application defines a JAR ordering or not. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64023">64023</a>: Skip null-valued session attributes when deserializing
        sessions. (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not throw a NullPointerException when an MBean or operation cannot
        be found by the JMXProxyServlet. (schultz)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64067">64067</a>: Allow more than one parameter when defining RewriteMaps.
        (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64074">64074</a>: <code>InputStream</code>s for directories obtained
        from resource URLs now return a directory listing consistent with the
        behaviour of <code>FileURLConnection</code>. In addition to restoring
        the behaviour that was lost as a result of the introduction of
        <code>CachedResourceURLConnection</code>, it expands the feature to
        include packedWARs and to take account of resource JARs. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Refactor recycle facade system property into a new connector attribute
        named <code>discardFacades</code>. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64089">64089</a>: Add <code>${...}</code> property replacement support
        to XML external entity definitions. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Deprecate <code>MappingData.contextPath</code> as it is unused. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a problem that meant that remote host, address and port information
        could be missing in the access log for an HTTP/2 request where the
        connection was closed unexpectedly. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.51_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that Servlet Asynchronous processing timeouts fire when requests
        are made using HTTP/2. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the corruption of the TLS configuration when using the deprecated TLS
        attributes on the Connector if the configuration has already been set
        via the new <code>SSLHostConfig</code> and
        <code>SSLHostConfigCertificate</code> elements. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63966">63966</a>: Switch the message shown when using HTTP to connect to
        an HTTPS port from ISO-8859-1 to UTF-8. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for RFC 5915 formatted, unencrypted EC key files when using
        a JSSE based TLS connector. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When reporting / logging invalid HTTP headers encode any non-printing
        characters using the 0xNN form. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression introduced in 8.5.48 that meant invalid tokens in
        the <code>Transfer-Encoding</code> header were ignored rather than
        treated as an error. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Rename the HTTP Connector attribute <code>rejectIllegalHeaderName</code>
        to <code>rejectIllegalHeader</code> and expand the underlying
        implementation to include header values as well as names. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Disable (comment out in server.xml) the AJP/1.3 connector by default.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Change the default bind address for the AJP/1.3 connector to be the
        loopback address. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Rename the <code>requiredSecret</code> attribute of the AJP/1.3
        Connector to <code>secret</code> and add a new attribute
        <code>secretRequired</code> that defaults to <code>true</code>. When
        <code>secretRequired</code> is <code>true</code> the AJP/1.3 Connector
        will not start unless the <code>secret</code> attribute is configured to
        a non-null, non-zero length String. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a new attribute, <code>allowedRequestAttributesPattern</code> to
        the AJP/1.3 Connector. Requests with unrecognised attributes will be
        blocked with a 403. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.51_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the performance optimisation for using expressions in tags that
        depend on uninitialised tag attributes with implied scope to make the
        performance optimisation aware of the new public class
        (<code>java.lang.Record</code>) added in Java 14. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64097">64097</a>: Replace the faulty custom services lookup used for
        <code>ExpressionFactory</code> implementations with
        <code>ServiceLoader</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a <code>META-INF/services</code> entry to jasper-el.jar so that the
        Expression Language implementation can be discovered via the services
        API. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.51_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64043">64043</a>: Ensure that session ID changes are replicated during
        form-authentication. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.51_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=64000">64000</a>: In the examples web application, where a Servlet
        example includes i18n support, the Locale used should be based on the
        request locale and not the server locale. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add additional information on securing AJP/1.3 Connectors. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.51_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63995">63995</a>: Ensure statements are closed when a pooled JDBC
        connection is passivated in Tomcat's fork of Commons DBCP2. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.50_(markt)"><span id="Tomcat_8.5.50_(markt)_rtext" style="float: right;">2019-12-12</span> Tomcat 8.5.50 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.50_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvements to CsrfPreventionFilter: additional logging, allow the
        CSRF nonce request parameter name to be customized.
        (schultz)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63681">63681</a>: Introduce RealmBase#authenticate(GSSName, GSSCredential)
        and friends. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63964">63964</a>: Correct a regression in the static resource caching
        changes introduced in 8.5.48. URLs constructed from URLs obtained from
        the cache could not be used to access resources. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63968">63968</a>: Fix <code>ClassCastException</code> in the
        <code>Expires</code> filter which was a regression in the fix for
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63909">63909</a>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63970">63970</a>: Correct a regression in the static resource caching
        changes introduced in 8.5.48. Connections to URLs obtained for JAR
        resources could not be cast to <code>JarURLConnection</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63937">63937</a>: Add a new attribute to the standard
        <code>Authenticator</code> implementations,
        <code>allowCorsPreflight</code>, that allows the
        <code>Authenticator</code>s to be configured to allow CORS preflight
        requests to bypass authentication as required by the CORS specification.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63939">63939</a>: Correct the same origin check in the CORS filter. An
        origin with an explicit default port is now considered to be the same as
        an origin without a default port and origins are now compared in a
        case-sensitive manner as required by the CORS specification. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63982">63982</a>: CombinedRealm makes assumptions about principal implementation
        (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63983">63983</a>: Correct a regression in the static resource caching
        changes introduced in 8.5.48. A large number of file descriptors were
        opened that could reach the OS limit before being released by GC.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63987">63987</a>: Deprecate <code>Realm.getRoles(Principal)</code>. (michaelo)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Add a unit test for the session <code>FileStore</code> implementation
        and refactor loops in <code>FileStore</code> to use the ForEach style.
        Pull request provided by Govinda Sakhare. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor FORM authentication to reduce duplicate code and to ensure that
        the authenticated Principal is not cached in the session when caching is
        disabled. This is the fix for CVE-2019-17563. (markt/kkolinko)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.50_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the APR poller to always use a single pollset now that the
        Windows operating systems that required multiple smaller pollsets to be
        used are no longer supported. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add vectoring for NIO in the base and SSL channels. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add async API to the NIO and APR connector. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63931">63931</a>: Improve timeout handling for asyncIO to ensure that
        blocking operations see a <code>SocketTimeoutException</code> if one
        occurs. (remm/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63932">63932</a>: By default, do not compress content that has a strong
        ETag. This behaviour is configurable for the HTTP/1.1 and HTTP/2
        connectors via the new Connector attribute
        <code>noCompressionStrongETag</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Simplify regular endpoint writes by removing write(Non)BlockingDirect.
        All regular writes will now be buffered for a more predictable
        behavior. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Send an exception directly to the completion handler when a timeout
        exception occurs for the operation, and add a boolean to make sure the
        completion handler is called only once. (remm/markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.50_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure a couple of very unlikely concurrency issues are avoided when
        writing WebSocket messages. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.50_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the broken re-try link on the error page for the FORM authentication
        example in the JSP section of the examples web application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the documentation for the <code>maxConnections</code> attribute
        of the <code>Connector</code> in the documentation web application.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add the ability to set and display session attributes in the JSP FORM
        authentication example to demonstrate session persistence across
        restarts for authenticated sessions. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.50_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63815">63815</a> (quoting the use of
        <code>CATALINA_OPTS</code> and <code>JAVA_OPTS</code> when used in shell
        scripts to avoid the expansion of <code>*</code>) as it caused various
        regressions, particularly with <code>daemon.sh</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the search made by the Windows installer for a suitable Java
        installation to include the 64-bit JDK registry entries and the
        <code>JAVA_HOME</code> environment variable. Pull request provided by
        Alexander Norz. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the German translations provided with Apache
        Tomcat. Contribution provided by Jens. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the French translations provided with Apache
        Tomcat. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the Japanese translations provided with Apache
        Tomcat. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the Korean translations provided with Apache
        Tomcat. (woonsan)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage of the Chinese translations provided with Apache
        Tomcat. Contributions provided by lins and 磊. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons BCEL to ff6941e (2019-12-06,
        6.4.2-dev). Code clean-up only. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons Codec to 9637dd4 (2019-12-06,
        1.14-SNAPSHOT). Code clean-up and a fix for CODEC-265. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons FileUpload to 2317552
        (2019-12-06, 2.0-SNAPSHOT). Refactoring. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons Pool 2 to 6092f92 (2019-12-06,
        2.8.0-SNAPSHOT). Clean-up and minor refactoring. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons DBCP 2 to a36390 (2019-12-06,
        2.7.1-SNAPSHOT). Minor refactoring. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.49_(markt)"><span id="Tomcat_8.5.49_(markt)_rtext" style="float: right;">2019-11-21</span> Tomcat 8.5.49 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.49_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression introduced in 8.5.48 that could trigger a
        <code>NullPointerException</code> when using a
        <code>RequestDispatcher</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improvement to CsrfPreventionFilter: expose the latest available nonce
        as a request attribute; expose the expected nonce request parameter
        name as a context attribute.
        (schultz)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.48_(markt)"><span id="Tomcat_8.5.48_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.48 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.48_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63832">63832</a>: Properly mark container as FAILED when a JVM error
        occurs on stop. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63836">63836</a>: Ensure that references to the Host object are cleared
        once the Host instance is destroyed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63872">63872</a>: Fix some edge cases where the docBase was not being
        set using a canonical path which in turn meant resource URLs were not
        being constructed as expected. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make a best effort attempt to clean-up if a request fails during
        processing due to an <code>OutOfMemoryException</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that, when static resource caching is enabled for a web
        application, all access to static files (including JSP files) goes via
        the cache so that a consistent view of the static files is seen. Prior
        to this change it was possible to see an updated last modified time but
        the content would be that prior to the modification. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63905">63905</a> Clean up Tomcat CSS. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63909">63909</a>: When the <code>ExpiresFilter</code> is used without a
        default and the response is served by the Default Servlet, ensure that
        the filter processes the response if the Default Servlet sets a 304 (Not
        Found) status code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the Servlet 4 preview API to reflect changes made to the API in
        the final release. Note that this preview API has been deprecated for over a
        year and may be removed as soon as the next 8.5.x release. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
       Refactor JMX remote RMI registry creation. This is the fix for
       CVE-2019-12418. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.48_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>ServletRequest.isAsyncStarted()</code> returns
        <code>false</code> once <code>AsyncContext.complete()</code> or
        <code>AsyncContext.dispatch()</code> has been called during
        <code>AsyncListener.onTimeout()</code> or
        <code>AsyncListener.onError()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63816">63816</a> and <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63817">63817</a>: Correctly handle I/O errors after
        asynchronous processing has been started but before the container thread
        that started asynchronous processing has completed processing the
        current request/response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63825">63825</a>: When processing the <code>Expect</code> and
        <code>Connection</code> HTTP headers looking for a specific token, be
        stricter in ensuring that the exact token is present. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63829">63829</a>: Improve the check of the <code>Content-Encoding</code>
        header when looking to see if Tomcat is serving pre-compressed content.
        Ensure that only a full token is matched and that the match is case
        insensitive. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63835">63835</a>: Add support for Keep-Alive response header. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63864">63864</a>: Refactor parsing of the <code>transfer-encoding</code>
        request header to use the shared parsing code and reduce duplication.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63865">63865</a>: Add <code>Unset</code> option to same-site cookies
        and pass through <code>None</code> value if set by user. Patch provided
        by John Kelly. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63894">63894</a>: Ensure that the configured values for
        <code>certificateVerification</code> and
        <code>certificateVerificationDepth</code> are correctly passed to the
        OpenSSL based SSLEngine implementation. (remm/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63859">63859</a>: Do not perform a blocking read after a
        <code>CPING</code> message is received by the AJP connector because, if
        the JK Connector is configured with
        <code>ping_mode="I"</code>, the <code>CPING</code> message
        will not always be followed by the start of a request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Properly calculate all dynamic parts of the ErrorReportValve response
        on the fly in
        <code>org.apache.coyote.http2.TestHttp2InitialConnection</code>.
        (michaelo)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.48_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63897">63897</a>: Capture the timestamp of a JSP for the purposes of
        modification tracking before the JSP is compiled to prevent a race
        condition if the JSP is modified during compilation. Patch provided by
        Karl von Randow. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a race condition that could mean changes to a modified JSP were not
        visible to end users. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.48_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63913">63913</a>: Wrap any <code>NullPointerException</code>s throw by
        the <code>Inflater</code> or <code>Deflater</code> used by the
        <code>PerMessageDeflate</code> extension in an <code>IOException</code>
        so that the error can be caught and handled by the WebSocket error
        handling mechanism. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.48_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the description of the default value for the server attribute in
        the security How-To. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.48_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63815">63815</a>: Quote the use of <code>CATALINA_OPTS</code> and
        <code>JAVA_OPTS</code> when used in shell scripts to avoid the expansion
        of <code>*</code>. Note that any newlines present in
        <code>CATALINA_OPTS</code> and/or <code>JAVA_OPTS</code> will no longer
        removed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63826">63826</a>: Remove <code>commons-daemon-native.tar.gz</code> and
        <code>tomcat-native.tar.gz</code> from the binary zip distributions for
        Windows since compiled versions of those components are already
        included within the zip distributions. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63838">63838</a>: Suppress reflexive access warnings when running the
        unit tests on the command line. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add missing charsets from the HPE JVM on HP-UX to pass unit tests in
        <code>org.apache.tomcat.util.buf.TestCharsetCache</code>. (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage and quality of the French translations provided
        with Apache Tomcat. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage and quality of the Korean translations provided
        with Apache Tomcat. (woonsan)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage and quality of the Simplified Chinese translations
        provided with Apache Tomcat. Contributions provided by rpo130, Mason
        Shen, leeyazhou, winsonzhao, qingshi huang, Lay, Shucheng Hou and
        Yanming Zhou. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.47_(markt)"><span id="Tomcat_8.5.47_(markt)_rtext" style="float: right;">2019-10-11</span> Tomcat 8.5.47 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.47_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use URL safe base 64 encoding rather than standard base 64 encoding when
        generating or parsing the <code>HTTP2-Settings</code> header as part of
        an HTTP upgrade to <code>h2c</code> as required by RFC 7540. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63765">63765</a>: NIO2 should try to unwrap after TLS handshake to
        avoid edge cases. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63766">63766</a>: Ensure Processor objects are recycled when processing
        an HTTP upgrade connection that terminates before processing switches to
        the Processor for the upgraded protocol. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.47_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63781">63781</a>: When performing various checks related to the
        visibility of classes, fields and methods in the EL implementation, also
        check that the containing module has been exported. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Web_Socket">Web Socket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63753">63753</a>: Ensure that the <code>Host</code> header in a Web
        Socket HTTP upgrade request only contains a port if a non-default port
        is being used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When running on Java 9 and above, don't attempt to instantiate WebSocket
        Endpoints found in modules that are not exported. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.47_(markt)/Web_Applications">Web Applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Docs: " class="icon" src="./images/docs.gif">
        Add Javadoc for the Common Annotations API implementation. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.47_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When connections are validated without an explicit validation query,
        ensure that any transactions opened by the validation process are
        committed. Patch provided by Pascal Davoust. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.47_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Deprecate <code>org.apache.tomcat.util.compat.TLS</code>.
        Its functionality was only used for unit tests in
        <code>org.apache.tomcat.util.net.TesterSupport</code>
        and has been moved there. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63759">63759</a>: When installing Tomcat with the Windows installer,
        grant sufficient privileges to enable the uninstaller to execute when
        user account control is active. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Use a build property to define the minimum supported Java version and
        use that build property to reduce the number of edits required to update
        the minimum supported Java version. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63767">63767</a>: Update to Commons Daemon 1.2.2. This corrects a
        regression in Commons Daemon 1.2.0 and 1.2.1 that caused the Windows
        Service to crash on start when running on an operating system that had
        not been fully updated. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.46_(markt)"><span id="Tomcat_8.5.46_(markt)_rtext" style="float: right;">2019-09-19</span> Tomcat 8.5.46 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.46_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63684">63684</a>: <code>Wrapper</code> never passed to
        <code>RealmBase.hasRole()</code> for given security constraints.
        (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a potential <code>NullPointerException</code> on Service stop if a
        Service is embedded directly (i.e. with no Server) in an application
        and JNDI is enabled. Patch provided by S. Ali Tokmen. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a new <code>PropertySource</code> implementation,
        <code>EnvironmentPropertySource</code>, that can be used to do property
        replacement in configuration files with environment variables. Based on
        a pull request provided by Thomas Meyer. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.46_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63682">63682</a>: Fix a potential hang when using the asynchronous
        Servlet API to write the response body and the stream and/or connection
        window reaches 0 bytes in size. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63690">63690</a>: Use the average of the current and previous sizes when
        calculating overhead for HTTP/2 <code>DATA</code> and
        <code>WINDOW_UPDATE</code> frames to avoid false positives as a result
        of client side buffering behaviour that causes a small percentage of
        non-final DATA frames to be smaller than expected. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63706">63706</a>: Avoid NPE accessing https port with plaintext. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct typos in the names of the configuration attributes
        <code>overheadDataThreshold</code> and
        <code>overheadWindowUpdateThreshold</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If the HTTP/2 connection requires an initial window size larger than the
        default, send a WINDOW_UPDATE to increase the flow control window for the
        connection so that the initial size of the flow control window for the
        connection is consistent with the increased value. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63710">63710</a>: When using HTTP/2, ensure that a
        <code>content-length</code> header is not set for those responses with
        status codes that do not permit one. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63737">63737</a>: Correct various issues when parsing the
        <code>accept-encoding</code> header to determine if gzip encoding is
        supported including only parsing the first header found. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.46_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the source code links on the index page for the ROOT web
        application to point to Git rather than Subversion. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix various issues with the Javadoc generated for the documentation web
        application to enable release builds to be built with Java 10 onwards.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a large number of Javadoc and documentation typos. Patch provided by
        KangZhiDong. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Spelling and formatting corrections for the cluster how-to. Pull request
        provided by Bill Mitchell. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.46_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Back-port various corrections and improvements to the English versions
        of the i18n messages. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Include the available German translations in the standard Tomcat
        distribution. Back-port additions and updates to the German i18n
        messages. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Back-port various corrections and improvements to the Spanish i18n
        messages. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Back-port various corrections and improvements to the French i18n
        messages. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Back-port various corrections and improvements to the Japanese i18n
        messages. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Back-port various corrections and improvements to the Russian i18n
        messages. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add Korean translations to the standard Tomcat distribution. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add Simplified Chinese translations to the standard Tomcat distribution.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62140">62140</a>: Additional usage documentation in comments for
        <code>catalina.[bat|sh]</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix <code>JSSE_OPTS</code> quoting in <code>catalina.bat</code>.
        Contributed by Peter Uhnak. (fschumacher)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63625">63625</a>: Update to Commons Daemon 1.2.1. This corrects several
        regressions in Commons Daemon 1.2.1, most notably the Windows Service
        crashing on start when using 32-bit JVMs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63689">63689</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63285">63285</a>
        that meant that when installing a service, the service display name was
        not set. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When performing a silent install with the Windows Installer, ensure that
        the registry entries are added to the 64-bit registry when using a
        64-bit JVM. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove unused i18n messages and associated translations. Patch provided
        by KangZhiDong. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.45_(markt)"><span id="Tomcat_8.5.45_(markt)_rtext" style="float: right;">2019-08-21</span> Tomcat 8.5.45 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.45_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove the code in the sendfile poller that ensured smaller pollsets
        were used with older, no longer supported versions of Windows that
        could not support larger pollsets. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.44_(markt)"><span id="Tomcat_8.5.44_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.44 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.44_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62258">62258</a>: Don't trigger the standard error page mechanism when
        the error has caused the connection to the client to be closed as no-one
        will ever see the error page. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62496">62496</a>: Add option to write auth information (remote user/auth type)
        to response headers. (michaelo)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=51497">51497</a>: Add an option, <code>ipv6Canonical</code>, to the
        <code>AccessLogValve</code> that causes IPv6 addresses to be output in
        canonical form defined by RFC 5952. (ognjen/markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57665">57665</a>: Add support for the <code>X-Forwarded-Host</code>
        header to the <code>RemoteIpFilter</code> and <code>RemoteIpValve</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63550">63550</a>: Only try the <code>alternateURL</code> in the
        <code>JNDIRealm</code> if one has been specified. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63556">63556</a>: Mark request as forwarded in RemoteIpValve and
        RemoteIpFilter (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63579">63579</a>: Correct parsing of malformed OPTIONS requests and
        reject them with a 400 response rather than triggering an internal error
        that results in a 500 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63608">63608</a>: Align the implementation of the negative match feature
        for patterns used with the <code>RewriteValve</code> with the
        description in the documentation. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63627">63627</a>: Implement more fine-grained handling in
        <code>RealmBase.authenticate(GSSContext, boolean)</code>. (michaelo)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If an unhandled exception occurs on a asynchronous thread started via
        <code>AsyncContext.start(Runnable)</code>, process it using the standard
        error page mechanism. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Discard large byte buffers allocated using setBufferSize when recycling
        the request. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct version information in <code>X-Powered-By</code> header. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a <code>NullPointerException</code> in the
        <code>CrawlerSessionManagerValve</code> if no ROOT Context is deployed
        and a request does not map to any of the other deployed Contexts. Patch
        provided by Jop Zinkweg. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63636">63636</a>: <code>Context.findRoleMapping()</code> never called
        in <code>StandardWrapper.findSecurityReference()</code>. (michaelo)
      </li>
     </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.44_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63524">63524</a>: Improve the handling of PEM file based keys and
        certificates that do not include a full certificate chain when
        configuring the internal, in-memory key store. Improve the handling of
        PKCS#1 formatted private keys when configuring the internal, in-memory
        key store. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63568">63568</a>: Avoid error when trying to set tcpNoDelay on socket
        types that do not support it, which can occur when using the NIO
        inherited channel capability. Submitted by František Kučera. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct parsing of invalid host names that contain bytes in the range
        128 to 255 and reject them with a 400 response rather than triggering an
        internal error that results in a 500 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63571">63571</a>: Allow users to configure infinite TLS session caches
        and/or timeouts. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63578">63578</a>: Improve handling of invalid requests so that 400
        responses are returned to the client rather than 500 responses. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix h2spec test suite failure. It is an error if a Huffman encoded
        string literal contains the EOS symbol. (jfclere)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Connections that fail the TLS handshake will now appear in the access
        logs with a 400 status code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Timeouts for HTTP/2 connections were not always correctly handled
        leaving some connections open for longer than expected. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the HTTP/2 excessive overhead protection to cover various forms
        of abusive client behaviour and close the connection if any such
        behaviour is detected. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a crash on shutdown with the APR/native connector when a blocking
        I/O operation was still in progress when the connector stopped. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.44_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63597">63597</a>: Update the custom 404 error page for the Host Manager
        to take account of previous refactoring so that the page is used for
        404 errors rather than falling back to the default error page. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.44_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=55969">55969</a>: Tighten up the security of the Apache Tomcat
        installation created by the Windows installer. Change the default
        shutdown port used by the Windows installer from <code>8005</code> to
        <code>-1</code> (disabled). Limit access to the chosen installation
        directory to local administrators, Local System and Local Service.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62696">62696</a>: The digital signature for the Windows installer now
        uses SHA-256 for hashes. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63285">63285</a>: Modify <code>service.bat</code> so that when
        installing a Windows service, by default, it changes the name of the
        executables used by the Windows service to match the service name. This
        makes the installation behaviour consistent with the Windows installer.
        The original executable names will be restored when the Windows service
        is removed. The renaming can be disabled by using the new
        <code>--no-rename</code> option after the service name. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Switch from Checkstyle to the JRE6 backport and update to version 8.22.
        This allows Tomcat 8.5 to use the newer Checkstyle releases while still
        building with Java 7. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63285">63285</a>: Add an option to <code>service.bat</code> so that when
        installing a Windows service, the name of the executables used by the
        Windows service may be changed to match the service name. This makes the
        installation behaviour consistent with the Windows installer. The
        original executable names will be restored when the Windows service is
        removed. The renaming can be enabled by using the new
        <code>--rename</code> option after the service name. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63310">63310</a>: Update to Commons Daemon 1.2.0. This provides improved
        support for Java 11. This also changes the user configured by the
        Windows installer for the Windows service from <code>Local System</code>
        to the lower privileged <code>Local Service</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63567">63567</a>: Restore the passing of <code>$LOGGING_MANAGER</code>
        to the jvm in <code>catalina.sh</code> when calling <code>stop</code>.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Codec to 3ebef4a (2018-08-01) to
        pick up the fix for CODEC-134. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Pool2 to 796e32d (2018-08-01) to
        pick up the changes Commons Pool2 2.7.0. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons DBCP2 to 87d9e3a (2018-08-01) to
        pick up the changes Commons DBCP2 2.7.0 and DBCP-555. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63648">63648</a>: Update the test TLS keys and certificates used in the
        test suite to replace the keys and certificates that are about to
        expire. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.43_(markt)"><span id="Tomcat_8.5.43_(markt)_rtext" style="float: right;">2019-07-09</span> Tomcat 8.5.43 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.43_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Modify the Default and WebDAV Servlets so that a 405 status code is
        returned for <code>PUT</code> and <code>DELETE</code> requests when
        disabled via the <code>readonly</code> initialisation parameter.
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Align the contents of the <code>Allow</code> header with the response
        code for the Default and WebDAV Servlets. For any given resource a
        method that returns a 405 status code will not be listed in the
        <code>Allow</code> header and a method listed in the <code>Allow</code>
        header will not return a 405 status code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using WebDAV to copy a file resource to a destination that requires
        a collection to be overwritten, ensure that the operation succeeds
        rather than fails (with a 500 response). This enables Tomcat to pass two
        additional tests from the Litmus WebDAV test suite. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=49464">49464</a>: Improve the Default Servlet's handling of static files
        when the file encoding is not compatible with the required response
        encoding. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">Fix typo in UTF-32LE charset name. Patch by zhanhb vi Github.
        (fschumacher)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58590">58590</a>: Add the ability for a UserDatabase to monitor the
        backing XML file for changes and reload the source file if a change in
        the last modified time is detected. This is enabled by default meaning
        that changes to <code>$CATALINA_BASE/conf/tomcat-users.xml</code> will
        now take effect a short time after the file is saved. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve parsing of Range request headers. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Range headers that specify a range unit Tomcat does not recognise should
        be ignored rather than triggering a 416 response. Based on a pull
        request by zhanhb. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When comparing a date from a <code>If-Range</code> header, an exact
        match is required. Based on a pull request by zhanhb. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add an option to the default servlet to disable processing of PUT
        requests with Content-Range headers as partial PUTs. The default
        behaviour (processing as partial PUT) is unchanged. Based on a pull
        request by zhanhb. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve parsing of Content-Range headers. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the HEAD response is consistent with the GET response when
        <code>HttpServlet</code> is relied upon to generate the HEAD response
        and the GET response uses chunking. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the recommended minimum Tomcat Native version to 1.2.23. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.43_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a potential hang when a client connects using TLS 1.0 to a Tomcat
        HTTPS connector configured to use NIO or NIO with OpenSSL 1.1.1 or
        later. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Once a URI is identified as invalid don't attempt to process it further.
        Based on a PR by Alex Repert. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix to avoid the possibility of long poll times for individual pollers
        when using multiple pollers with APR. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63205">63205</a> so it only applies when using
        PKCS12 keystores as regressions have been reported with some other
        keystore types. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.43_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Include file names in error messages if SMAP processor is unable to
        delete or rename a class file during SMAP generation. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.43_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63521">63521</a>: As required by the WebSocket specification, if a POJO
        that is deployed as a result of the SCI scan for annotated POJOs is
        subsequently deployed via the programmatic API ignore the programmatic
        deployment. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.43_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Switch i18n message files to use UTF-8 and convert to ASCII at build
        time. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63523">63523</a>: Restore SSLUtilBase methods as protected to preserve
        compatibility. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Switch the check for terminal availability to test for stdin as using
        stdout does not work when output is piped to another process. Patch
        provided by Radosław J&oacute;zwik. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.42_(markt)"><span id="Tomcat_8.5.42_(markt)_rtext" style="float: right;">2019-06-07</span> Tomcat 8.5.42 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.42_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57287">57287</a>: Add file sorting to DefaultServlet (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the default servlet reads the entire global XSLT file if
        one is defined. Identified by Coverity Scan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid potential <code>NullPointerException</code> when generating an
        HTTP <code>Allow</code> header. Identified by Coverity Scan. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Remove any fragment included in the target path used to obtain a
        <code>RequestDispatcher</code>. The requested target path is logged as a
        warning since this is an application error. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.42_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add additional NIO2 style read and write methods closer to core NIO2,
        for possible use with an asynchronous workflow like CompletableFuture.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid useless exception wrapping in async IO. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63412">63412</a>: Security manager failure when using the async IO
        API from a webapp. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix concurrency issue that lead to incorrect HTTP/2 connection timeout.
        (remm/markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Reduce the default for <code>maxConcurrentStreams</code> on the
        <code>Http2Protocol</code> from 200 to 100 to align with typical
        defaults for HTTP/2 implementations. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Reduce the default HTTP/2 header list size from 4GB to 32kB to align
        with typical HTTP/2 implementations. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for same-site cookie attribute. Patch provided by John
        Kelly. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a bug in the stream flushing code that could lead to multiple
        threads processing the stream concurrently which in turn could cause
        errors processing the stream. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.42_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62841">62841</a>: Refactor the <code>DeltaRequest</code> serialization
        to reduce the window during which the <code>DeltaSession</code> is
        locked and to remove a potential cause of deadlocks during
        serialization. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63441">63441</a>: Further streamline the processing of session creation
        messages in the <code>DeltaManager</code> to reduce the possibility of a
        session update message being processed before the session has been
        created. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.42_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Treat <code>NoRouteToHostException</code> the same way as
        <code>SocketTimeoutException</code> when checking the health of group
        members. This avoids a SEVERE log message every time the check is
        performed when the host associated with a group member is not powered
        on. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.42_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Switch from FindBugs to SpotBugs. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63403">63403</a>: Fix TestHttp2InitialConnection test failures when
        running with a non-English locale. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use the <code>test</code> command to check for terminal availability
        rather than the <code>tty</code> command since the <code>tty</code>
        based test fails on non-English locales. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.41_(markt)"><span id="Tomcat_8.5.41_(markt)_rtext" style="float: right;">2019-05-13</span> Tomcat 8.5.41 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.41_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential resource leak when executing CGI scripts from a WAR
        file. Identified by Coverity scan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential concurrency issue in the StringCache identified by
        Coverity scan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential concurrency issue in the main Sendfile thread of the APR
        connector. Identified by Coverity scan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential resource leak when running a web application from a WAR
        file. Identified by Coverity scan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential resource leak on some exception paths in the
        <code>DataSourceRealm</code>. Identified by Coverity scan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential resource leak on an exception path when parsing JSP
        files. Identified by Coverity scan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential resource leak when a JNDI lookup returns an object of an
        in compatible class. Identified by Coverity scan. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor <code>ManagerServlet</code> to avoid loading classes when
        filtering JNDI resources for resources of a specified type. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid <code>OutOfMemoryError</code>s and
        <code>ArrayIndexOutOfBoundsException</code>s when accessing large files
        via the default servlet when resource caching has been disabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a <code>NullPointerException</code> when a <code>Context</code> is
        defined in <code>server.xml</code> with a <code>docBase</code> but not
        the optional <code>path</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63324">63324</a>: Refactor the <code>CrawlerSessionManagerValve</code>
        so that the object placed in the session is compatible with session
        serialization with mem-cached. Patch provided by Martin Lemanski.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63333">63333</a>: Override the <code>isAvailable()</code> method in the
        <code>JAASRealm</code> so that only login failures caused by invalid
        credentials trigger account lock out when the <code>LockOutRealm</code>
        is in use. Patch provided by jchobantonov. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.41_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When running on newer JREs that don't support SSLv2Hello, don't warn
        that it is not available unless explicitly configured. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor Hostname validation to improve performance. Patch provided by
        Uwe Hees. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Expand HTTP/2 timeout handling to include connection window exhaustion
        on write. This is the fix for CVE-2019-10072. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.41_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63335">63335</a>: Ensure that stack traces written by the
        <code>OneLineFormatter</code> are fully indented. The entire stack trace
        is now indented by an additional TAB character. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using the <code>OneLineFormatter</code>, don't print a blank line
        in the log after printing a stack trace. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons DBCP 2 to dcdbc72
        (2019-04-24) to pick up some clean-up and enhancements less the JDBC 4.2
        related changes that require Java 8. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons Pool 2 to 0664f4d
        (2019-04-30) to pick up some enhancements and bug fixes. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons FileUpload to 41e4047
        (2019-04-24) pick up some enhancements. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.40_(markt)"><span id="Tomcat_8.5.40_(markt)_rtext" style="float: right;">2019-04-12</span> Tomcat 8.5.40 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.40_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63196">63196</a>: Provide a default (<code>X-Forwarded-Proto</code>) for
        the <code>protocolHeader</code> attribute of the
        <code>RemoteIpFilter</code> and <code>RemoteIpValve</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63235">63235</a>: Refactor Charset cache to reduce start time. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63249">63249</a>: Use a consistent log level (<code>WARN</code>) when
        logging the failure to register or deregister a JMX Bean. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63249">63249</a>: Use a consistent log level (<code>ERROR</code>) when
        logging the <code>LifecycleException</code> associated with the failure
        to start or stop a component. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When the SSI directive <code>fsize</code> is used with an invalid
        target, return a file size of <code>-</code> rather than
        <code>1k</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63251">63251</a>: Implement a work-around for a known JRE bug (<a href="https://bugs.openjdk.java.net/browse/JDK-8194653">JDK-8194653</a>)
        that may cause a dead-lock when Tomcat starts. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63275">63275</a>: When using a <code>RequestDispatcher</code> ensure
        that <code>HttpServletRequest.getContextPath()</code> returns an encoded
        path in the dispatched request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63286">63286</a>: Document the differences in behaviour between the
        <code>LogFormat</code> directive in httpd and the <code>pattern</code>
        attribute in the <code>AccessLogValve</code> for <code>%D</code> and
        <code>%T</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63311">63311</a>: Add support for https URLs to the local resolver within
        Tomcat used to resolve standard XML DTDs and schemas when Tomcat is
        configured to validate XML configuration files such as web.xml. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Encode the output of the SSI <code>printenv</code> command. This is the
        fix for CVE-2019-0221. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Use constants for SSI encoding values. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When the CGI Servlet is configured with
        <code>enableCmdLineArguments</code> set to true, limit the encoded form
        of the individual command line arguments to those values allowed by RFC
        3875. This restriction may be relaxed by the use of the new
        initialisation parameter <code>cmdLineArgumentsEncoded</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When the CGI Servlet is configured with
        <code>enableCmdLineArguments</code> set to true, limit the decoded form
        of the individual command line arguments to known safe values when
        running on Windows. This restriction may be relaxed by the use of the
        new initialisation parameter <code>cmdLineArgumentsDecoded</code>. This
        is the fix for CVE-2019-0232. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Change the default for the <code>enableCmdLineArguments</code> parameter
        of the CGI servlet from <code>true</code> to <code>false</code> as
        additional hardening against CVE-2019-0232. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.40_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix bad interaction between NIO2 async read API and the regular read.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor NIO2 write pending strategy for the classic IO API. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Harmonize NIO2 isReadyForWrite with isReadyForRead code. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using a JSSE TLS connector that supported ALPN (Java 9 onwards) and
        a protocol was not negotiated, Tomcat failed to fallback to HTTP/1.1 and
        instead dropped the connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the TLS connector refactoring in Tomcat 9.0.17
        that prevented the use of PKCS#8 private keys with OpenSSL based
        connectors. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When performing an upgrade from HTTP/1.1 to HTTP/2, ensure that any
        query string present in the original HTTP/1.1 request is passed to the
        HTTP/2 request processing. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When Tomcat writes a final response without reading all of an HTTP/2
        request, reset the stream to inform the client that the remaining
        request body is not required. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63312">63312</a>: Correct a regression in the error page handling that
        prevented error pages from issuing redirects or taking other action that
        required the response status code to be changed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.40_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 11 (with the value <code>11</code>) as
        the compiler source and/or compiler target for JSP compilation. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for specifying Java 12 (with the value <code>12</code>) and
        Java 13 (with the value <code>13</code>) as the compiler source and/or
        compiler target for JSP compilation. If used with an ECJ version that
        does not support these values, a warning will be logged and the latest
        supported version will used. Based on a patch by Thomas Collignon.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.40_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the handling of exceptions during TLS handshakes for the
        WebSocket client. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.40_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63184">63184</a>: Expand the SSI documentation to provide more
        information on the supported directives and their attributes. Patch
        provided by nightwatchcyber. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a note to the documentation about the risk of DoS with poorly
        written regular expressions and the <code>RewriteValve</code>. Patch
        provided by salgattas. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.40_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63320">63320</a>: Ensure that <code>StatementCache</code> caches
        statements that include arrays in arguments. (kfujino)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.39_(markt)"><span id="Tomcat_8.5.39_(markt)_rtext" style="float: right;">2019-03-19</span> Tomcat 8.5.39 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.39_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Minor HTTP/2 push fixes. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor how cookies are transferred from the base request to a
        <code>PushBuilder</code> so that they are accessible, and may be edited,
        via the standard <code>PushBuilder</code> methods for working with HTTP
        headers. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Refactor error handling to enable errors that occur before processing is
        passed to the application to be handled by the application provided
        error handling and/or the container provided error handling
        (<code>ErrorReportValve</code>) as appropriate. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Pass 404 errors triggered by a missing ROOT web application to the
        container error handling to generate the response body. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Pass 400 errors triggered by invalid request targets to the container
        error handling to generate the response body. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Pass errors triggered by invalid requests or unavailable services to the
        application provided error handling and/or the container provided error
        handling (<code>ErrorReportValve</code>) as appropriate. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the MBean implementations for the internal Tomcat components
        to reduce code duplication. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Simplify the value of <code>jarsToSkip</code> property in
        <code>catalina.properties</code> file for tomcat-i18n jar files.
        Use prefix pattern instead of listing each language. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Restore the getter and setter for the access log valve attribute
        <code>maxLogMessageBufferSize</code> that were accidentally removed.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63206">63206</a>: Add a new attribute to <code>Context</code> -
        <code>createUploadTargets</code> which, if <code>true</code> enables
        Tomcat to create the temporary upload location used by a Servlet if the
        location specified by the Servlet does not already exist. The default
        value is <code>false</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63210">63210</a>: Ensure that the Apache Commons DBCP 2 based default
        connection pool is correctly shutdown when it is no longer required.
        This ensures that a non-daemon thread is not left running that will
        prevent Tomcat from shutting down cleanly. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63213">63213</a>: Ensure the correct escaping of group names when
        searching for nested groups when the JNDIRealm is configured with
        <code>roleNested</code> set to <code>true</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63236">63236</a>: Use <code>String.intern()</code> as suggested by
        Phillip Webb to reduce memory wasted due to String duplication. This
        changes saves ~245k when starting a clean installation. With additional
        thanks to YourKit Java profiler for helping to track down the wasted
        memory and the root causes. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63246">63246</a>: Fix a potential <code>NullPointerException</code> when
        calling <code>AsyncContext.dispatch()</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.39_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the <code>toString()</code>, <code>toBytes()</code> and
        <code>toChars()</code> methods of <code>MessageBytes</code> behave
        consistently and do not throw a <code>NullPointerException</code> both
        on newly created objects and immediately after a call to
        <code>recycle()</code>. This should not impact typical Tomcat users. It
        may impact users who use these classes directly in their own code.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When performing an HTTP/1.1 upgrade to HTTP/2 (h2c) ensure that the hostname
        and port from the HTTP/1.1 Host header of the upgraded request are made
        available via the standard methods
        <code>ServletRequest.getServerName()</code> and
        <code>ServletRequest.getServerPort()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make PEM file parser a public utility class. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the APR/Native endpoint TLS configuration code to enable JSSE
        style configuration - including JKS keystores - to be used with the
        APR/Native connector. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        With the TLS configuration refactoring, the configuration attributes
        <code>sessionCacheSize</code> and <code>sessionTimeout</code> are no
        longer limited to JSSE implementations. They may now be used with
        OpenSSL implementations as well. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor NIO2 read pending strategy for the classic IO API. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63182">63182</a>: Avoid extra read notifications for HTTP/1.1 with
        NIO2 when using asynchronous threads. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63205">63205</a>: Add a work-around for a known
        <a href="https://bugs.openjdk.java.net/browse/JDK-8157404">JRE KeyStore
        loading bug</a>. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Sync with NIO2 async API from Tomcat 9 branch. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        NIO2 should try to use SocketTimeoutException everywhere rather than a
        mix of it and InterruptedByTimeout. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct an error in the request validation that meant that HTTP/2 push
        requests always resulted in a 400 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63223">63223</a>: Correctly account for push requests when tracking
        currently active HTTP/2 streams. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Verify HTTP/2 stream is still writable before assuming a timeout
        occurred. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid some overflow cases with OpenSSL to improve efficiency, as the
        OpenSSL engine has an internal buffer. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Harmonize HTTP/1.1 NIO2 keepalive code. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.39_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove the <code>STREAMS_DROP_EMPTY_MESSAGES</code> system property that
        was introduced to work-around four failing TCK tests. An alternative
        solution has been implemented. Sending messages via
        <code>getSendStream()</code> and <code>getSendWriter()</code> will now
        only result in messages on the wire if data is written to the
        <code>OutputStream</code> or <code>Writer</code>. Writing zero length
        data will result in an empty message. Note that sending a message via an
        <code>Encoder</code> may result in the message being send via
        <code>getSendStream()</code> or <code>getSendWriter()</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.39_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use client's preferred language for the Server Status page of the
        Manager web application. Review and fix several cases when the
        client's language preference was not respected in Manager and
        Host Manager web applications. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix messages used by Manager and Host Manager web applications.
        Disambiguate message keys used when adding or removing a host.
        Improve display of summary values on the status page: separate
        terms and values with a whitespace. Improve wording of messages
        for expire sessions command. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not add CSRF nonce parameter and suppress Referer header for external
        links in Manager and Host Manager web applications. (kkolinko)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.39_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that members registered in the addSuspects list are static
        members. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.39_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the coverage and quality of the Russian translations provided
        with Apache Tomcat. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63041">63041</a>: Revert the changes for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53930">53930</a> that added
        support for the <code>CATALINA_OUT_CMD</code> environment variable as
        they prevented correct operation with systemd configurations that did
        not explicitly specify a PID file. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.38_(markt)"><span id="Tomcat_8.5.38_(markt)_rtext" style="float: right;">2019-02-08</span> Tomcat 8.5.38 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.38_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=54741">54741</a>: Add a new method,
        <code>Tomcat.addWebapp(String,URL)</code>, that allows a web application
        to be deployed from a URL when using Tomcat in embedded mode. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the <code>ServletOutputStream</code> implementation is
        consistent with the requirements of asynchronous I/O and that all of the
        write methods use a single write rather than multiple writes. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the Javadoc for <code>Context.getDocBase()</code> and
        <code>Context.setDocBase()</code> and remove text that indicates that a
        URL may be used for the <code>docBase</code> as this has not been the
        case for quite some time. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Ensure that Tomcat is fully terminated when running as a service.
        (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Treat I/O errors during request body reads the same way as I/O errors
        during response body writes. The errors are treated as client side
        errors rather than server side errors and only logged at debug level.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63038">63038</a>: Ensure that a <code>ClassNotFoundException</code> is
        thrown when attempting to load a class from a corrupted JAR file.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make the removal of leading and trailing whitespace from credentials
        passed to BASIC authentication configurable via a new attribute,
        <code>trimCredentials</code> on the <code>BasicAuthenticator</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63003">63003</a>: Extend the <code>unloadDelay</code> attribute on a
        <code>Context</code> to include in-flight asynchronous requests. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63026">63026</a>: Add a new attribute, <code>forceDnHexEscape</code>, to
        the <code>JNDIRealm</code> that forces escaping in the String
        representation of a distinguished name to use the <code>\nn</code> form.
        This may avoid issues with realms using Active Directory which appears
        to be more tolerant of optional escaping when the <code>\nn</code> form
        is used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a swallowed (and therefore ignored) access failure during web
        application class loading when running under a
        <code>SecurityManager</code>. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the recommended minimum Tomcat Native version to 1.2.21. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63137">63137</a>: If the resources for a web application have been
        configured with multiple locations mapped to
        <code>/WEB-INF/classes</code>, ensure that all of those locations are
        used when building the web application class path. Patch provided by
        Marcin Gołębski. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.38_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63009">63009</a>: Include the optional <code>content-length</code>
        header in HTTP/2 responses where an appropriate value is available.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63022">63022</a>: Do not use the socket open state when using the
        wrapper isClosed method for NIO and NIO2, as it will disable all
        further processing. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix socket close discrepancies for NIO2, now the wrapper close
        is used everywhere except for socket accept problems. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.38_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63056">63056</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53737">53737</a>
        that did not correctly scan the web application directory structure for
        JSPs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the performance optimisation for using expressions in tags that
        depend on uninitialised tag attributes with implied scope to make the
        performance optimisation aware of the new public class
        (<code>java.lang.Enum$EnumDesc</code>) added in Java 12. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.38_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57974">57974</a>: Ensure implementation of
        <code>Session.getOpenSessions()</code> returns correct value for both
        client-side and server-side calls. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63019">63019</a>: Use payload remaining bytes rather than limit when
        writing. Submitted by Benoit Courtilly. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When running under a <code>SecurityManager</code>, ensure that the
        <code>ServiceLoader</code> look-up for the default
        <code>javax.websocket.server.ServerEndpointConfig.Configurator</code>
        implementation completes correctly rather than silently using the
        hard-coded fall-back. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the network connection is closed if the client receives an
        I/O error trying to communicate with the server. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ignore synthetic methods when scanning POJO methods. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement the requirements of section 5.2.1 of the WebSocket 1.1
        specification and ensure that if the deployment of one Endpoint fails,
        no Endpoints are deployed for that web application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement the requirements of section 4.3 of the WebSocket 1.1
        specification and ensure that the deployment of an Endpoint fails if
        <code>@PathParam</code> is used with an invalid parameter type. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure a <code>DeploymentException</code> rather than an
        <code>IllegalArgumentException</code> is thrown if a method annotated
        with <code>@OnMessage</code> does not conform to the requirements set
        out in the Javadoc. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve algorithm that determines if two <code>@OnMessage</code>
        annotations have been added for the same message type. Prior to this
        change some matches were missed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.38_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63103">63103</a>: Remove the unused source.jsp file and associated tag
        from the examples web application as it is no longer used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63143">63143</a>: Ensure that the Manager web application respects the
        language preferences of the user as configured in the browser when the
        language of the default system locale is not English. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.38_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add EncryptInterceptor to the portfolio of available clustering
        interceptors. This adds symmetric encryption of session data
        to Tomcat clustering regardless of the type of cluster manager
        or membership being used. (schultz)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.21 to
        pick up the memory leak fixes when using NIO/NIO2 with OpenSSL. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.38_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63041">63041</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53930">53930</a>
        that prevented Tomcat from working correctly with systemd. Patch
        provided by Patrik S. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the NSIS Installer used to build the Windows installer to version
        3.04. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.37_(markt)"><span id="Tomcat_8.5.37_(markt)_rtext" style="float: right;">2018-12-18</span> Tomcat 8.5.37 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.37_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the recommended minimum Tomcat Native version to 1.2.19. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.37_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.19 to
        pick up the latest Windows binaries built with APR 1.6.5 and OpenSSL
        1.1.1a. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.36_(markt)"><span id="Tomcat_8.5.36_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.36 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.36_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62788">62788</a>: Add explicit logging configuration to write log files
        using UTF-8 to align with Tomcat's use of UTF-8 by default
        elsewhere. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        The default Servlet should not override a previously set content-type.
        (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62897">62897</a>: Provide a property
        (<code>clearReferencesThreadLocals</code>) on the standard
        <code>Context</code> implementation that enables the check for memory
        leaks via <code>ThreadLocal</code>s to be disabled because this check
        depends on the use of an API that has been deprecated in later versions
        of Java. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix more storeconfig issues with duplicated SSL attributes. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62968">62968</a>: Avoid unnecessary (and relatively expensive)
        <code>getResources()</code> call in the Mapper when processing rule 7.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62978">62978</a>: Update the RemoteIpValve to handle multiple values in
        the <code>x-forwarded-proto</code> header. Patch provided by Tom Groot.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the RemoteIpFilter to handle multiple values in the
        <code>x-forwarded-proto</code> header. Based on a patch provided by Tom
        Groot. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62986">62986</a>: Refactor the code that performs class scanning during
        web application start to make integration simpler for downstream users.
        Patch provided by rmannibucau. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62988">62988</a>: Fix the <code>LoadBalancerDrainingValve</code> so it
        works when the session cookie configuration is not explicitly declared.
        Based on a patch provided by Andreas Kurth. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=63002">63002</a>: Fix setting rewrite qsdiscard flag. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement the requirements of section 8.2.2 2c of the Servlet
        specification and prevent a web application from deploying if it has
        fragments with duplicate names and is configured to use relative
        ordering of fragments. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.36_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid an exception when using Tomcat Native built with a version of
        OpenSSL that does not support TLSv1.3. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62899">62899</a>: Prevent the incorrect timing out of connections when
        Servlet non-blocking I/O is used to read a request body over an HTTP/2
        stream. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid bad SSLHostConfig JMX registrations before init. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.36_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53737">53737</a>: Extend JspC, the precompilation tool, to include
        support for resource JARs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62976">62976</a>: Avoid an <code>IllegalStateException</code> when using
        background compilation when tag files are packaged in JAR files. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.36_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62918">62918</a>: Filter out subtype mbeans to avoid breaking the
        connector status page. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.36_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Prevent an error when running in a Cygwin shell and the
        <code>JAVA_ENDORSED_DIRS</code> system property is empty. Patch provided
        by Zemian Deng. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53930">53930</a>: Add support for the <code>CATALINA_OUT_CMD</code>
        environment variable that defines a command to which captured stdout and
        stderr will be redirected. Patch provided by Casey Lucas. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.35_(markt)"><span id="Tomcat_8.5.35_(markt)_rtext" style="float: right;">2018-11-07</span> Tomcat 8.5.35 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.35_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61692">61692</a>: Add the ability to control which HTTP methods are
        handled by the CGI Servlet via a new initialization parameter
        <code>cgiMethods</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62687">62687</a>: Expose content length information for resources
        when using a compressed war. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62737">62737</a>: Fix rewrite substitutions parsing of {} nesting.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add rewrite flags output when getting the rewrite configuration back.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add missing qsdiscard flag to the rewrite flags as a cleaner way to
        discard the query string. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add documentation about the files <code>context.xml.default</code> and
        <code>web.xml.default</code> that can be used to customize <code>conf/context.xml</code>
        and <code>conf/web.xml</code> on a per host basis. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that a canonical path is always used for the docBase of a Context
        to ensure consistent behaviour. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62803">62803</a>: Fix SSL connector configuration processing
        in storeconfig. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62797">62797</a>: Pass throwable to keep client aborts with status 200
        rather than 500. Patch submitted by zikfat. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62809">62809</a>: Correct a regression in the implementation of DIGEST
        authentication support for the Deployer Ant tasks (bug <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=45832">45832</a>)
        that prevented the <code>DeployTask</code> from working when
        authentication was required. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the recommended minimum Tomcat Native version to 1.2.18. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Ignore an attribute named <code>source</code> on <code>Context</code>
        elements provided by <code>StandardContext</code>. This is to suppress
        warnings generated by the Eclipse / Tomcat integration provided by
        Eclipse. Based on a patch by mdfst13. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62830">62830</a>: Added <code>JniLifeCycleListener</code> and static
        methods <code>Library.loadLibrary(libraryName)</code> and
        <code>Library.load(filename)</code> to load a native library by a
        shared class loader so that more than one Webapp can use it. (isapir)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a typo in the Spanish resource files. Patch provided by Diego
        Agull&oacute;. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62868">62868</a>: Order the <code>Enumeration&lt;URL&gt;</code> provided
        by <code>WebappClassLoaderBase.getResources(String)</code> according to
        the setting of the delegate flag. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.35_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add TLSv1.3 to the default protocols and to the <code>all</code>
        alias for JSSE based TLS connectors when running on a JVM that
        supports TLS version 1.3. One such JVM is OpenJDK version 11. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62685">62685</a>: Correct an error in host name validation parsing that
        did not allow a fully qualified domain name to terminate with a period.
        Patch provided by AG. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62739">62739</a>: Do not reject requests with an empty HTTP Host header.
        Such requests are unusual but not invalid. Patch provided by Michael
        Orr. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62748">62748</a>: Add TLS 1.3 support for the APR/Native connector and
        the NIO/NIO2 connector when using the OpenSSL backed JSSE
        implementation. (schultz/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62791">62791</a>: Remove an unnecessary check in the NIO TLS
        implementation that prevented from secure WebSocket connections from
        being established. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix server initiated TLS renegotiation to obtain a client certificate
        when using NIO/NIO2 and the OpenSSL backed JSSE TLS implementation.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62871">62871</a>: Improve MBeans for Endpoint instances (type
        <code>ThreadPool</code> in JMX) by using explicit declaration of
        attributes and operations rather than relying on introspection. Add a
        new MBean to expose the <code>Socketproperties</code> values. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.35_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct parsing of XML whitespace in TLD function signatures that
        incorrectly only looked for the space character. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62674">62674</a>: Correct a regression in the stand-alone JSP compiler
        utility, <code>JspC</code>, caused by the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53492">53492</a>, that
        caused the JSP compiler to hang. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62721">62721</a>: Correct generation of web.xml header when using JspC.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62757">62757</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62603">62603</a>
        that caused <code>NullPointerException</code>s when compiling tag files
        on first access when development mode was disabled and background
        compilation was enabled. Based on a patch by Jordi Llach. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.35_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62731">62731</a>: Make the URI returned by
        <code>HandshakeRequest.getRequestURI()</code> and
        <code>Session.getRequestURI()</code> absolute so that the scheme, host
        and port are accessible. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.35_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62676">62676</a>: Expand the CORS filter documentation to make it clear
        that explicit configuration is required to enable support for
        cross-origin requests. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62712">62712</a>: Correct NPE in Manager application when attempting to
        view configured certificates for an APR/native TLS connector. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62761">62761</a>: Correct the advanced CORS example in the Filter
        documentation to use a valid configuration. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62786">62786</a>: Add a note to the Context documentation to explain
        that, by default, settings for a Context element defined in server.xml
        will be overwritten by settings specified in a default context file such
        as <code>conf/context.xml</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Create a little visual separation between the Undeploy button and the
        other buttons in the Manager application. Patch provided by Łukasz
        Jąder. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.35_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons Pool 2 to d4e0e88
        (2018-09-12) to pick up some bug fixes and enhancements. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.18 to
        pick up the latest Windows binaries built with APR 1.6.5 and OpenSSL
        1.1.1. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.34_(markt)"><span id="Tomcat_8.5.34_(markt)_rtext" style="float: right;">2018-09-10</span> Tomcat 8.5.34 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.34_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make the <code>isLocked()</code> method of the <code>LockOutRealm</code>
        public and expose the method via JMX. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the handling of path parameters when working with
        RequestDispatcher objects. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62664">62664</a>: Process requests with content type
        <code>multipart/form-data</code> to servlets with a
        <code>@MultipartConfig</code> annotation regardless of HTTP method.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62667">62667</a>: Add recursion to rewrite substitution parsing. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62669">62669</a>: When using the SSIFilter and a resource does not
        specify a content type, do not force the content type to
        <code>application/x-octet-stream</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62670">62670</a>: Adjust the memory leak protection for the
        <code>DriverManager</code> so that JDBC drivers located in
        <code>$CATALINA_HOME/lib</code> and <code>$CATALINA_BASE/lib</code> are
        loaded via the service loader mechanism when the protection is enabled.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When generating a redirect to a directory in the Default Servlet, avoid
        generating a protocol relative redirect. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.34_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix potential deadlocks when using asynchronous Servlet processing with
        HTTP/2 connectors. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62620">62620</a>: Fix corruption of response bodies when writing large
        bodies using asynchronous processing over HTTP/2. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62628">62628</a>: Additional fixes for output corruption of response
        bodies when writing large bodies using asynchronous processing over
        HTTP/2. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.34_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the JSP version in the X-PoweredBy HTTP header generated when
        the xpoweredBy option is enabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62662">62662</a>: Fix the corruption of web.xml output during JSP
        compilation caused by the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53492">53492</a>. Patch provided by
        Bernhard Frauendienst. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.34_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the information in the documentation web application regarding
        the use of <code>CATALINA_HOME</code> and <code>CATALINA_BASE</code>.
        Patch provided by Marek Czernek. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62652">62652</a>: Make it clearer that the version of DBCP that is
        packaged in Tomcat 8.5.x is DBCP 2. Correct the names of some DBCP 2
        configuration attributes that changed between 1.x and 2.x. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62666">62666</a>: Expand internationalisation support in the Manager
        application to include the server status page and provide Russian
        translations in addition to English. Patch provided by Artem Chebykin.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.34_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Switch the build script to use http for downloads from an ASF mirror
        using the closer.lua script to avoid failures due to HTTPS to HTTP
        redirects. (rjung)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.33_(markt)"><span id="Tomcat_8.5.33_(markt)_rtext" style="float: right;">2018-08-17</span> Tomcat 8.5.33 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.33_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the HTTP Vary header is set correctly when using the CORS
        filter and improve the cacheability of requests that pass through the
        COPRS filter. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62527">62527</a>: Revert restriction of JNDI to the <code>java:</code>
        namespace. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Introduce a new class - <code>MultiThrowable</code> - to report
        exceptions when multiple actions are taken where each action may throw
        an exception but all actions are taken before any errors are reported.
        Use this new class when reporting multiple container (e.g. web
        application) failures during start. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly decode URL paths (<code>+</code> should not be decoded to a
        space in the path) in the <code>RequestDispatcher</code> and the web
        application class loader. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make logout more robust if JASPIC subject is unexpectedly unavailable.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62547">62547</a>: JASPIC <code>cleanSubject()</code> was not called on
        logout when the authenticator was configured to cache the authenticated
        Principal. Patch provided by Guillermo Gonz&aacute;lez de Ag&uuml;ero. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62559">62559</a>: Add <code>jaxb-*.jar</code> to the list of JARs
        ignored by <code>StandardJarScanner</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62560">62560</a>: Add <code>oraclepki.jar</code> to the list of JARs
        ignored by <code>StandardJarScanner</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62607">62607</a>: Return a non-zero exit code from
        <code>catalina.[bat|sh] run</code> if Tomcat fails to start. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove <code>ServletException</code> from declaration of
        <code>Tomcat.addWebapp(String,String)</code> since it is never thrown.
        Patch provided by Tzafrir. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use short circuit logic to prevent potential NPE in CorsFilter. (fschumacher)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Simplify construction of appName from container name in JAASRealm. (fschumacher)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.33_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60560">60560</a>: Add support for using an inherited channel to
        the NIO connector. Based on a patch submitted by Thomas Meyer with
        testing and suggestions by Coty Sutherland. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62507">62507</a>: Ensure that JSSE based TLS connectors work correctly
        with a DKS keystore. Note: DKS keystores require Java 8 or later.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor code that adds an additional header name to the
        <code>Vary</code> HTTP response header to use a common utility method
        that addresses several additional edge cases. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62515">62515</a>: When a connector is configured (via setting
        <code>bindOnInit</code> to <code>false</code>) to bind/unbind the server
        socket during start/stop, close the socket earlier in the stop process
        so new connections do not sit in the TCP backlog during the shutdown
        process only to be dropped as stop completes. In this scenario new
        connections will now be refused immediately. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62526">62526</a>: Correctly handle PKCS12 format key stores when the key
        store password is configured to be the empty string. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix error in back-port of HTTP/2 compression that meant compression was
        never enabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62605">62605</a>: Ensure <code>ReadListener.onDataAvailable()</code> is
        called when the initial request body data arrives after the request
        headers when using asynchronous processing over HTTP/2. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62614">62614</a>: Ensure that
        <code>WriteListener.onWritePossible()</code> is called after
        <code>isReady()</code> returns <code>false</code> and the window size is
        subsequently incremented when using asynchronous processing over HTTP/2.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.33_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53011">53011</a>: When pre-compiling with JspC, report all compilation
        errors rather than stopping after the first error. A new option
        <code>-failFast</code> can be used to restore the previous behaviour of
        stopping after the first error. Based on a patch provided by Marc Pompl.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53492">53492</a>: Make the Java file generation process multi-threaded.
        By default, one thread will be used per core. Based on a patch by Dan
        Fabulich. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62453">62453</a>: Add a performance optimisation for using expressions
        in tags that depend on uninitialised tag attributes with implied scope.
        Generally, using an explicit scope with tag attributes in EL is the best
        way to avoid various potential performance issues. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly decode URL paths (<code>+</code> should not be decoded to a
        space in the path) in the Jasper class loader. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62603">62603</a>: Fix a potential race condition when development mode
        is disabled and background compilation checks are enabled. It was
        possible that some updates would not take effect and/or
        <code>ClassNotFoundException</code>s would occur. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.33_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62596">62596</a>: Remove the limit on the size of the initial HTTP
        upgrade request used to establish the web socket connection. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.33_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61565">61565</a>: Add the ability to trigger a reloading of TLS host
        configuration (certificate and key files, server.xml is not re-parsed)
        via the Manager web application. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62558">62558</a>: Add Russian translations for the Manager and Host
        Manager web applications. Based on a patch by Ivan Krasnov. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62561">62561</a>: Add advanced class loader configuration information
        regarding the use of the Server and Shared class loaders to the
        documentation web application. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.33_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensures that the specified <code>rxBufSize</code> is correctly set to
        receiver buffer size. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.33_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Support building with Java 9+ while preserving the Java 7 compatibility
        at runtime (requires Ant 1.9.8 or later). (ebourg)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update WSDL4J library to version 1.6.3 (from 1.6.2). (kkolinko)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update JUnit library to version 4.12 (from 4.11). (kkolinko)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Downgrade CGLib library used for testing with EasyMock to version
        2.2.2 (from 2.2.3) as version 2.2.3 is not available from Maven Central.
        (markt/kkolinko)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Implement checksum checks when downloading dependencies that are used
        to build Tomcat. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fixed spelling. Patch provided by Jimmy Casey via GitHub. (violetagg)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons Pool 2 to 3e02523
        (2018-08-09) to pick up some bug fixes and enhancements. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Apache Commons DBCP 2 to abc0484
        (2018-08-09) to pick up some bug fixes and enhancements. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct various spelling errors throughout the source code and
        documentation. Patch provided by Kazuhiro Sera. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.32_(markt)"><span id="Tomcat_8.5.32_(markt)_rtext" style="float: right;">2018-06-25</span> Tomcat 8.5.32 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Treat the <code>&lt;mapped-name&gt;</code> element of a
        <code>&lt;env-entry&gt;</code> in web.xml in the same way as the
        <code>mappedName</code> element of the equivalent <code>@Resource</code>
        annotation. Both now attempt to set the <code>mappedName</code> property
        of the resource. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the processing of resources with
        <code>&lt;injection-target&gt;</code>s defined in web.xml. First look
        for a match using JavaBean property names and then, only if a match is
        not found, look for a match using fields. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When restoring a saved request with a request body after FORM
        authentication, ensure that calls to the <code>HttpServletRequest</code>
        methods <code>getRequestURI()</code>, <code>getQueryString()</code> and
        <code>getProtocol()</code> are not corrupted by the processing of the
        saved request body. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        JNDI resources that are defined with injection targets but no value are
        now treated as if the resource is not defined. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that JNDI names used for <code>&lt;lookup-name&gt;</code> entries
        in web.xml and for <code>lookup</code> elements of
        <code>@Resource</code> annotations specify a name with an explicit
        <code>java:</code> namespace. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the <code>org.apache.naming</code> package to reduce duplicate
        code. Duplicate code identified by the Simian tool. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=50019">50019</a>: Add support for <code>&lt;lookup-name&gt;</code>.
        Based on a patch by Gurkan Erdogdu. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=51953">51953</a>: Add the <code>RemoteCIDRFilter</code> and
        <code>RemoteCIDRValve</code> that can be used to allow/deny requests
        based on IPv4 and/or IPv6 client address where the IP ranges are defined
        using CIDR notation. Based on a patch by Francis Galiegue. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62343">62343</a>: Make CORS filter defaults more secure. This is the fix
        for CVE-2018-8014. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the web application resources implementation does not
        incorrectly cache results for resources that are only visible as class
        loader resources. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make all loggers associated with Tomcat provided Filters non-static to
        ensure that log messages are not lost when a web application is
        reloaded. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the manifest for the annotations-api.jar. The JAR implements the
        Common Annotations API 1.2 and the manifest should reflect that. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Switch to non-static loggers where there is a possibility of a logger
        becoming associated with a web application class loader causing log
        messages to be lost if the web application is stopped. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62389">62389</a>: Add the IPv6 loopback address to the default
        <code>internalProxies</code> regular expression. Patch by Craig Andrews.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        In the <code>RemoteIpValve</code> and <code>RemoteIpFilter</code>,
        correctly handle the case when the request passes through one or more
        <code>trustedProxies</code> but no <code>internalProxies</code>. Based
        on a patch by zhanhb. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the logic in <code>MBeanFactory.removeConnector()</code> to
        ensure that the correct Connector is removed when there are multiple
        Connectors using different addresses but the same port. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make <code>JAASRealm</code> mis-configuration more obvious by requiring
        the authenticated Subject to include at least one Principal of a type
        specified by <code>userClassNames</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62476">62476</a>: Use GMT timezone for the value of
        <code>Expires</code> header as required by HTTP specification
        (RFC 7231, 7234). (kkolinko)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Consistent exception propagation for NIO2 SSL close. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Log an error message if the AJP connector detects that the reverse proxy
        is sending AJP messages that are too large for the configured
        <code>packetSize</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Relax Host validation by removing the requirement that the final
        component of a FQDN must be alphabetic. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62371">62371</a>: Improve logging of Host validation failures. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add missing handshake timeout for NIO2. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle a digest authorization header when the user name
        contains an escaped character. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle a digest authorization header when one of the hex
        field values ends the header with in an invalid character. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle an invalid quality value in an
        <code>Accept-Language</code> header. (markt)
      </li>
      <li><img alt="Docs: " class="icon" src="./images/docs.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62423">62423</a>: Fix SSL docs CRL attribute typo. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve IPv6 validation by ensuring that IPv4-Mapped IPv6 addresses do
        not contain leading zeros in the IPv4 part. Based on a patch by Katya
        Stoycheva. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix <code>NullPointerException</code> thrown from <code>
        replaceSystemProperties()</code> when trying to log messages. (csutherl)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid unnecessary processing of async timeouts. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=50234">50234</a>: Add the capability to generate a web-fragment.xml file
        to JspC. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62080">62080</a>: Ensure that all reads of the current thread's context
        class loader made by the UEL API and implementation are performed via a
        <code>PrivilegedAction</code> to ensure that a
        <code>SecurityException</code> is not triggered when running under a
        <code>SecurityManager</code>. (mark)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62350">62350</a>: Refactor
        <code>org.apache.jasper.runtime.BodyContentImpl</code> so a
        <code>SecurityException</code> is not thrown when running under a
        SecurityManger and additional permissions are not required in the
        <code>catalina.policy</code> file. This is a follow-up to the fix for
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=43925">43925</a>. (kkolinko/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update web.xml, web-fragment.xml and web.xml extracts generated by JspC
        to use the Servlet 3.1 version of the relevant schemas. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove duplicate calls when creating a replicated session to reduce the
        time taken to create the session and thereby reduce the chances of a
        subsequent session update message being ignored because the session does
        not yet exist. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When decoding of path parameter failed, make sure to throw
        <code>DecodeException</code> instead of throwing
        <code>ArrayIndexOutOfBoundsException</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable host name verification when using TLS with the WebSocket client.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62395">62395</a>: Clarify the meaning of the connector attribute
        <code>minSpareThreads</code> in the documentation web application.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the documentation for the <code>allowHostHeaderMismatch</code>
        attribute of the standard HTTP Connector implementations. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the correct default value is returned when retrieve unset
        properties in <code>McastService</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When <code>logValidationErrors</code> is set to true, the connection
        validation error is logged as <code>SEVERE</code> instead of
        <code>WARNING</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.32_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62391">62391</a>: Remove references to <code>javaw.exe</code> as this
        file is not required by Tomcat and the references prevent the use of the
        Server JRE. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.17 to
        pick up the latest Windows binaries built with APR 1.6.3 and OpenSSL
        1.0.2o. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62458">62458</a>: Update the internal fork of Commons Pool 2 to dfef97b
        (2018-06-18) to pick up some bug fixes and enhancements. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons DBCP 2 to 2.4.0. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.31_(markt)"><span id="Tomcat_8.5.31_(markt)_rtext" style="float: right;">2018-05-03</span> Tomcat 8.5.31 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.31_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62263">62263</a>: Avoid a <code>NullPointerException</code> when the
        <code>RemoteIpValve</code> processes a request for which no Context can
        be found. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a rare edge case that is unlikely to occur in real usage. This edge
        case meant that writing long streams of UTF-8 characters to the HTTP
        response that consisted almost entirely of surrogate pairs could result
        in one surrogate pair being dropped. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Register MBean when DataSource Resource <code>
        type="javax.sql.XADataSource"</code>. Patch provided by Masafumi Miura.
        (csutherl)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Update the internal fork of Apache Commons BCEL to r1829827 to add early
        access Java 11 support to the annotation scanning code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62297">62297</a>: Enable the <code>CrawlerSessionManagerValve</code> to
        correctly handle bots that crawl multiple hosts and/or web applications
        when the Valve is configured on a Host or an Engine. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62309">62309</a>: Fix a <code>SecurityException</code> when using JASPIC
        under a <code>SecurityManager</code> when authentication is not
        mandatory. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62329">62329</a>: Correctly list resources in JAR files when directories
        do not have dedicated entries. Patch provided by Meelis M&uuml;&uuml;r. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Collapse multiple leading <code>/</code> characters to a single
        <code>/</code> in the return value of
        <code>HttpServletRequest#getContextPath()</code> to avoid issues if the
        value is used with <code>HttpServletResponse#sendRedirect()</code>. This
        behaviour is enabled by default and configurable via the new Context
        attribute <code>allowMultipleLeadingForwardSlashInPath</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handing of overflow in the UTF-8 decoder with supplementary
        characters. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.31_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct off-by-one error in thread pool that allowed thread pools to
        increase in size to one more than the configured limit. Patch provided
        by usc. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Prevent unexpected TLS handshake failures caused by errors during a
        previous handshake that were not correctly cleaned-up when using the NIO
        or NIO2 connector with the <code>OpenSSLImplementation</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Enable strict validation of the provided host name and port for all
        connectors. Requests with invalid host names and/or ports will be
        rejected with a 400 response. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62273">62273</a>: Implement configuration options to work-around
        specification non-compliant user agents (including all the major
        browsers) that do not correctly %nn encode URI paths and query strings
        as required by RFC 7230 and RFC 3986. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.31_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable ECJ version 4.7 and later to be used as a drop in replacement for
        the ECJ version that ships with Apache Tomcat. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable Java 10 to be specified as a JSP source and/or target if a newer
        ECJ version is used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62287">62287</a>: Do not rely on hash codes to test instances of
        <code>ValueExpressionImpl</code> for equality. Patch provided by Mark
        Struberg. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.31_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62301">62301</a>: Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61491">61491</a>
        that didn't correctly handle a final empty message part in all
        circumstances when using <code>PerMessageDeflate</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62332">62332</a>: Ensure WebSocket connections are closed after an I/O
        error is experienced reading from the client. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.31_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid warning when running under Cygwin when the
        <code>JAVA_ENDORSED_DIRS</code> environment variable is not set. Patch
        provided by Zemian Deng. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.30_(markt)"><span id="Tomcat_8.5.30_(markt)_rtext" style="float: right;">2018-04-07</span> Tomcat 8.5.30 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.30_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=51195">51195</a>: Avoid a false positive report of a web application
        memory leak by clearing <code>ObjectStreamClass$Caches</code> of classes
        loaded by the web application when the web application is stopped.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=52688">52688</a>: Add support for the <code>maxDays</code> attribute to
        the <code>AccessLogValve</code> and <code>ExtendedAccessLogValve</code>.
        This allows the maximum number of days for which rotated access logs
        should be retained before deletion to be defined. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure the MBean names for the <code>SSLHostConfig</code> and
        <code>SSLHostConfigCertificate</code> are correctly formed when the
        <code>Connector</code> is bound to a specific IP address. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62168">62168</a>: When using the <code>PersistentManager</code> honor a
        value of <code>-1</code> for <code>minIdleSwap</code> and do not swap
        out sessions to keep the number of active sessions under
        <code>maxActive</code>. Patch provided by Holger Sunke. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62172">62172</a>: Improve Javadoc for
        <code>org.apache.catalina.startup.Constants</code> and ensure that the
        constants are correctly used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62175">62175</a>: Avoid infinite recursion, when trying to validate
        a session while loading it with <code>PersistentManager</code>.
        (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>NamingContextListener</code> instances are only
        notified once of property changes on the associated naming resources.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add LoadBalancerDrainingValve, a Valve designed to reduce the amount of
        time required for a node to drain its authenticated users. (schultz)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62224">62224</a>: Disable the <code>forkJoinCommonPoolProtection</code>
        of the <code>JreMemoryLeakPreventionListener</code> when running on Java
        9 and above since the underlying JRE bug has been fixed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.30_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid potential loop in APR/Native poller. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure streams that are received but not processed are excluded from the
        tracking of maximum ID of processed streams. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the check for a paused connector to consistently prevent new
        streams from being created after the connector has been paused. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve debug logging for HTTP/2 pushed streams. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        The OpenSSL engine SSL session will now ignore invalid accesses. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62177">62177</a>: Correct two protocol errors with HTTP/2
        <code>PUSH_PROMISE</code> frames. Firstly, the HTTP/2 protocol only
        permits pushes to be sent on peer initiated requests. Secondly, pushes
        must be sent in order of increasing stream ID. These restriction were
        not being enforced leading to protocol errors at the client. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.30_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add document for <code>FragmentationInterceptor</code>. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Document how the roles for an authenticated user are determined when the
        <code>CombinedRealm</code> is used. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.30_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add JMX support for <code>FragmentationInterceptor</code> in order to
        prevent warning of startup. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.30_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>SQLWarning</code> has been cleared when connection
        returns to the pool. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Enable clearing of <code>SQLWarning</code> via JMX. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that parameters have been cleared when
        <code>PreparedStatement</code> and/or <code>CallableStatement</code> are
        cached. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable PoolCleaner to be started even if <code>validationQuery</code>
        is not set. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.30_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62164">62164</a>: Switch the build script to use TLS for downloads from
        SourceForge and Maven Central to avoid failures due to HTTP to HTTPS
        redirects. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Always report the OS's umask when launching the JVM. (schultz)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.29_(markt)"><span id="Tomcat_8.5.29_(markt)_rtext" style="float: right;">2018-03-08</span> Tomcat 8.5.29 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.29_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Minor optimization when calling class transformers. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Prevent Tomcat from applying gzip compression to content that is already
        compressed with brotli compression. Based on a patch provided by burka.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62090">62090</a>: Null container names are not allowed. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62104">62104</a>: Fix programmatic login regression as the
        NonLoginAuthenticator has to be set for it to work (if no login method
        is specified). (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62117">62117</a>: Improve error message in <code>catalina.sh</code> when
        calling <code>kill -0 &lt;pid&gt;</code> fails. Based on a suggestion
        from Mark Morschhaeuser. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62118">62118</a>: Correctly create a JNDI <code>ServiceRef</code> using
        the specified interface rather than the concrete type. Based on a
        suggestion by &Aacute;ngel &Aacute;lvarez P&aacute;scua. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix for <code>RequestDumperFilter</code> log attribute. Patch provided
        by Kirill Romanov via Github. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62123">62123</a>: Avoid <code>ConcurrentModificationException</code>
        when attempting to clean up application triggered RMI memory leaks on
        web application stop. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60276">60276</a> that meant that
        compression was applied to all MIME types. Patch provided by Stefan
        Knoblich. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.29_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add minor HPACK fixes, based on fixes by Stuart Douglas. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61751">61751</a>: Follow up fix so that OpenSSL engine returns
        underflow when unwrapping if no bytes were produced and the input is
        empty. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Minor OpenSSL engine cleanups. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        NIO SSL handshake should throw an exception on overflow status, like
        NIO2 SSL. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.29_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=48672">48672</a>: Add documentation for the Host Manager web
        application. Patch provided by Marek Czernek. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Work-around a known, non-specification compliant behaviour in some
        versions of IE that can allow XSS when the Manager application generates
        a plain text response. Based on a suggestion from Muthukumar Marikani.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.29_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the build script so MD5 hashes are no longer generated for
        releases as per the change in the ASF distribution policy. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.28_(markt)"><span id="Tomcat_8.5.28_(markt)_rtext" style="float: right;">2018-02-11</span> Tomcat 8.5.28 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.28_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Prevent a stack trace being written to standard out when running on Java
        10 due to changes in the <code>LogManager</code> implementation. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62000">62000</a>: When a JNDI reference cannot be resolved, ensure that
        the root cause exception is reported rather than swallowed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62036">62036</a>: When caching an authenticated user Principal in the
        session when the web application is configured with the
        <code>NonLoginAuthenticator</code>, cache the internal Principal object
        rather than the user facing Principal object as Tomcat requires the
        internal object to correctly process later authorization checks. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid duplicate load attempts if one has been made already. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid NPE in ThreadLocalLeakPreventionListener if there is no Engine.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62067">62067</a>: Correctly apply security constraints mapped to the
        context root using a URL pattern of <code>""</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using Tomcat embedded, only perform Authenticator configuration
        once during web application start. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Process all <code>ServletSecurity</code> annotations at web application
        start rather than at servlet load time to ensure constraints are applied
        consistently. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.28_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61751">61751</a>: Fix truncated request input streams when using NIO2
        with TLS. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62023">62023</a>: Log error reporting multiple SSLHostConfig elements
        when using the APR Connector instead of crashing Tomcat. (csutherl)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62032">62032</a>: Fix NullPointerException when certificateFile is not
        defined on an SSLHostConfig and unify the behavior when a
        certificateFile is defined but the file does not exist for both
        JKS and PEM file types. (csutherl)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.28_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62024">62024</a>: When closing a connection with an abnormal close,
        close the socket immediately rather than waiting for a close message
        from the client that may never arrive. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.28_(markt)/Webapps">Webapps</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62049">62049</a>: Fix missing class from manager 404 JSP error page.
        (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.28_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Enhance the JMX support for jdbc-pool in order to expose
        <code>PooledConnection</code> and <code>JdbcInterceptors</code>.
        (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add MBean for <code>PooledConnection</code>. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62011">62011</a>: Add MBean for <code>StatementCache</code>. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expose the cache size for each connection via JMX in
        <code>StatementCache</code>. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add MBean for <code>ResetAbandonedTimer</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.28_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the NSIS Installer used to build the Windows installer to version
        3.03. (kkolinko)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.27_(markt)"><span id="Tomcat_8.5.27_(markt)_rtext" style="float: right;">2018-01-22</span> Tomcat 8.5.27 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.27_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the previous fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61916">61916</a> that meant
        that any call to <code>addHeader()</code> would have been replaced with
        a call to <code>setHeader()</code> for all requests mapped to the
        <code>AddDefaultCharsetFilter</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.27_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61993">61993</a>: Improve handling for <code>ByteChunk</code> and
        <code>CharChunk</code> instances that grow close to the maximum size
        allowed by the JRE. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.27_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=43925">43925</a>: Add a new system property
        (<code>org.apache.jasper.runtime.BodyContentImpl.BUFFER_SIZE</code>) to
        control the size of the buffer used by Jasper when buffering tag bodies.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.27_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=62006">62006</a>: Document the new <code>JvmOptions9</code> command line
        parameter for <code>tomcat8.exe</code>. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.26_(markt)"><span id="Tomcat_8.5.26_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.26 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.26_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct Javadoc errors in release build.
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.25_(markt)"><span id="Tomcat_8.5.25_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.25 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.25_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=47214">47214</a>: Use a loop to preload anonymous inner classes
        when running under a <code>SecurityManager</code>, to be safe for
        future changes in the code or using a different compiler. (kkolinko)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57619">57619</a>: Implement a small optimisation to how JAR URLs are
        processed to reduce the storage of duplicate String objects in memory.
        Patch provided by Dmitri Blinov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add some missing NPEs to ServletContext. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61916">61916</a>: Extend the <code>AddDefaultCharsetFilter</code> to add
        a character set when the content type is set via
        <code>setHeader()</code> or <code>addHeader()</code> as well as when it
        is set via <code>setContentType()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61999">61999</a>: maxSavePostSize set to 0 should disable saving POST
        data during authentication. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.25_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60276">60276</a>: Implement GZIP compression support for responses
        served over HTTP/2. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not call onDataAvailable without any data to read. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61886">61886</a>: Log errors on non-container threads at
        <code>DEBUG</code> rather than <code>INFO</code>. The exception will be
        made available to the application via the asynchronous error handling
        mechanism. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61914">61914</a>: Possible NPE with Java 9 when creating an SSL engine.
        Patch submitted by Evgenij Ryazanov. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61918">61918</a>: Fix connectionLimitLatch counting when closing an
        already closed socket. Based on a patch by Ryan Fong. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for the OpenSSL ARIA ciphers to the OpenSSL to JSSE
        cipher mapping. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61932">61932</a>: Allow a call to <code>AsyncContext.dispatch()</code>
        to terminate non-blocking I/O. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61948">61948</a>: Improve the handling of malformed ClientHello messages
        in the code that extracts the SNI information from a TLS handshake for
        the JSSE based NIO and NIO2 connectors. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix NIO2 handshaking with a full input buffer. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Return a simple, plain text error message if a client attempts to make a
        plain text HTTP connection to a TLS enabled NIO or NIO2 Connector.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle EOF when <code>ServletInputStream.isReady()</code> is
        called. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.25_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61854">61854</a>: When using sets and/or maps in EL expressions, ensure
        that Jasper correctly parses the expression. Patch provided by Ricardo
        Martin Camarero. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the handling of methods with varargs in EL expressions. In
        particular, the calling of a varargs method with no parameters now works
        correctly. Based on a patch by Nitkalya (Ing) Wiriyanuparb. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.25_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove the Servlet 4.0 early preview example from the examples web
        application as the early preview is now deprecated in favour of Tomcat
        9 which provides a full Servlet 4.0 implementation. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61223">61223</a>: Add the mbeans-descriptors.dtd file to the custom
        MBean documentation so users have a reference to use when constructing
        mbeans-descriptors.xml files for custom components. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61566">61566</a>: Expose the currently in use certificate chain and list
        of trusted certificates for all virtual hosts configured using the JSSE
        style (keystore) TLS configuration via the Manager web application.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Partial fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61886">61886</a>. Ensure that multiple threads do not
        attempt to complete the <code>AsyncContext</code> if an I/O error occurs
        in the stock ticker example Servlet. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61886">61886</a>: Prevent <code>ConcurrentModificationException</code>
        when running the asynchronous stock ticker in the examples web
        application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61886">61886</a>: Prevent <code>NullPointerException</code> and other
        errors if the stock ticker example is running when the examples web
        application is stopped. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61910">61910</a>: Clarify the meaning of the <code>allowLinking</code>
        option in the documentation web application. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add OCSP configuration information to the SSL How-To. Patch provided by
        Marek Czernek. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.25_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61312">61312</a>: Prevent <code>NullPointerException</code> when using
        the statement cache of connection that has been closed. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.25_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add an additional system property for the system property replacement.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add missing SHA-512 hash for release artifacts to the build script.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Pool 2 to 2.4.3. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons DBCP 2 to 8a71764 (2017-10-18) to
        pick up some bug fixes and enhancements. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons FileUpload to 6c00d57 (2017-11-23)
        to pick up some code clean-up. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Codec to r1817136 to pick up some
        code clean-up. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        The native source bundles (for Commons Daemon and Tomcat Native) are no
        longer copied to the bin directory for the deploy target. They are now
        only copied to the bin directory for the release target. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.24_(markt)"><span id="Tomcat_8.5.24_(markt)_rtext" style="float: right;">2017-11-30</span> Tomcat 8.5.24 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.24_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When running under Java 9 or later, and the
        <code>urlCacheProtection</code> option of the
        <code>JreMemoryLeakPreventionListener</code> is enabled, use the API
        added in Java 9 to only disable the caching for JAR URL connections.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix possible <code>SecurityException</code> when using TLS related
        request attributes. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61597">61597</a>: Extend the <code>StandardJarScanner</code> to scan
        JARs on the module path when running on Java 9 and class path scanning
        is enabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61601">61601</a>: Add support for multi-release JARs in JAR scanning and
        web application class loading. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61681">61681</a>: Allow HTTP/2 push when using request wrapping. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Provide the <code>SessionInitializerFilter</code> that can be used to
        ensure that an HTTP session exists when initiating a WebSocket
        connection. Patch provided by isapir. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61682">61682</a>: When re-prioritising HTTP/2 streams, ensure that both
        parent and children fields are correctly updated to avoid a possible
        <code>StackOverflowError</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve concurrency by reducing the scope of the synchronisation for
        <code>javax.security.auth.message.config.AuthConfigFactory</code> in the
        JASPIC API implementation. Based on a patch by Pavan Kumar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a possible <code>NullPointerException</code> when timing out
        <code>AsyncContext</code> instances during shut down. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61777">61777</a>: Avoid a <code>NullPointerException</code> when
        detaching a JASPIC <code>RegistrationListener</code>. Patch provided by
        Lazar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61778">61778</a>: Correct the return value when detaching a JASPIC
        <code>RegistrationListener</code>. Patch provided by Lazar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61779">61779</a>: Avoid a <code>NullPointerException</code> when a
        <code>null</code> <code>RegistrationListener</code> is passed to
        <code>AuthConfigFactory.getConfigProvider()</code>. Patch provided by
        Lazar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61780">61780</a>: Only include the default JASPIC registration ID in the
        return value for a call to
        <code>AuthConfigFactory.getRegistrationIDs()</code> if a
        <code>RegistrationContext</code> has been registered using the default
        registration ID. Patch provided by Lazar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61781">61781</a>: Enable JASPIC provider registrations to be persisted
        when the layer and/or application context are <code>null</code>. Patch
        provided by Lazar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61782">61782</a>: When calling
        <code>AuthConfigFactory.doRegisterConfigProvider()</code> and the
        requested JASPIC config provider class is found by the web application
        class loader, do not attempt to load the class with the class loader
        that loaded the JASPIC API. Patch provided by Lazar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61783">61783</a>: When calling
        <code>AuthConfigFactory.removeRegistration()</code> and the registration
        is persistent, it should be removed from the persistent store. Patch
        provided by Lazar. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61784">61784</a>: Correctly handle the case when
        <code>AuthConfigFactoryImpl.registerConfigProvider()</code> is called
        with a provider name of <code>null</code>. Patch provided by Lazar.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61795">61795</a>: Add a property to the <code>Authenticator</code>
        implementations to enable a custom JASPIC <code>CallbackHandler</code>
        to be specified. Patch provided by Lazar. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.24_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Enable ALPN and also, therefore, HTTP/2 for the NIO and NIO2 HTTP
        connectors when using the JSSE implementation for TLS when running on
        Java 9. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60762">60762</a>: Add the ability to make changes to the TLS
        configuration of a connector at runtime without having to restart the
        Connector. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61568">61568</a>: Avoid a potential <code>SecurityException</code> when
        using the NIO2 connector and a new thread is added to the pool. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61583">61583</a>: Correct a further regression in the fix to enable the
        use of Java key stores that contained multiple keys that did not all
        have the same password. This fixes PKCS11 key store handling with
        multiple keys selected with an alias. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Reduce default HTTP/2 stream concurrent execution within a connection
        from 200 to 20. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61668">61668</a>: Avoid a possible NPE when calling
        <code>AbstractHttp11Protocol.getSSLProtocol()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61673">61673</a>: Avoid a possible
        <code>ConcurrentModificationException</code> when working with the
        streams associated with a connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61719">61719</a>: Avoid possible NPE calling
        InputStream.setReadListener with HTTP/2. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61736">61736</a>: Improve performance of NIO connector when clients
        leave large time gaps between network packets. Patch provided by Zilong
        Song. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61740">61740</a>: Correct an off-by-one error in the Hpack header index
        validation that caused intermittent request failures when using HTTP/2.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.24_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61816">61816</a>: Invalid expressions in attribute values or template
        text should trigger a translation (compile time) error, not a run time
        error. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.24_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61604">61604</a>: Add support for authentication in the websocket
        client. Patch submitted by J Fernandez. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.24_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable Javadoc to be built with Java 9. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61603">61603</a>: Add XML filtering for the status servlet output where
        needed. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the description of how the CGI servlet maps a request to a
        script in the CGI How-To. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.24_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix incorrect behavior that attempts to resend channel messages more
        than the actual setting value of <code>maxRetryAttempts</code>.
        (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the remaining Sender can send channel messages by avoiding
        unintended <code>ChannelException</code> caused by comparing the number
        of failed members and the number of remaining Senders. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that remaining SelectionKeys that were not handled by throwing a
        <code>ChannelException</code> during SelectionKey processing are
        handled. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.24_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61439">61439</a> and exclude the JPA, JAX-WS and EJB
        annotations completely from the Tomcat distributions. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of endorsed directories. The endorsed directory
        mechanism will only be used if the <code>JAVA_ENDORSED_DIRS</code>
        system property is explicitly set or if
        <code>$CATALINA_HOME/endorsed</code> exists. When running on Java 9, any
        such attempted use of the endorsed directory mechanism will trigger an
        error and Tomcat will fail to start. (rjung)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactoring in preparation for Java 9. Refactor to avoid using some
        methods that will be deprecated in Java 9 onwards. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=51496">51496</a>: When using the Windows installer, check if the
        requested service name already exists and, if it does, prompt the user
        to select an alternative service name. Patch provided by Ralph
        Plawetzki. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add necessary Java 9 configuration options to the startup scripts to
        prevent warnings being generated on web application stop. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61590">61590</a>: Enable <code>service.bat</code> to recognise when
        <code>JAVA_HOME</code> is configured for a Java 9 JDK. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61598">61598</a>: Update the Windows installer to search the new (as of
        Java 9) registry locations when looking for a JRE. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add generation of a SHA-512 hash for release artifacts to the build
        script. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61658">61658</a>: Update MIME mappings for fonts to use
        <code>font/*</code> as per RFC8081. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.16 to
        pick up the latest Windows binaries built with APR 1.6.3 and OpenSSL
        1.0.2m. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the NSIS Installer used to build the Windows installer to version
        3.02.1. (kkolinko)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the Windows installer to use "The Apache Software Foundation" as
        the Publisher when Tomcat is displayed in the list of installed
        applications in Microsoft Windows. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61803">61803</a>: Remove outdated SSL information from the Security
        documentation. (remm)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.23_(markt)"><span id="Tomcat_8.5.23_(markt)_rtext" style="float: right;">2017-10-01</span> Tomcat 8.5.23 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.23_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use the correct path when loading the JVM <code>logging.properties</code>
        file for Java 9. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add additional validation to the resource handling required to fix
        CVE-2017-12617 on Windows. The checks were being performed elsewhere but
        adding them to the resource handling ensures that the checks are always
        performed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61554">61554</a>: Exclude test files in unusual encodings and markdown
        files intended for display in GitHub from RAT analysis. Patch provided
        by Chris Thistlethwaite. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.23_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61563">61563</a>: Correct typos in Spanish translation. Patch provided by
        Gonzalo V&aacute;squez. (csutherl)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.22_(markt)"><span id="Tomcat_8.5.22_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.22 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.22_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60963">60963</a>: Add <code>ExtractingRoot</code>, a new
        <code>WebResourceRoot</code> implementation that extracts JARs to the
        work directory for improved performance when deploying packed WAR files.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add an option to reject requests that contain HTTP headers with invalid
        (non-token) header names with a 400 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61542">61542</a>: Fix CVE-2017-12617 and prevent JSPs from being
        uploaded via a specially crafted request when HTTP PUT was enabled.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement the requirements of RFC 7230 (and RFC 2616) that HTTP/1.1
        requests must include a <code>Host</code> header and any request that
        does not must be rejected with a 400 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement the requirements of RFC 7230 that any HTTP/1.1 request that
        specifies a host in the request line, must specify the same host in the
        <code>Host</code> header and that any such request that does not, must
        be rejected with a 400 response. This check is optional but disabled by
        default. It may be enabled with the
        <code>allowHostHeaderMismatch</code> attribute of the Connector. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Implement the requirements of RFC 7230 that any HTTP/1.1 request that
        contains multiple <code>Host</code> headers is rejected with a 400
        response. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.22_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add a way to set the property source in embedded mode. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61557">61557</a>: Correct a further regression in the fix to enable the
        use of Java key stores that contain multiple keys that do not all have
        the same password. The regression broke support for some FIPS compliant
        key stores. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.22_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61545">61545</a>: Correctly handle invocations of methods defined in the
        <code>PooledConnection</code> interface when using pooled XA
        connections. Patch provided by Nils Winkler. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.22_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59904">59904</a> so that values less than zero are accepted
        instead of throwing a NegativeArraySizeException. (remm)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.21_(markt)"><span id="Tomcat_8.5.21_(markt)_rtext" style="float: right;">2017-09-19</span> Tomcat 8.5.21 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.21_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Before generating an error page in the <code>ErrorReportValve</code>,
        check to see if I/O is still permitted for the associated connection
        before generating the error page so that the page generation can be
        skipped if the page is never going to be sent. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61189">61189</a>: Add the ability to set environment variables for
        individual CGI scripts. Based on a patch by jm009. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61210">61210</a>: When running under a SecurityManager, do not print a
        warning about not being able to read a logging configuration file when
        that file does not exist. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61280">61280</a>: Add RFC 7617 support to the
        <code>BasicAuthenticator</code>. Note that the default configuration
        does not change the existing behaviour. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61424">61424</a>: Avoid a possible <code>StackOverflowError</code> when
        running under a <code>SecurityManager</code> and using
        <code>Subject.doAs()</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.21_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        The minimum required Tomcat Native version has been increased to 1.2.14.
        This version includes a new API needed for correct client certificate
        support when using a Java connector with OpenSSL TLS implementation and
        support for the <code>SSL_CONF</code> OpenSSL API. (rjung)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for the OpenSSL <code>SSL_CONF</code> API when using
        TLS with OpenSSL implementation. It can be used by adding
        <code>OpenSSLConf</code> elements underneath <code>SSLHostConfig</code>.
        The new element contains a list of <code>OpenSSLConfCmd</code> elements,
        each with the attributes <code>name</code> and <code>value</code>.
        (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using a Java connector in combination with the OpenSSL TLS
        implementation, do not configure each SSL connection object via
        the OpenSSLEngine. For OpenSSL the SSL object inherits its
        settings from the SSL_CTX which we have already configured.
        (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using JSSE TLS configuration with the OpenSSL implementation and
        client certificates: include client CA subjects in the TLS handshake
        so that the client can choose an appropriate client certificate to
        present. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If an invalid option is specified for the
        <code>certificateVerification</code> attribute of an
        <code>SSLHostConfig</code> element, treat it as <code>required</code>
        which is the most secure / restrictive option in addition to reporting
        the configuration error. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the handling of client disconnections during the TLS
        renegotiation handshake. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Prevent exceptions being thrown during normal shutdown of NIO
        connections. This enables TLS connections to close cleanly. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix possible race condition when setting IO listeners on an upgraded
        connection. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=48655">48655</a>: Enable Tomcat to shutdown cleanly when using sendfile,
        the APR/native connector and a multi-part download is in progress.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58244">58244</a>: Handle the case when OpenSSL resumes a TLS session
        using a ticket and the full client certificate chain is not available.
        In this case the client certificate without the chain will be presented
        to the application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the warning message when JSSE and OpenSSL configuration styles
        are mixed on the same <code>SSLHostConfig</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61415">61415</a>: Fix TLS renegotiation with OpenSSL based connections
        and session caching. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Delay checking that the configured attributes for an
        <code>SSLHostConfig</code> instance are consistent with the configured
        SSL implementation until <code>Connector</code> start to avoid incorrect
        warnings when the SSL implementation changes during initialisation.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61450">61450</a>: Fix default key alias algorithm. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61451">61451</a>: Correct a regression in the fix to enable the use of
        Java key stores that contained multiple keys that did not all have the
        same password. The regression broke support for any key store that did
        not store keys in PKCS #8 format such as hardware key stores and Windows
        key stores. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.21_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60523">60523</a>: Reduce the number of packets used to send WebSocket
        messages by not flushing between the header and the payload when the
        two are written together. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61491">61491</a>: When using the <code>permessage-deflate</code>
        extension, correctly handle the sending of empty messages after
        non-empty messages to avoid the <code>IllegalArgumentException</code>.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.21_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Show connector cipher list in the manager web application in the
        correct cipher order. (rjung)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.21_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        To avoid unexpected session timeout notification from backup session,
        update the access time when receiving the map member notification
        message. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add member info to the log message when the failure detection check
        fails in <code>TcpFailureDetector</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid Ping timeout until the added map member by receiving
        <code>MSG_START</code> message is completely started. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When sending a channel message, make sure that the Sender has connected.
        (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the backup node selection logic that node 0 is returned twice
        consecutively. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix race condition of <code>responseMap</code> in
        <code>RpcChannel</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.21_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61391">61391</a>: Ensure that failed queries are logged if the
        <code>SlowQueryReport</code> interceptor is configured to do so and the
        connection has been abandoned. Patch provided by Craig Webb. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61425">61425</a>: Ensure that transaction of idle connection has
        terminated  when the <code>testWhileIdle</code> is set to
        <code>true</code> and <code>defaultAutoCommit</code> is set to
        <code>false</code>. Patch provided by WangZheng. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.21_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61439">61439</a>: Remove the Java Annotation API classes from
        tomcat-embed-core.jar and package them in a separate JAR in the
        embedded distribution to provide end users with greater flexibility to
        handle potential conflicts with the JRE and/or other JARs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61441">61441</a>: Improve the detection of <code>JAVA_HOME</code> by the
        <code>daemon.sh</code> script when running on a platform where Java has
        been installed from an RPM. (rjung)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.14 to
        pick up the latest Windows binaries built with APR 1.6.2 and OpenSSL
        1.0.2l. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61599">61599</a>: Update to Commons Daemon 1.1.0 for improved Java 9
        support. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.20_(markt)"><span id="Tomcat_8.5.20_(markt)_rtext" style="float: right;">2017-08-08</span> Tomcat 8.5.20 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.20_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Revert the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=49464">49464</a> since it continued to trigger
        regressions. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a bug in the <code>PushBuilder</code> implementation that
        meant push URLs containing <code>%nn</code> sequences were not correctly
        decoded. Identified by FindBugs. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61164">61164</a>: Add support for the <code>%X</code> pattern in the
        <code>AccessLogValve</code> that reports the connection status at the
        end of the request. Patch provided by Zemian Deng. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61351">61351</a>: Correctly handle %nn decoding of URL patterns in
        web.xml and similar locations that may legitimately contain characters
        that are not permitted by RFC 3986. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61366">61366</a>: Add a new attribute, <code>localDataSource</code>, to
        the <code>JDBCStore</code> that allows the Store to be configured to use
        a DataSource defined by the web application rather than the default of
        using a globally defined DataSource. Patch provided by Jonathan
        Horowitz. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.20_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61086">61086</a>: Ensure to explicitly signal an empty request body for
        HTTP 205 responses. Additional fix to r1795278. Based on a patch
        provided by Alexandr Saperov. (violetagg)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61345">61345</a>: Add a server listener that can be used to do system
        property replacement from the property source configured in the
        digester. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add additional logging to record problems that occur while waiting for
        the NIO pollers to stop during the Connector stop process. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.20_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61364">61364</a>: Ensure that files are closed after detecting encoding
        of JSPs so that files do not remain locked by the file system. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.20_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57767">57767</a>: Add support to the WebSocket client for following
        redirects when attempting to establish a WebSocket connection. Patch
        provided by J Fernandez. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.19_(markt)"><span id="Tomcat_8.5.19_(markt)_rtext" style="float: right;">2017-07-28</span> Tomcat 8.5.19 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.19_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Performance improvements for service loader look-ups (and look-ups of
        other class loader resources) when the web application is deployed in a
        packed WAR file. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61253">61253</a>: Add warn message when Digester.updateAttributes
        throws an exception instead of ignoring it. (csutherl)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a further regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=49464">49464</a> that could
        cause an byte order mark character to appear at the start of content
        included by the <code>DefaultServlet</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61313">61313</a>: Make the read timeout configurable in the
        <code>JNDIRealm</code> and ensure that a read timeout will result in an
        attempt to fail over to the alternateURL. Based on patches by Peter
        Maloney and Felix Schumacher. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.19_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the documentation for how <code>StandardRoot</code> is
        configured. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.19_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61316">61316</a>: Fix corruption of UTF-16 encoded source files in
        released source distributions. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.18_(markt)"><span id="Tomcat_8.5.18_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.18 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.18_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61232">61232</a>: When log rotation is disabled only one separator will
        be used when generating the log file name. For example if the prefix is
        <code>catalina.</code> and the suffix is <code>.log</code> then the log
        file name will be <code>catalina.log</code> instead of
        <code>catalina..log</code>. Patch provided by Katya Stoycheva.
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61264">61264</a>: Correct a regression in the refactoring to use
        <code>Charset</code> rather than <code>String</code> to store request
        character encoding that prevented <code>getReader()</code> throwing an
        <code>UnsupportedEncodingException</code> if the user agent specifies
        an unsupported character encoding. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=49464">49464</a> that could cause an
        incorrect <code>Content-Length</code> header to be sent by the
        <code>DefaultServlet</code> if the encoding of a static is not
        consistent with the encoding of the response. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.18_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable TLS connectors to use Java key stores that contain multiple keys
        where each key has a separate password. Based on a patch by Frank
        Taffelt. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the handling of HTTP/2 stream resets due to excessive headers
        when a continuation frame is used. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.18_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53031">53031</a>: Add support for the <code>fork</code> option when
        compiling JSPs with the Jasper Ant task and javac. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.18_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=52791">52791</a>: Add the ability to set the defaults used by the
        Windows installer from a configuration file. Patch provided by Sandra
        Madden. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.17_(markt)"><span id="Tomcat_8.5.17_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.17 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.17_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=49464">49464</a>: Improve the Default Servlet's handling of static files
        when the file encoding is not compatible with the required response
        encoding. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61214">61214</a>: Remove deleted attribute <code>servlets</code> from
        the Context MBean description. Patch provided by Alexis Hassler. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61215">61215</a>: Correctly define <code>addConnectorPort</code> and
        <code>invalidAuthenticationWhenDeny</code> in the
        <code>mbean-descriptors.xml</code> file for the
        <code>org.apache.catalina.valves</code> package so that the attributes
        are accessible via JMX. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make asynchronous error handling more robust. In particular ensure that
        <code>onError()</code> is called for any registered
        <code>AsyncListener</code>s after an I/O error on a non-container
        thread. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Additional permission for deleting files is granted to JULI as it is
        required by FileHandler when running under a Security Manager. The
        thread that cleans the log files is marked as daemon thread.
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61229">61229</a>: Correct a regression in 8.5.15 that broke WebDAV
        handling for resources with names that included a <code>&amp;</code>
        character. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.17_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Restore the ability to configure support for SSLv3. Enabling this
        protocol will trigger a warning in the logs since it is known to be
        insecure. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not log a warning when a <code>null</code> session is returned for an
        OpenSSL based TLS session since this is expected when session tickets
        are enabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When the access log valve logs a TLS related request attribute and the
        NIO2 connector is used with OpenSSL, ensure that the TLS attributes are
        available to the access log valve when the connection is closing.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60461">60461</a>: Sync SSL session access for the APR connector. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        To ease migration from 8.0.x to 8.5.x, if the HTTP or AJP BIO connector
        is explicitly configured, rather than failing to start the connector
        because BIO has been removed, automatically switch to NIO and continue.
        A warning will be logged to alert the user to the switch. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.17_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove references to the Loader attribute
        <code>searchExternalFirst</code> from the documentation since the
        attribute is no longer supported. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.16_(markt)"><span id="Tomcat_8.5.16_(markt)_rtext" style="float: right;">2017-06-26</span> Tomcat 8.5.16 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.16_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61072">61072</a>: Respect the documentation statements that allow
        using the platform default secure random for session id generation.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the javadoc for
        <code>o.a.c.connector.CoyoteAdapter#parseSessionCookiesId</code>.
        Patch provided by John Andrew (XUZHOUWANG) via Github. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61101">61101</a>: CORS filter should set Vary header in response.
        Submitted by Rick Riemer. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61105">61105</a>: Add a new JULI FileHandler configuration for
        specifying the maximum number of days to keep the log files.
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61125">61125</a>: Ensure that <code>WarURLConnection</code> returns the
        correct value for calls to <code>getLastModified()</code> as this is
        required for the correct detection of JSP modifications when the JSP is
        packaged in a WAR file. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the <code>SSLValve</code> so it is able to handle client
        certificate headers from Nginx. Based on a patch by Lucas Ventura Carro.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61134">61134</a>: Do not use '[' and ']' symbols around substituted
        text fragments when generating the default error pages. Patch provided
        by Katya Todorova. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61154">61154</a>: Allow the Manager and Host Manager web applications to
        start by default when running under a security manager. This was
        accomplished by adding a custom permission,
        <code>org.apache.catalina.security.DeployXmlPermission</code>, that
        permits an application to use a <code>META-INF/context.xml</code> file
        and then granting that permission to the Manager and Host Manager.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61173">61173</a>: Polish the javadoc for
        <code>o.a.catalina.startup.Tomcat</code>. Patch provided by
        peterhansson_se. (violetagg)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        A new configuration property <code>crawlerIps</code> is added to the
        <code>o.a.catalina.valves.CrawlerSessionManagerValve</code>. Using this
        property one can specify a regular expression that will be used to
        identify crawlers based on their IP address. Based on a patch provided
        by Tetradeus. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61180">61180</a>: Log a warning message rather than an information
        message if it takes more than 100ms to initialised a
        <code>SecureRandom</code> instance for a web application to use to
        generate session identifiers. Patch provided by Piotr Chlebda. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61185">61185</a>: When an asynchronous request is dispatched via
        <code>AsyncContext.dispatch()</code> ensure that
        <code>getRequestURI()</code> for the dispatched request matches that of
        the original request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61197">61197</a>: Ensure that the charset name used in the
        <code>Content-Type</code> header has exactly the same form as that
        provided by the application. This reverts a behavioural change in
        8.5.15 that caused problems for some clients. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61201">61201</a>: Ensure that the <code>SCRIPT_NAME</code> environment
        variable for CGI executables is populated in a consistent way regardless
        of how the CGI servlet is mapped to a request. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.16_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61086">61086</a>: Explicitly signal an empty request body for HTTP 205
        responses. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61120">61120</a>: Do not ignore path parameters when processing HTTP/2
        requests. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Revert a change introduced in the fix for bug <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60718">60718</a> that
        changed the status code recorded in the access log when the client
        dropped the connection from 200 to 500. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add additional syncs to the SSL session object provided by the OpenSSL
        engine so that a concurrent destruction cannot cause a JVM crash.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61195">61195</a>: Backport, with deprecation where appropriate, the
        endpoint and protocol property changes from 9.0.x to ease migration from
        8.5.x to 9.0.x. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.16_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=44787">44787</a>: Improve error message when JSP compiler configuration
        options are not valid. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61137">61137</a>: <code>j.s.jsp.tagext.TagLibraryInfo#uri</code> and
        <code>j.s.jsp.tagext.TagLibraryInfo#prefix</code> fields should not be
        final. Patch provided by Katya Todorova. (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.16_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the log message when a <code>MessageHandler</code> for
        <code>PongMessage</code> does not implement
        <code>MessageHandler.Whole</code>. (rjung)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Introduce new API <code>o.a.tomcat.websocket.WsSession#suspend</code>/
        <code>o.a.tomcat.websocket.WsSession#resume</code> that can be used to
        suspend/resume reading of the incoming messages. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve thread-safety of <code>Future</code>s used to report the result
        of sending WebSocket messages. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61183">61183</a>: Correct a regression in the previous fix for
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58624">58624</a> that could trigger a deadlock depending on the locking
        strategy employed by the client code. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.16_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Better document the meaning of the trimSpaces option for Jasper. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61150">61150</a>: Configure the Manager and Host-Manager web
        applications to permit serialization and deserialization of
        CRSFPreventionFilter related session objects to avoid warning messages
        and/or stack traces on web application stop and/or start when running
        under a security manager. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the TLS configuration documentation to remove SSLv2 and SSLv3
        from the list of supported protocols. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.16_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add JMX support for Tribes components. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.16_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=45832">45832</a>: Add HTTP DIGEST authentication support to the Catalina
        Ant tasks used to communicate with the Manager application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=45879">45879</a>: Add the <code>RELEASE-NOTES</code> file to the root of
        the installation created by the Tomcat installer for Windows to make it
        easier for users to identify the installed Tomcat version. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61055">61055</a>: Clarify the code comments in the rewrite valve to make
        clear that there are no plans to provide proxy support for this valve
        since Tomcat does not have proxy capabilities. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61076">61076</a>: Document the <code>altDDName</code> attribute for the
        <code>Context</code> element. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct typo in Jar Scan Filter Configuration Reference.
        Issue reported via comments.apache.org. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61145">61145</a>: Add missing <code>@Documented</code> annotation to
        annotations in the annotations API. Patch provided by Katya Todorova.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61146">61146</a>: Add missing <code>lookup()</code> method to
        <code>@EJB</code> annotation in the annotations API. Patch provided by
        Katya Todorova. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct typo in Context Container Configuration Reference.
        Patch provided by Katya Todorova. (violetagg)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.15_(markt)"><span id="Tomcat_8.5.15_(markt)_rtext" style="float: right;">2017-05-10</span> Tomcat 8.5.15 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.15_(markt)/General">General</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Allow to exclude JUnit test classes using the build property
        <code>test.exclude</code> and document the property in
        BUILDING.txt. (rjung)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.15_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Review those places where Tomcat re-encodes a URI or URI component and
        ensure that the correct encoding (path differs from query string) is
        applied and that the encoding is applied consistently. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a <code>NullPointerException</code> when reading attributes for a
        initialised HTTP connector where TLS is enabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Always quote the <code>hostName</code> of an <code>SSLHostConfig</code>
        element when using it as part of the JMX object name to avoid errors that
        prevent the associated TLS connector from starting if a wild card
        <code>hostName</code> is configured (because <code>*</code> is a
        reserved character for JMX object names). (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Switch to using <code>Charset</code> rather than <code>String</code> to
        store encoding settings (including for configuration and for the
        <code>Content-Type header</code>) to reduce the number of places the
        associated <code>Charset</code> needs to be looked up. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use a more reliable mechanism for the <code>DefaultServlet</code> when
        determining if the current request is for custom error page or not.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that when the Default or WebDAV servlets process an error
        dispatch that the error resource is processed via the
        <code>doGet()</code> method irrespective of the method used for the
        original request that triggered the error. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If a static custom error page is specified that does not exist or cannot
        be read, ensure that the intended error status is returned rather than a
        404 or 403. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When the WebDAV servlet is configured and an error dispatch is made to a
        custom error page located below <code>WEB-INF</code>, ensure that the
        target error page is displayed rather than a 404 response. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61047">61047</a>: Add MIME mapping for woff2 fonts in the default
        web.xml. Patch provided by Justin Williamson. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the logic that selects the encoding to use to decode the query
        string in the <code>SSIServletExternalResolver</code> so that the
        <code>useBodyEncodingForURI</code> attribute of the
        <code>Connector</code> is correctly taken into account. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Within the Expires filter, make the content type value specified with the
        <code>ExpiresByType</code> parameter, case insensitive. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.15_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When a <code>TrustManager</code> is configured that does not support
        <code>certificateVerificationDepth</code> only log a warning about that
        lack of support when <code>certificateVerificationDepth</code> has been
        explicitly set. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60970">60970</a>: Extend the fix for large headers to push requests.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not include a <code>Date</code> header in HTTP/2 responses with
        status codes less than 200. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.15_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When no BOM is present and an encoding is detected, do not skip the
        bytes used to detect the encoding since they are not part of a BOM.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61057">61057</a>: Update to Eclipse JDT Compiler 4.6.3. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61065">61065</a>: Ensure that once the class is resolved by
        <code>javax.el.ImportHandler#resolveClass</code> it will be cached with
        the proper name. (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.15_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=61003">61003</a>: Ensure the flags for reading/writing in
        <code>o.a.t.websocket.AsyncChannelWrapperSecure</code> are correctly
        reset even if some exceptions occurred during processing. (markt/violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.15_(markt)/Web_Applications">Web Applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add documents for <code>maxIdleTime</code> attribute to Channel Receiver
        docs. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.15_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Modify the Ant build script used to publish to a Maven repository so
        that it no longer requires artifacts to be GPG signed. This is make it
        possible for the CI system to upload snapshot builds to the ASF Maven
        repository. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Review i18n property files, remove unnecessary escaping and consistently
        use <code>[...]</code> to delimit inserted values. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.14_(markt)"><span id="Tomcat_8.5.14_(markt)_rtext" style="float: right;">2017-04-18</span> Tomcat 8.5.14 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.14_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59825">59825</a>: Log a message that lists the components in the
        processing chain that do not support async processing when a call to
        <code>ServletRequest.startAsync()</code> fails. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60926">60926</a>: Ensure
        <code>o.a.c.core.ApplicationContextFacade#setSessionTimeout</code> will
        invoke the correct method when running Tomcat with security manager.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the early access Servlet 4.0 API implementation to reflect the
        change in method name from <code>getPushBuilder()</code> to
        <code>newPushBuilder()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the X to comma refactoring that broke JMX
        operations that take parameters. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid a <code>NullPointerException</code> when reading attributes for a
        running HTTP connector where TLS is not enabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60940">60940</a>: Improve the handling of the <code>META-INF/</code> and
        <code>META-INF/MANIFEST.MF</code> entries for Jar files located in
        <code>/WEB-INF/lib</code> when running a web application from a packed
        WAR file. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Pre-load the <code>ExceptionUtils</code> class. Since the class is used
        extensively in error handling, it is prudent to pre-load it to avoid any
        failure to load this class masking the true problem during error
        handling. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid potential <code>NullPointerException</code>s related to access
        logging during shutdown, some of which have been observed when running
        the unit tests. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When there is no <code>javax.servlet.WriteListener</code> registered
        then a call to <code>javax.servlet.ServletOutputStream#isReady</code>
        will return <code>false</code> instead of throwing
        <code>IllegalStateException</code>. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When there is no <code>javax.servlet.ReadListener</code> registered
        then a call to <code>javax.servlet.ServletInputStream#isReady</code>
        will return <code>false</code> instead of throwing
        <code>IllegalStateException</code>. (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.14_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Align cipher configuration parsing with current OpenSSL master. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60970">60970</a>: Fix infinite loop if application tries to write a
        large header to the response when using HTTP/2. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.14_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60925">60925</a>: Improve the handling of access to properties defined
        by interfaces when a <code>BeanELResolver</code> is used under a
        <code>SecurityManager</code>. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.14_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the creating a constructor for a proxy class to reduce
        duplicate code. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        In <code>StatementFacade</code>, the method call on the statements that
        have been closed throw <code>SQLException</code> rather than
        <code>NullPointerException</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.14_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct comments about Java 8 in <code>Jre8Compat</code>.
        Patch provided by fibbers via Github. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60932">60932</a>: Correctly escape single quotes when used in i18n
        messages. Based on a patch by Michael Osipov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the custom Ant task that integrates with the Symantec code
        signing service to use the now mandatory 2-factor authentication.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.13_(markt)"><span id="Tomcat_8.5.13_(markt)_rtext" style="float: right;">2017-03-30</span> Tomcat 8.5.13 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.13_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=54618">54618</a>: Add support to the
        <code>HttpHeaderSecurityFilter</code> for the HSTS preload parameter.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60853">60853</a>: Expose the <code>SSLHostConfig</code> and
        <code>SSLHostConfigCertificate</code> objects via JMX. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60876">60876</a>: Ensure that <code>Set-Cookie</code> headers generated
        by the <code>Rfc6265CookieProcessor</code> are aligned with the
        specification. Patch provided by Jim Griswold. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60882">60882</a>: Fix a <code>NullPointerException</code> when obtaining
        a <code>RequestDispatcher</code> for a request that will not have any
        pathInfo associated with it. This was a regression in the changes in
        8.5.12 for the Servlet 4.0 API early preview changes. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Align <code>PushBuilder</code> API with changes from Servlet expert
        group. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the various implementations of X to comma separated list to a
        single utility class and update the code to use the new utility class.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60911">60911</a>: Ensure NPE will not be thrown when looking for SSL
        session ID. Based on a patch by Didier Gutacker. (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.13_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60362">60362</a>: Add a new Connector configuration
        <code>sendReasonPhrase</code>. When this attribute is set to
        <code>true</code>, a reason phrase will be sent with the response.
        By default a reason phrase will not be sent. This option is deprecated
        and is not available in Tomcat 9. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix HTTP/2 incorrect input unblocking on EOF. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Close the connection sooner if an event occurs for a current connection
        that is not consistent with the current state of that connection.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Speed up shutdown when using multiple acceptor threads by ensuring that
        the code that unlocks the acceptor threads correctly handles the case
        where there are multiple threads. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60852">60852</a>: Correctly spell compressible when used in
        configuration attributes and internal code. Based on a patch by Michael
        Osipov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60900">60900</a>: Avoid a <code>NullPointerException</code> in the APR
        Poller if a connection is closed at the same time as new data arrives on
        that connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve HPACK specification compliance by fixing some test failures
        reported by the h2spec tool written by Moto Ishizawa. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve HTTP/2 specification compliance by fixing some test failures
        reported by the h2spec tool written by Moto Ishizawa. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60918">60918</a>: Fix sendfile processing error that could lead to
        subsequent requests experiencing an <code>IllegalStateException</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve sendfile handling when requests are pipelined. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.13_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the error handling for simple tags to ensure that the tag is
        released and destroyed once used. (remm, violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60844">60844</a>: Correctly handle the error when fewer parameter values
        than required by the method are used to invoke an EL method expression.
        Patch provided by Daniel Gray. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.13_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60764">60764</a>: Implement <code>equals()</code> and
        <code>hashCode()</code> in the <code>StatementFacade</code> in order to
        enable these methods to be called on the closed statements if any
        statement proxy is set. This behavior can be changed with
        <code>useStatementFacade</code> attribute. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.13_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the build script and the NSIS installer script so that either
        NSIS 2.x or NSIS 3.x can be used to build the installer. This is
        primarily to re-enable building the installer on the Linux based CI
        system where the combination of NSIS 3.x and wine leads to failed
        installer builds. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.12_(markt)"><span id="Tomcat_8.5.12_(markt)_rtext" style="float: right;">2017-03-13</span> Tomcat 8.5.12 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60469">60469</a>: Refactor <code>RealmBase</code> for better code re-use
        when implementing Realms that use a custom <code>Principal</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60490">60490</a>: Various formatting and layout improvements for the
        <code>ErrorReportValve</code>. Patch provided by Michael Osipov. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60596">60596</a>: Improve performance of DefaultServlet when sendfile
        feature is disabled on connector. (kkolinko)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Make it easier for sub-classes of <code>Tomcat</code> to modify the
        default web.xml settings by over-riding
        <code>getDefaultWebXmlListener()</code>. Patch provided by Aaron
        Anderson. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Reduce the contention in the default <code>InstanceManager</code>
        implementation when multiple threads are managing objects and need to
        reference the annotation cache. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60674">60674</a>: Remove <code>final</code> marker from
        <code>CorsFilter</code> to enable sub-classing. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60683">60683</a>: Security manager failure causing NPEs when doing IO
        on some JVMs. (csutherl)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60688">60688</a>: Update the internal fork of Apache Commons BCEL to
        r1782855 to add early access Java 9 support to the annotation scanning
        code. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60694">60694</a>: Prevent NPE during authentication when no JASPIC
        <code>AuthConfigFactory</code> is available. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60697">60697</a>: When HTTP TRACE requests are disabled on the
        Connector, ensure that the HTTP OPTIONS response from custom servlets
        does not include TRACE in the returned Allow header. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60718">60718</a>: Improve error handling for asynchronous processing and
        correct a number of cases where the <code>requestDestroyed()</code>
        event was not being fired and an entry wasn't being made in the access
        logs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60720">60720</a>: Replace "WWW-Authenticate" literal with static final
        AUTH_HEADER_NAME in SpnegoAuthenticator. Patch provided by Michael
        Osipov. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        The default JASPIC <code>AuthConfigFactory</code> now correctly notifies
        registered <code>RegistrationListener</code>s when a new
        <code>AuthConfigProvider</code> is registered. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Improve the performance of <code>AuthenticatorBase</code> when there is
        no JASPIC configuration available. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When HTTP TRACE requests are disabled on the Connector, ensure that the
        HTTP OPTIONS response from the WebDAV servlet does not include
        TRACE in the returned Allow header. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60722">60722</a>: Take account of the
        <strong>dispatchersUseEncodedPaths</strong> setting on the current
        <strong>Context</strong> when generating paths for dispatches triggered
        by <code>AsyncContext.dispatch()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60728">60728</a>: Make the separator Tomcat uses in the Tomcat specific
        <code>war:file:...</code> URL protocol customizable via a system
        property. The separator is equivalent to the use of the <code>!</code>
        character in <code>jar:file:...</code> URLs. The default separator of
        <code>*</code> remains unchanged. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the <code>org.apache.catalina.servlet4preview</code> package that
        can be used to gain early access to Servlet 4.0 features to align with
        the latest proposals from the Servlet 4.0 expert group. This includes
        updates to the new Servlet mapping API, new methods on the
        <code>ServletContext</code> to make the available API more equivalent to
        the deployment descriptor, updates to the HTTP push API and the ability
        to set default request and response character encoding per web
        application. Note that the Servlet 4.0 API is still a work in progress
        and further changes are likely. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60798">60798</a>: Correct a bug in the handling of JARs in unpacked WARs
        that meant multiple attempts to read the same entry from a JAR in
        succession would fail for the second and subsequent attempts. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60808">60808</a>: Ensure that the <code>Map</code> returned by
        <code>ServletRequest.getParameterMap()</code> is fully immutable. Based
        on a patch provided by woosan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60824">60824</a>: Correctly cache the <code>Subject</code> in the
        session - if there is a session - when running under a
        <code>SecurityManager</code>. Patch provided by Jan Engehausen. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure request and response facades are used when firing application
        listeners. (markt/remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of case when an HTTP/2 client sends more data that is
        subject to flow control than the current window size allows. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve NIO2 look-ahead parsing of TLS client hello for SNI with large
        client hello messages. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59807">59807</a>: Provide a better error message when there is no
        <strong>SSLHostConfig</strong> defined with a <code>hostName</code> that
        matches the <code>defaultSSLHostConfigName</code> for the associated
        <strong>Connector</strong>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Include the value of <code>SslHostConfig.truststoreAlgorithm</code> when
        warning that the algorithm does not support the
        <code>certificateVerificationDepth</code> configuration option. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that executor thread pools used with connectors pre-start the
        configured minimum number of idle threads. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60594">60594</a>: Allow some invalid characters that were recently
        restricted to be processed in requests by using the system property
        <code>tomcat.util.http.parser.HttpParser.requestTargetAllow</code>.
        (csutherl)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60627">60627</a>: Modify the <code>Rfc6265CookieProcessor</code> so that
        in addition to cookie headers that start with an explicit RFC 2109
        <code>$Version=1</code>, cookies that start with <code>$Version=0</code>
        are also parsed as RFC 2109 cookies. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60716">60716</a>: Add a new JSSE specific attribute,
        <code>revocationEnabled</code>, to <code>SSLHostConfig</code> to permit
        JSSE provider revocation checks to be enabled when no
        <code>certificateRevocationListFile</code> has been configured. The
        expectation is that configuration will be performed via a JSSE provider
        specific mechanisms. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Modify the cookie header generated by the
        <code>Rfc6265CookieProcessor</code> so it always sends an
        <code>Expires</code> attribute as well as a <code>Max-Age</code>
        attribute to avoid problems with Microsoft browsers that do not support
        the <code>Max-Age</code> attribute. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60761">60761</a>: Expose a protected getter and setter for
        <code>NioEndpoint.stopLatch</code> to make the class easier to extend.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Prevent blocking reads after a stream exception occurs with HTTP/2.
        (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Follow up to the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58178">58178</a>. When creating the
        <code>ELContext</code> for a tag file, ensure that any registered
        <code>ELContextListener</code>s are fired. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor code generated for JSPs to reduce the size of the code required
        for tags. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60769">60769</a>: Correct a regression in the XML encoding detection
        refactoring carried out for 8.5.10 that incorrectly always used the
        detected BOM encoding in preference to any encoding specified in the
        prolog. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to the Eclipse JDT Compiler 4.6.1. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make the <code>accessTimeout</code> configurable in
        <code>BackupManager</code> and <code>ClusterSingleSignOn</code>. The
        <code>accessTimeout</code> is used as a timeout period for PING in
        replication map. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60806">60806</a>: To avoid <code>ClassNotFoundException</code>, make
        sure that the web application class loader is passed to
        <code>ReplicatedContext</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60617">60617</a>: Correctly create a <code>CONNECT</code> request when
        establishing a WebSocket connection via a proxy. Patch provided by
        Svetlin Zarev. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add log message that PING message has received beyond the timeout
        period. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When a PING message that beyond the time-out period has been received,
        make sure that valid member is added to the map membership. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>NoRpcChannelReply</code> messages are not received on
        <code>RpcCallback</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/Web_Applications">Web Applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add Specification and Javadoc references for JASPIC to the Docs
        application. (csutherl)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.12_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Spelling corrections provided by Josh Soref. (violetagg)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.12 to
        pick up the latest Windows binaries built with OpenSSL 1.0.2k. (violetagg)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60784">60784</a>: Update all unit tests that test the HTTP status line
        to check for the required space after the status code. Patch provided by
        Michael Osipov. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the NSIS Installer used to build the Windows installer to version
        3.01. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.11_(markt)"><span id="Tomcat_8.5.11_(markt)_rtext" style="float: right;">2017-01-16</span> Tomcat 8.5.11 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.11_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60620">60620</a>:
        Extend the <code>JreMemoryLeakPreventionListener</code> to provide
        protection against <code>ForkJoinPool.commonPool()</code> related memory
        leaks. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.11_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure UpgradeProcessor instances associated with closed connections are
        removed from the map of current connections to Processors. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove a workaround for a problem previously reported with WebSocket,
        TLS and APR that treated some error conditions as not errors. The
        original problem cannot be reproduced with the current code and the
        work-around is now causing problems. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.11_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60497">60497</a>: Follow up fix using a better variable name for the
        tag reuse flag. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Revert use of try/finally for simple tags. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.11_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Prevent potential processing loop on unexpected WebSocket connection
        closure. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.11_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Enable reset the statistics without restarting the pool. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.11_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Spelling corrections provided by Josh Soref. (violetagg)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.10_(markt)"><span id="Tomcat_8.5.10_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.10 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.10_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=53602">53602</a>: Add HTTP status code 451 (RFC 7725) to the list of
        HTTP status codes recognised by the ErrorReportValve. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60446">60446</a>: Handle the case where the stored user credential uses
        a different key length than the length currently configured for the
        <code>CredentialHandler</code>. Based on a patch by Niklas Holm. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the warnings that reference required options for running on Java
        9 to use the latest syntax for those options. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60513">60513</a>: Fix thread safety issue with RMI cleanup code. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.10_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Expand the search process for a server certificate when OpenSSL is used
        with a JSSE connector and an explicit alias has not been configured.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60450">60450</a>: Improve the selection algorithm for the default trust
        store type for a TLS Virtual Host. In particular, don't use
        <code>PKCS12</code> as a default trust store type. Better document how
        the default trust store type is selected for a TLS virtual host. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60451">60451</a>: Correctly handle HTTP/2 header values that contain
        characters with unicode code points in the range 128 to 255. Reject
        with a clear error message HTTP/2 header values that contain characters
        with unicode code points above 255. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the logic that selects an address to use to unlock the Acceptor
        to take account of platforms what do not listen on all local addresses
        when configured with an address of <code>0.0.0.0</code> or
        <code>::</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the refactoring to make wider use of
        <code>ByteBuffer</code> that caused an intermittent failure in the unit
        tests. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60482">60482</a>: HTTP/2 shouldn't do URL decoding on the query string.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix an HTTP/2 compression error. Once a new size has been agreed for the
        dynamic HPACK table, the next header block must begin with a dynamic
        table update. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60508">60508</a>: Set request start time for HTTP/2. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.10_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Implement a simpler JSP file encoding detector that delegates XML prolog
        encoding detection to the JRE rather than using a custom XML parser.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60497">60497</a>: Restore previous tag reuse behavior following the use
        of try/finally. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the error handling for simple tags to ensure that the tag is
        released and destroyed once used. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.10_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle blocking WebSocket writes when the write times out just
        before the write is attempted. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.10_(markt)/Web_Applications">Web Applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        In the documentation web application, be explicit that clustering
        requires a secure network for all of the cluster network traffic.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the ASF logos to the new versions.
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60344">60344</a>: Add a note to BUILDING.txt regarding using the source
        bundle with the correct line endings. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60468">60468</a>: Correct the format of the sample ISO-8601 date used
        to report the build date for the documentation. Patch provided by
        Michael Osipov. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.10_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the ASF logos used in the Apache Tomcat installer for Windows to
        use the new versions.
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.9_(markt)"><span id="Tomcat_8.5.9_(markt)_rtext" style="float: right;">2016-12-08</span> Tomcat 8.5.9 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60202">60202</a>: Add an available flag to realms, to indicate the
        state, or the realm backend. Update lockout realm to only register
        auth failures if the realm is available. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60340">60340</a>: Readability improvements for CSS used in
        DefaultServlet and ErrorReportValve. Patch provided by Michael
        Osipov. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60351">60351</a>: Delay creating <code>META-INF/war-tracker</code> file
        until after the WAR has been expanded to address the case where the
        Tomcat process terminates during the expansion. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly generate URLs for resources located inside JARs that are
        themselves located inside a packed WAR file. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle the <code>configClass</code> attribute of a Host when
        embedding Tomcat. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60368">60368</a>: Restore egde case for embedded allowing the connector
        to be removed. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60379">60379</a>: Dispose of the GSS credential once it is no longer
        required. Patch provided by Michael Osipov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60380">60380</a>: Ensure that a call to
        <code>HttpServletRequest#logout()</code> triggers a call to
        <code>TomcatPrincipal#logout()</code>. Based on a patch by Michael
        Osipov. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60387">60387</a>: Correct the javadoc for
        <code>o.a.catalina.AccessLog.setRequestAttributesEnabled</code>.
        The default value is different for the different implementations.
        (violetagg)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60393">60393</a>: Use consistent parameter naming in implementations of
        <code>Realm#authenticate(GSSContext, boolean)</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60395">60395</a>: Log when an <code>Authenticator</code> passes an
        incomplete <code>GSSContext</code> to a Realm since it indicates a bug
        in the <code>Authenticator</code>. Patch provided by Michael Osipov.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60400">60400</a>: When expanding the buffer used for reading the
        request body, ensure the read position will be restored to the
        original one. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60410">60410</a>: Ensure that multiple calls to
        <code>JarInputStreamWrapper#close()</code> do not incorrectly trigger
        the closure of the underlying JAR or WAR file. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60411">60411</a>: Implement support in the <code>RewriteValve</code> for
        symbolic names to specify the redirect code to use when returning a
        redirect response to the user agent. Patch provided by Michael Osipov.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60413">60413</a>: In the <code>RewriteValve</code> write empty capture
        groups as the empty string rather than as <code>"null"</code>
        when generating the re-written URL. Based on a patch by Michael Osipov.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60372">60372</a>: Ensure the response headers' buffer limit is reset to
        the capacity of this buffer when IOException occurs while writing the
        headers to the socket. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the availability of configured upgrade protocols that
        require ALPN is correctly reported during Tomcat start. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60386">60386</a>: Implement a more sophisticated pruning algorithm for
        removing closed streams from the priority tree to ensure that the tree
        does not grow too large. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60409">60409</a>: When unable to complete sendfile request, ensure the
        Processor will be added to the cache only once. (markt/violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the endpoint is able to unlock the acceptor thread during
        shutdown if the endpoint is configured to listen to any local address
        of a specific type such as <code>0.0.0.0</code> or <code>::</code>.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a new configuration option, <code>ipv6v6only</code> to the APR
        connectors that allows them to be configure to only accept IPv6
        connections when configured with an IPv6 address rather than the
        default which is to accept IPv4 connections as well if the operating
        system uses a dual network stack. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the logic that unlocks the acceptor thread so a better choice is
        made for the address to connect to when a connector is configured for
        any local port. This reduces the likelihood of the unlock failing.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60436">60436</a>: Avoid a potential NPE when processing async timeouts.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Reduce the window in which an async request that has just started
        processing on a container thread remains eligible for an async timeout.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60431">60431</a>: Improve handling of varargs in UEL expressions. Based
        on a patch by Ben Wolfe. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix JDK version number documented in BUILDING.txt. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a typo in Host Configuration Reference.
        Issue reported via comments.apache.org. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60412">60412</a>: Add information on the comment syntax for the
        <code>RewriteValve</code> configuration. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60467">60467</a>: remove problematic characters from XML documentation.
        Based upon a patch by Michael Osipov. (schultz)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Reduce the warning logs for a message received from a different domain
        in order to avoid excessive log outputs. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60437">60437</a>: Avoid possible handshake overflows in the websocket
        client. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58816">58816</a>: Implement the statistics of jdbc-pool. The stats infos
        are <code>borrowedCount</code>, <code>returnedCount</code>,
        <code>createdCount</code>, <code>releasedCount</code>,
        <code>reconnectedCount</code>, <code>releasedIdleCount</code> and
        <code>removeAbandonedCount</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60194">60194</a>: If <code>validationQuery</code> is not specified,
        connection validation is done by calling the <code>isValid()</code>
        method. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60398">60398</a>: Fix testcase of <code>TestSlowQueryReport</code>.
        (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.9_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Allow customization of service.bat, such as heap memory size, service
        startup mode and JVM args. Patch provided by isapir via Github.
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60366">60366</a>: Change <code>catalina.bat</code> to use directly
        <code>LOGGING_MANAGER</code> and <code>LOGGING_CONFIG</code> variables
        in order to configure logging, instead of modifying
        <code>JAVA_OPTS</code>. Patch provided by Petter Isberg. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60383">60383</a>: JASPIC API is added as a dependency to the
        <code>org.apache.tomcat:tomcat-catalina</code> maven artifact.
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the comments associated with the TLS Connector examples in
        <code>server.xml</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        New property is added <code>test.verbose</code> in order to control
        whether the output of the tests is displayed on the console or not.
        Patch provided by Emmanuel Bourg. (violetagg)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <code>TestOpenSSLCipherConfigurationParser.testSpecification</code>
        - if there are test failures, provide more detailed information. Patch
        provided by Emmanuel Bourg. (violetagg)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.8_(markt)"><span id="Tomcat_8.5.8_(markt)_rtext" style="float: right;">2016-11-08</span> Tomcat 8.5.8 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.8_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Check that threadPriority values used in AbstractProtocol are valid.
        (fschumacher)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.7_(markt)"><span id="Tomcat_8.5.7_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.7 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.7_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When creating a new Connector via JMX, ensure that both HTTP/1.1 and
        AJP/1.3 connectors can be created. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Include the Context name in the log message when an item cannot be
        added to the cache. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Exclude JAR files in <code>/WEB-INF/lib</code> from the static resource
        cache. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When calling <code>getResourceAsStream()</code> on a directory, ensure
        that <code>null</code> is returned. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60161">60161</a>: Allow creating subcategories of the container logger,
        and use it for the rewrite valve. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly test for control characters when reading the provided shutdown
        password. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60297">60297</a>: Simplify connector creation in embedded mode. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor creation of containers in embedded mode for more consistency
        and flexibility. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Introduce new methods <code>read(ByteBuffer)</code>/
        <code>write(ByteBuffer)</code> in
        <code>o.a.catalina.connector.CoyoteInputStream</code>/
        <code>o.a.catalina.connector.CoyoteOutputStream</code>. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When configuring the JMX remote listener, specify the allowed types for
        the credentials. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.7_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the HPACK header table size configuration that transposed the
        client and server table sizes when creating the encoder and decoder.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Don't continue to process an HTTP/2 stream if it is reset during header
        parsing. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        HTTP/2 uses separate headers for each Cookie. As required by RFC 7540,
        merge these into a single Cookie header before processing continues.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Align the HTTP/2 implementation with the HTTP/1.1 implementation and
        return a 500 response when an unhandled exception occurs during request
        processing. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the HTTP header parser so that DEL is not treated as a valid
        token character. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add checks around the handling of HTTP/2 pseudo headers. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for trailer headers to the HTTP/2 implementation. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60232">60232</a>: When processing headers for an HTTP/2 stream, ensure
        that the read buffer is large enough for the header being processed.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add configuration options to the HTTP/2 implementation to control the
        maximum number of headers allowed, the maximum size of headers allowed,
        the maximum number of trailer headers allowed, the maximum size of
        trailer headers allowed and the maximum number of cookies allowed.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly differentiate between sending and receiving a reset frame when
        tracking the state of an HTTP/2 stream. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60319">60319</a>: When using an Executor, disconnect it from the
        Connector attributes <code>maxThreads</code>,
        <code>minSpareThreads</code> and <code>threadPriority</code> to enable
        the configuration settings to be consistently reported. These Connector
        attributes will be reported as <code>-1</code> when an Executor is in
        use. The values used by the executor may be set and obtained via the
        Executor. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If an I/O error occurs during async processing on a non-container
        thread, ensure that the <code>onError()</code> event is triggered.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve detection of I/O errors during async processing on non-container
        threads and trigger async error handling when they are detected. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add additional checks for valid characters to the HTTP request line
        parsing so invalid request lines are rejected sooner. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.7_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add HTTP/2 configuration information to the documentation web
        application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix default value of <code>validationInterval</code> attribute in
        jdbc-pool. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a typo in CGI How-To.
        Issue reported via comments.apache.org. (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.7_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When the proxy node sends a backup retrieve message, ensure that using
        the <code>channelSendOptions</code> that has been set rather than the
        default <code>channelSendOptions</code>. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.7_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add the JASPIC API jar to the Maven Central publication script. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove classes from tomcat-util-scan.jar that are duplicates of those in
        tomcat-util.jar. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.6_(markt)"><span id="Tomcat_8.5.6_(markt)_rtext" style="float: right;">2016-10-10</span> Tomcat 8.5.6 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.6_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59961">59961</a>: Add an option to the <code>StandardJarScanner</code>
        to control whether or not JAR Manifests are scanned for additional
        class path entries. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60013">60013</a>: Refactor the previous fix to align the behaviour of
        the Rewrite Valve with mod_rewrite. As part of this, provide an
        implementation for the <code>B</code> and <code>NE</code> flags and
        improve the handling for the <code>QSA</code> flag. Includes multiple
        test cases by Santhana Preethiand a patch by Tiago Oliveira. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60087">60087</a>: Refactor the web resources handling to use the Tomcat
        specific <code>war:file:...</code> URL protocol to refer to WAR files
        and their contents rather than the standard <code>jar:file:...</code>
        form since some components of the JRE, such as JAR verification, give
        unexpected results when the standard form is used. A side-effect of the
        refactoring is that when using packed WARs, it is now possible to
        reference a WAR and/or specific JARs within a WAR in the security policy
        file used when running under a <code>SecurityManager</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60116">60116</a>: Fix a problem with the rewrite valve that caused back
        references evaluated in conditions to be forced to lower case when using
        the <code>NC</code> flag. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure <code>Digester.useContextClassLoader</code> is considered in
        case the class loader is used. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60117">60117</a>: Ensure that the name of <code>LogLevel</code> is
        localized when using <code>OneLineFormatter</code>. Patch provided by
        Tatsuya Bessho. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60138">60138</a>: Fix the <code>SSLHostConfig</code> so that the
        <code>protocols</code> attribute is limited to the protocols supported
        by the current JSSE implementation rather than the default protocols
        used by the implementation. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60146">60146</a>: Improve performance for resource retrieval by making
        calls to WebResource.getInputStream() trigger caching if the resource is
        small enough. Patch provided by mohitchugh. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60151">60151</a>: Improve the exception error messages when a
        <code>ResourceLink</code> fails to specify the type, specifies an
        unknown type or specifies the wrong type. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60167">60167</a>: Ignore empty lines in <code>/etc/passwd</code> files
        when using the <code>PasswdUserDatabase</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60170">60170</a>: Exclude the compressed test file
        <code>index.html.br</code> from RAT analysis. Patch provided by Gavin
        McDonald. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When starting web resources, ensure that class resources are only
        started once. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the access checks for linked global resources to handle the case
        where the current class loader is a child of the web application class
        loader. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60196">60196</a>: Ensure that the <code>isMandatory</code> flag is
        correctly set when using JASPIC authentication. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60199">60199</a>: Log a warning if deserialization issues prevent a
        session attribute from being loaded. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60208">60208</a>: When using RFC6265 compliant cookies, the
        <code>/</code> character should not be allowed in a cookie name since
        the RFC6265 will drop such cookies as invalid. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.6_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Refactor the code that implements the requirement that a call to
        <code>complete()</code> or <code>dispatch()</code> made from a
        non-container thread before the container initiated thread that called
        <code>startAsync()</code> completes must be delayed until the container
        initiated thread has completed. Rather than implementing this by
        blocking the non-container thread, extend the internal state machine to
        track this. This removes the possibility that blocking the non-container
        thread could trigger a deadlock. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fail earlier if the client closes the connection during SNI processing.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60123">60123</a>: Avoid potential threading issues that could cause
        excessively large vales to be returned for the processing time of
        a current request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60174">60174</a>: Log instances of <code>HeadersTooLargeException</code>
        during request processing. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60173">60173</a>: Allow up to 64kB HTTP/2 header table size limit. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Java 9 compatibility of direct ByteBuffer cleaner. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.6_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60101">60101</a>: Remove preloading of the class that was deleted.
        (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.6_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Expand the documentation for the nested elements within a
        <code>Resources</code> element to clarify the behaviour of different
        configuration options with respect to the order in which resources are
        searched. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add an example of using the <code>classesToInitialize</code> attribute
        of the <code>JreMemoryLeakPreventionListener</code> to the documentation
        web application. Based on a patch by Cris Berneburg. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60192">60192</a>: Correct a typo in the status output of the Manager
        application. Patch provided by  Radhakrishna Pemmasani. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.6_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Notify jmx when returning the connection that has been marked suspect.
        (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the <code>POOL_EMPTY</code> notification has been added to
        the jmx notification types. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60099">60099</a>: Ensure that use all method arguments as a cache key
        when using <code>StatementCache</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60139">60139</a>: Correct Javadocs for
        <code>PoolConfiguration.getValidationInterval</code> and
        <code>setValidationInterval</code>. Reported by Phillip Webb. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.6_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update the download location for Objenesis. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60164">60164</a>: Replace <code>log4j-core*.jar</code> with
        <code>log4j-web*.jar</code> since it is <code>log4j-web*.jar</code> that
        contains the <code>ServletContainerInitializer</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add documentation to the bin/catalina.bat script to remind users that
        environment variables don't affect the configuration of Tomcat when
        run as a Windows Service. Based upon a documentation patch by
        James H.H. Lampert. (schultz)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.10 to
        pick up the latest Windows binaries built with OpenSSL 1.0.2j. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.5_(markt)"><span id="Tomcat_8.5.5_(markt)_rtext" style="float: right;">2016-09-05</span> Tomcat 8.5.5 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.5_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=18500">18500</a>: Add limited support for wildcard host names and host
        aliases. Names of the form <code>*.domainname</code> are now permitted.
        Note that an exact host name match takes precedence over a wild card
        host name match. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59813">59813</a>: Ensure that circular relations of the Class-Path
        attribute from JAR manifests will be processed correctly. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that reading the <code>singleThreadModel</code> attribute of a
        <code>StandardWrapper</code> via JMX does not trigger initialisation of
        the associated servlet. With some frameworks this can trigger an
        unexpected initialisation thread and if initialisation is not thread-safe
        the initialisation can then fail. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Compatibility with rewrite from httpd for non existing headers.
        (jfclere)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        By default, treat paths used to obtain a request dispatcher as encoded.
        This behaviour can be changed per web application via the
        <code>dispatchersUseEncodedPaths</code> attribute of the Context.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59839">59839</a>: Apply <code>roleSearchAsUser</code> to all nested searches
        in JNDIRealm. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59859">59859</a>: Fix resource leak in WebDAV servlet. Based on patch by
        Coty Sutherland. (fschumacher)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Provide a mechanism that enables the container to check if a component
        (typically a web application) has been granted a given permission when
        running under a SecurityManager without the current execution stack
        having to have passed through the component. Use this new mechanism to
        extend SecurityManager protection to the system property replacement
        feature of the digester. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When retrieving an object via a <code>ResourceLink</code>, ensure that
        the object obtained is of the expected type. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59823">59823</a>: Ensure that JASPIC configuration is taken into account
        when calling <code>HttpServletRequest.authenticate()</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59824">59824</a>: Mark the <code>RewriteValve</code> as supporting async
        processing by default. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59862">59862</a>: Allow nested jar files scanning to be filtered with
        the system property
        <code>tomcat.util.scan.StandardJarScanFilter.jarsToSkip</code>. Patch
        is provided by Terence Bandoian. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59866">59866</a>: When scanning <code>WEB-INF/classes</code> for
        annotations, don't scan the contents of
        <code>WEB-INF/classes/META-INF</code> (if present) since classes will
        never be loaded from that location. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59888">59888</a>: Correctly handle tabs and spaces in quoted version one
        cookies when using the <code>Rfc6265CookieProcessor</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59912">59912</a>: Fix an edge case in input stream handling where an
        <code>IOException</code> could be thrown when reading a POST body.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59913">59913</a>: Correct a regression introduced with the support for
        the Servlet 4 <code>HttpServletRequest.getMapping()</code> API that
        caused the attributes for forwarded requests to be lost if requested
        from within a subsequent include. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59966">59966</a>: Do not start the web application if the error page
        configuration in web.xml is invalid. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Switch the CGI servlet to the standard logging mechanism and remove
        support for the debug attribute. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60012">60012</a>: Improvements in the log messages. Based on
        suggestions by Nemo Chen. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Changes to the <code>allowLinking</code> attribute of a
        <code>StandardRoot</code> instance now invalidate the cache if caching
        is enabled. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a new initialisation parameter, <code>envHttpHeaders</code>, to
        the CGI Servlet to mitigate <a href="https://httpoxy.org">httpoxy</a>
        (<a href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5388">CVE-2016-5388</a>) by default and to provide a mechanism that can be
        used to mitigate any future, similar issues. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When adding and removing <code>ResourceLink</code>s dynamically, ensure
        that the global resource is only visible via the
        <code>ResourceLinkFactory</code> when it is meant to be. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60008">60008</a>: When processing CORs requests, treat any origin with a
        URI scheme of <code>file</code> as a valid origin. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of exceptions during a Lifecycle events triggered by a
        state transition. The exception is now caught and the component is now
        placed into the <code>FAILED</code> state. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60013">60013</a>: Fix encoding issues when using the RewriteValve with
        UTF-8 query strings or UTF-8 redirect URLs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60022">60022</a>: Improve handling when a WAR file and/or the associated
        exploded directory are symlinked into the <code>appBase</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a file descriptor leak when reading the global web.xml. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Consistently decode URL patterns provided via web.xml using the encoding
        of the web.xml file where specified or UTF-8 where no explicit encoding
        is specified. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make timing attacks against the Realm implementations harder. (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        A number of the JRE memory leaks addressed by the
        <code>JreMemoryLeakPreventionListener</code> have been fixed in Java 9
        so the associated protection is now disabled when running on Java 9
        onwards. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.5_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in refactoring to enable injection of custom
        keystores that broke the automatic conversion of OpenSSL style PEM
        key and certificate files for use with JSSE TLS connectors. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59910">59910</a>: Don't hardcode key alias value to "tomcat" for JSSE.
        When using a keystore, OpenSSL will still default to it. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59904">59904</a>: Add a limit (default 200) for the number of cookies
        allowed per request. Based on a patch by gehui. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59925">59925</a>: Correct regression in r1628368 and ensure that HTTP
        separators are handled as configured in the
        <code>LegacyCookieProcessor</code>. Patch provided by Kyohei Nakamura.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59950">59950</a>: Correct log message when reporting that the current
        number of HTTP/2 streams for a connection could not be pruned to below
        the limit. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>Semaphore.release</code> is called in all cases. Even
        when there is an exception. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60030">60030</a>: Correct a potential infinite loop in the SNI parsing
        code triggered by failing to handle an end of stream condition. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Small logging optimization in the <code>Rfc6265CookieProcessor</code>.
        Patch provided by Svetlin Zarev. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        OpenSSL now disables 3DES by default so reflect this when using OpenSSL
        syntax to select ciphers. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use the proper ERROR socket status code for async errors with NIO2.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60035">60035</a>: Fix a potential connection leak if the client drops a
        TLS connection before the handshake completes. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the JSSE client certificate validation so that the
        effectiveness of the <code>certificateVerificationDepth</code>
        configuration attribute does not depend on the presence of a certificate
        revocation list. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Log a warning at start up if a JSSE TLS connector is configured with
        a trusted certificate that is either not yet valid or has expired.
        (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.5_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When writing out a full web.xml file with JspC ensure that the encoding
        used in the XML prolog matches the encoding used to write the contents
        of the file. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve the error handling for custom tags to ensure that the tag is
        returned to the pool or released and destroyed once used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60032">60032</a>: Fix handling of method calls that use varargs within
        EL value expressions. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ignore <code>engineOptionsClass</code> and <code>scratchdir</code> when
        running under a security manager. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fixed StringIndexOutOfBoundsException. Based on a patch provided by
        wuwen via Github. (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.5_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59908">59908</a>: Ensure that a reason phrase is included in the close
        message if a session is closed due to a timeout. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.5_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59867">59867</a>: Correct the documentation provided by Manager's
        403.jsp. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59868">59868</a>: Clarify the documentation for the Manager web
        application to make clearer that the host name and IP address in the
        server section are the primary host name and IP address. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59940">59940</a>: Correct the name of the
        <code>truststorePassword</code> attribute of the
        <code>SSLHostConfig</code> element in the configuration documentation.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        MBeans Descriptors How-To is moved to
        <code>mbeans-descriptors-howto.html</code>. Patch provided by Radoslav
        Husar. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update NIO Connector configuration documentation with an information
        about <code>socket.directSslBuffer</code>. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60034">60034</a>: Correct a typo in the Manager How-To page of the
        documentation web application. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.5_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        In order to avoid the unintended skip of <code>PoolCleaner</code>,
        remove the check code of the execution interval in the task that has
        been scheduled. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59850">59850</a>: Ensure that the <code>ResultSet</code> is closed when
        enabling the <code>StatementCache</code> interceptor. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59923">59923</a>: Reduce the default value of
        <code>validationInterval</code> in order to avoid the potential issue
        that continues to return an invalid connection after database restart.
        (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the <code>ResultSet</code> is returned as Proxy object when
        enabling the <code>StatementDecoratorInterceptor</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60043">60043</a>: Ensure that the <code>suspectTimeout</code> works
        without removing connection when the <code>removeAbandoned</code> is
        disabled. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add log message of when returning the connection that has been marked
        suspect. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct Javadoc for <code>ConnectionPool.suspect()</code>. Based on a
        patch by Yahya Cahyadi. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.5_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59871">59871</a>: Add a property (<code>timeFormat</code>) to
        JULI's <code>OneLineFormatter</code> to enable the format of the
        time stamp used in log messages to be configured. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59899">59899</a>: Update Tomcat's copy of the Java Persistence
        annotations to include the changes made in 2.1 / JavaEE 7. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fixed typos in mbeans-descriptors.xml files. (violetagg)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons BCEL to r1757132 to align with the
        BCEL 6 release. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons DBCP 2 to r1757164 to pick up a
        couple of bug fixes. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Codec to r1757174. Code formatting
        changes only. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons FileUpload to afdedc9. This pulls in
        a fix to improve the performance with large multipart boundaries.
        (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.4_(markt)"><span id="Tomcat_8.5.4_(markt)_rtext" style="float: right;">2016-07-12</span> Tomcat 8.5.4 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57705">57705</a>: Add debug logging for requests denied by the remote
        host and remote address valves and filters. Based on a patch by Graham
        Leggett. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58588">58588</a> that removed the
        entire <code>org.apache.juli</code> package from the embedded JARs
        rendering them unusable. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59399">59399</a>: Add a new option to the Realm implementations that
        ship with Tomcat that allows the HTTP status code used for HTTP -&gt; HTTPS
        redirects to be controlled per Realm. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Change the default of the
        <code>sessionCookiePathUsesTrailingSlash</code> attribute of the
        <code>Context</code> element to <code>false</code> since the problems
        caused when a Servlet is mapped to <code>/*</code> are more significant
        than the security risk of not enabling this option by default. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Follow-up to <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59655">59655</a>. Improve the documentation for configuring
        permitted cookie names. Patch provided by Kyohei Nakamura. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not attempt to start web resources during a web application's
        initialisation phase since the web application is not fully configured
        at that point and the web resources may not be correctly configured.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59708">59708</a>: Modify the LockOutRealm logic. Valid authentication
        attempts during the lock out period will no longer reset the lock out
        timer to zero. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve error handling around user code prior to calling
        <code>InstanceManager.destroy()</code> to ensure that the method is
        executed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor the certificate keystore and trust store generation to make it
        easier for embedded users to inject their own key stores. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59233">59233</a>: Add the ability to add TLS virtual hosts dynamically.
        (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add a <code>maxConcurrentStreamExecution</code> on the HTTP/2
        protocol handler to allow restricting the amount of concurrent stream
        that are being executed in a single connection. The default is to
        not limit it. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a problem with <code>ServletRequest.getServerPort()</code> for
        secure HTTP/2 connections that meant an incorrect value was returned when
        using the default port. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve error handling around user code prior to calling
        <code>InstanceManager.destroy()</code> to ensure that the method is
        executed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Document the default for the HTTP/2 configuration parameter
        <code>maxConcurrentStreamExecution</code> as 20. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve error handling around user code prior to calling
        <code>InstanceManager.destroy()</code> to ensure that the method is
        executed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Now the WebSocket implementation is not built directly on top of the
        Servlet API and can use Tomcat internals, there is no need for the
        dedicated WebSocket Executor. It has been replaced by the use of the
        Connector/Endpoint provided Executor. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve error handling around user code prior to calling
        <code>InstanceManager.destroy()</code> to ensure that the method is
        executed. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/Web_Applications">Web Applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not log an additional case of <code>IOException</code>s in the
        error handler for the Drawboard WebSocket example when the root cause is
        the client disconnecting since the logs add no value. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59642">59642</a>: Mention the <code>localDataSource</code> in the
        <code>DataSourceRealm</code> section of the Realm How-To. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59672">59672</a>: Update the security considerations page of the
        documentation web application to take account of the fact that the
        Manager and HostManager applications now have a
        <code>RemoteAddrValve</code> configured by default. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Follow-up to the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59399">59399</a>. Ensure that the new attribute
        <code>transportGuaranteeRedirectStatus</code> is documented for all
        <strong>Realm</strong>s. Also document the <code>NullRealm</code> and
        when it is automatically created for an <strong>Engine</strong>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the description of <code>maxAge</code> attribute in jdbc-pool doc.
        This attribute works both when a connection is returned and when a
        connection is borrowed. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59774">59774</a>: Correct the <code>prefix</code> values in the
        documented examples for configuring the <code>AccessLogValve</code>.
        Patch provided by Mike Noordermeer. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Extras">Extras</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58588">58588</a>: Remove the JULI extras package from the distribution.
        It was only useful for switching Tomcat's internal logging to log4j
        1.2.x and that version of log4j is no longer supported. No additional
        Tomcat code is required if switching Tomcat's internal logging to log
        via log4j 2.x. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add log message when the ping has timed-out. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If the ping message has been received at the
        <code>AbstractReplicatedMap#leftOver</code> method, ensure that notify
        the member is alive than ignore it. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix the duplicated connection release when connection verification
        failed. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that do not remove the abandoned connection that has been already
        released. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.4_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59276">59276</a>: Update optional Checkstyle library to 6.17. (kkolinko)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Use the mirror network rather than the ASF master site to download the
        current ASF dependencies. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.8 to
        pick up the latest fixes and make 1.2.8 the minimum recommended version.
        (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Use UTF-8 with a standard prolog for all XML files. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.3_(markt)"><span id="Tomcat_8.5.3_(markt)_rtext" style="float: right;">2016-06-13</span> Tomcat 8.5.3 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.3_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        RMI Target related memory leaks are avoidable which makes them an
        application bug that needs to be fixed rather than a JRE bug to work
        around. Therefore, start logging RMI Target related memory leaks on web
        application stop. Add an option that controls if the check for these
        leaks is made. Log a warning if running on Java 9 with this check
        enabled but without the command line option it requires. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure NPE will not be thrown during deployment when scanning jar files
        without MANIFEST.MF file. (violetagg)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove the <code>clearReferencesStatic</code> option from
        <code>StandardContext</code>. It was known to cause problems with some
        libraries (such as log4j) and was only linked to suspected memory leaks
        rather than known memory leaks. It had been disabled by default with no
        increase in the reports of memory leaks for some time. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59604">59604</a>: Correct the assumption made in the URL decoding that
        the default platform encoding is always compatible with ISO-8859-1. This
        assumption is not always valid, e.g. on z/OS. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59608">59608</a>: Skip over any invalid <code>Class-Path</code> attribute
        from JAR manifests. Log errors at debug level due to many bad libraries.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix error message when failed to register MBean. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59655">59655</a>: Configure the cookie name validation to use RFC6265 rules by default to
        align it with the default cookie parser. Document the impact system properties have on
        cookie name validation. (mark)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.3_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that requests with HTTP method names that are not tokens (as
        required by RFC 7231) are rejected with a 400 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When an asynchronous request is processed by the AJP connector, ensure
        that request processing has fully completed before starting the next
        request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve handling of HTTP/2 stream resets. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58750">58750</a>: The HTTP Server header is no longer set by default. A
        Server header may be configured by setting the <code>server</code>
        attribute on the <code>Connector</code>. A new <code>Connector</code>
        attribute, <code>serverRemoveAppProvidedValues</code> may be used to
        remove any Server header set by a web application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59564">59564</a>: Correct offset when reading into HTTP/2 input buffer
        that could cause problems reading request bodies. (violetagg/markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Modify the handling of read/write timeouts so that the appropriate error
        handling (<code>ReadListener.onError()</code>,
        <code>WriteListener.onError()</code> or
        <code>AsyncListener.onError()</code>) is called. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
       If an async dispatch results in the completion of request processing,
       ensure that any remaining request body is swallowed before starting the
       processing of the next request else the remaining body may be read as the
       start of the next request leading to a 400 response. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a cause of multiple attempts to close the same socket. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.3_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59567">59567</a>: Fix NPE scanning webapps for TLDs when an exploded
        JAR has an empty WEB-INF/classes/META-INF folder. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a memory leak in the expression language implementation that caused
        the class loader of the first web application to use expressions to be
        pinned in memory. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59654">59654</a>: Improve error message when attempting to use a TLD
        file from an invalid location. Patch provided by Huxing Zhang. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.3_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59659">59659</a>: Fix possible memory leak in WebSocket handling of
        unexpected client disconnects. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.3_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58891">58891</a>: Update the SSL how-to. Based on a suggestion by
        Alexander Kj&auml;ll. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.3_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a memory leak with the pool cleaner thread that retained a reference
        to the web application class loader for the first web application to use
        a connection pool. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.3_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons DBCP 2 to r1743696 (2.1.1 plus
        additional fixes). (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Pool 2 to r1743697 (2.4.2 plus
        additional fixes). (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons File Upload to r1743698 (1.3.1 plus
        additional fixes). (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58626">58626</a>: Add support for a new environment variable
        (<code>USE_NOHUP</code>) that causes <code>nohup</code> to be used when
        starting Tomcat. It is disabled by default except on HP-UX where it is
        enabled by default since it is required when starting Tomcat at boot on
        HP-UX. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.2_(markt)"><span id="Tomcat_8.5.2_(markt)_rtext" style="float: right;">2016-05-16</span> Tomcat 8.5.2 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.2_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that annotated web components packed in web fragments will be
        processed when <code>unpackWARs</code> is enabled. (violetagg)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.1_(markt)"><span id="Tomcat_8.5.1_(markt)_rtext" style="float: right;">not released</span> Tomcat 8.5.1 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.1_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59206">59206</a>: Ensure NPE will not be thrown by
        <code>o.a.tomcat.util.file.ConfigFileLoader</code> when
        <code>catalina.base</code> is not specified. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59217">59217</a>: Remove duplication in the recycling of the path in
        <code>o.a.tomcat.util.http.ServerCookie</code>. Patch is provided by
        Kyohei Nakamura. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fixed possible NPE in
        <code>o.a.catalina.loader.WebappClassLoaderBase.getResourceAsStream</code>
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59213">59213</a>: Async dispatches should be based off a wrapped request.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>javax.servlet.ServletRequest</code> and
        <code>javax.servlet.ServletResponse</code> provided during
        <code>javax.servlet.AsyncListener</code> registration are made
        available via <code>javax.servlet.AsyncEvent.getSuppliedRequest</code>
        and <code>javax.servlet.AsyncEvent.getSuppliedResponse</code>
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59219">59219</a>: Ensure <code>AsyncListener.onError()</code> is called
        if an <code>Exception</code> is thrown during async processing. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59220">59220</a>: Ensure that <code>AsyncListener.onComplete()</code> is
        called if the async request times out and the response is already
        committed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59226">59226</a>: Process the <code>Class-Path</code> attribute from
        JAR manifests for JARs on the class path excluding JARs packaged in
        <code>WEB-INF/lib</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59255">59255</a>: Fix possible NPE in mapper. (kkolinko/remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59256">59256</a>: <code>slf4j-taglib*.jar</code> should not be excluded
        from the standard JAR scanning by default. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Clarify in the log message that specifying both urlPatterns and value
        attributes in WebServlet and WebFilter annotations is not allowed.
        (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure the exceptions caused by Valves will be available in the log
        files so that they can be evaluated when
        <code>o.a.catalina.valves.ErrorReportValve.showReport</code> is
        disabled. Patch is provided by Svetlin Zarev. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove unused <code>distributable</code> attribute that is defined as
        <code>TransientAttribute</code> of <code>Manager</code> in StoreConfig.
        (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix handling of Cluster Receiver in StoreConfig. The <code>bind</code>
        and <code>host</code> attributes define as
        <code>TransientAttribute</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59261">59261</a>: <code>ServletRequest.getAsyncContext()</code> now
        throws an <code>IllegalStateException</code> as required by the Servlet
        specification if the request is not in asynchronous mode when called.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59269">59269</a>: Correct the implementation of
        <code>PersistentManagerBase</code> so that <code>minIdleSwap</code>
        functions as designed and sessions are swapped out to keep the active
        session count below <code>maxActiveSessions</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add the <code>org.apache.catalina.servlet4preview</code> package that
        can be used to gain early access to Servlet 4.0 features. Note that this
        package will <strong>not</strong> be present in Tomcat 9. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly configure the base path for a resources directory provided by
        an expanded JAR file. Patch provided by hengyunabc. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        When multiple compressed formats are available and the client does not
        express a preference, use the server order to determine the preferred
        format. Based on a patch by gmokki. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59284">59284</a>: Allow the Tomcat provided JASPIC
        <code>SimpleServerAuthConfig</code> to pick up module configuration
        properties from either the property set passed to its constructor or
        from the properties passed in the call to <code>getAuthContext</code>.
        Based on a patch by Thomas Maslen. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59310">59310</a>: Do not add a <code>Content-Length: 0</code> header for
        custom responses to <code>HEAD</code> requests that do not set a
        <code>Content-Length</code> value. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When normalizing paths, improve the handling when paths end with
        <code>/.</code> or <code>/..</code> and ensure that input and output are
        consistent with respect to whether or not they end with <code>/</code>.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59317">59317</a>: Ensure that
        <code>HttpServletRequest.getRequestURI()</code> returns an encoded URI
        rather than a decoded URI after a dispatch. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use the correct URL for the fragment when reporting errors processing
        a <code>web-fragment.xml</code> file from a JAR located in an unpacked
        WAR. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>JarScanner</code> only uses the explicit call-back to
        process <code>WEB-INF/classes</code> and only when configured to treat
        the contents of <code>WEB-INF/classes</code> as a possible exploded JAR.
        (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove the <code>java2DDisposerProtection</code> option from the
        <code>JreMemoryLeakPreventionListener</code>. The leak is fixed in Java
        7 onwards and Tomcat 8 requires Java 7 so the option is unnecessary.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the value for the header <code>X-Frame-Options</code> is
        constructed correctly according to the specification when
        <code>ALLOW-FROM</code> option is used. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix an <code>IllegalArgumentException</code> if the first use of an
        internal <code>Response</code> object requires JASPIC authentication.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Do not trigger unnecessary session ID changes when using JASPIC and the
        user is authenticated using cached credentials. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59437">59437</a>: Ensure that the JASPIC <code>CallbackHandler</code> is
        thread-safe. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59449">59449</a>: In <code>ContainerBase</code>, ensure that the process
        to remove a child container is the reverse of the process to add one.
        Patch provided by Huxing Zhang. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.1_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Align cipher configuration parsing with current OpenSSL master. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Change the default for <code>honorCipherOrder</code> to
        <code>false</code>. With the current default TLS configuration, it is no
        longer necessary for this to be <code>true</code> for a reasonably
        secure configuration. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add a new environment variable <code>JSSE_OPTS</code> that is intended
        to be used to pass JVM wide configuration to the JSSE implementation.
        The default value is <code>-Djdk.tls.ephemeralDHKeySize=2048</code>
        which protects against weak Diffie-Hellman keys. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When running on Java 7, exclude DHE ciphers from the default cipher list
        for JSSE connectors since they use weak 768 bit DH keys and cannot be
        configured to use more secure keys. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58970">58970</a>: Fix a connection counting bug in the NIO connector
        that meant some dropped connections were not removed from the current
        connection count. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59289">59289</a>: Do not recycle upgrade processors in unexpected close
        situations. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59295">59295</a>: Use <code>Locale.toLanguageTag()</code> to construct
        the <code>Content-Language</code> HTTP header to ensure the locale is
        correctly represented. Patch provided by zikfat. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59344">59344</a>: Add support for using pem encoded certificates with
        JSSE SSL. Submitted by Emmanuel Bourg with additional tweaks. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make the TLS certificate chain available to clients when using
        JSSE+OpenSSL with the certificate chain stored in a Java KeyStore.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Work around <a href="https://github.com/openssl/openssl/issues/188">a
        known issue in OpenSSL</a> that does not permit the TLS handshake to be
        failed if the ALPN negotiation fails. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59421">59421</a>: Add direct HTTP/2 connection support. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle a call to <code>AsyncContext.complete()</code> from a
        non-container thread when non-blocking I/O is being used. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59451">59451</a>: Correct Javadoc for <code>MessageBytes</code>. Patch
        provided by Kyohei Nakamura. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59450">59450</a>: Correctly handle the case where the
        <code>LegacyCookieProcessor</code> is configured with
        <code>allowHttpSepsInV0</code> set to <code>false</code> and
        <code>forwardSlashIsSeparator</code> set to <code>true</code>. Patch
        provided by Kyohei Nakamura. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.1_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When scanning JARs for TLDs, correctly handle the (rare) case where a
        JAR has been exploded into <code>WEB-INF/classes</code> and the web
        application is deployed as a packed WAR. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59640">59640</a>: NPEs with not found TLDs. (remm)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.1_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59189">59189</a>: Explicitly release the native memory held by the
        <code>Inflater</code> and <code>Deflater</code> when using
        PerMessageDeflate and the WebSocket session ends. Based on a patch by
        Henrik Olsson. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Return back a container specific extension to the WsServerContainer
        to allow frameworks to more easily dispatch requests to WebSocket
        endpoints. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a regression caused by the connector refactoring and ensure that the
        thread context class loader is set to the web application
        classloader when processing WebSocket messages on the server. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that a client disconnection triggers the error handling for the
        associated WebSocket end point. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make WebSocket client more robust when handling errors during the close
        of a WebSocket session. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.1_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59210">59210</a>: Server push example has to use
        <code>o.a.catalina.connector.RequestFacade</code> when obtaining
        <code>o.a.catalina.core.ApplicationPushBuilder</code>. Patch is
        provided by Huxing Zhang. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59218">59218</a>: Correct the path to <code>jaspic-providers.xml</code>
        in Jaspic How-To. Patch is provided by Tatsuya Bessho. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Remove button that has accidentally been added to the host manager.
        Submitted by Coty Sutherland. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Update in the documentation the link to the maven repository where
        Tomcat snapshot artifacts are deployed. (markt/violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Clarify in the documentation that calls to
        <code>ServletContext.log(String, Throwable)</code> or
        <code>GenericServlet.log(String, Throwable)</code> are logged at the
        SEVERE level. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a typo in SSL/TLS Configuration How-To.
        Issue reported via comments.apache.org. (violetagg)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.1_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Avoid NPE when a proxy node failed to retrieve a backup entry. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add log of when received an unexpected messages. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add the flag indicating that member is a localMember. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix potential NPE that depends on the setting order of attributes of
        static member when using the static cluster. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add get/set method for the channel that is related to
        <code>ChannelInterceptor</code>. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        As with the multicast cluster environment, in the static cluster
        environment, the local member inherits properties from the cluster
        receiver. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add get/set method for the channel that is related to each Channel
        services. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add name to channel in order to identify channels. In tomcat cluster
        environment, it is set the cluster name + "-Channel" as default value.
        (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add the channel name to the thread which is invoked by channel services
        in order to identify the associated channel. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that clear the channel instance from channel services when
        stopping channel. (kfujino)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Implement map state in the replication map. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the ping is not executed during the start/stop of the
        replication map. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        In ping processing in the replication map, send not the
        <code>INIT</code> message but the newly introduced <code>PING</code>
        message. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.1_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59209">59209</a>: Remove <code>honorCipherOrder=false</code> attribute
        from the connector example in server.xml. When the block is uncommented
        the connector will use the default value for this attribute which is
        <code>false</code>. If one needs to enable it, one can add it
        explicitly to the connector definition. Use of this feature requires
        Java 8 or later. Patch is provided by Huxing Zhang. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59211">59211</a>: Add hamcrest to Eclipse classpath. Patch is provided
        by Huxing Zhang. (violetagg)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59280">59280</a>: Update the NSIS Installer used to build the
        Windows Installers to version 2.51. (kkolinko)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.7 to
        pick up the Windows binaries that are based on OpenSSL 1.0.2h and APR
        1.5.2. (markt)
      </li>
    </ul>
  </div></div>
</div><h3 id="Tomcat_8.5.0_(markt)"><span id="Tomcat_8.5.0_(markt)_rtext" style="float: right;">2016-03-24</span> Tomcat 8.5.0 (markt)</h3><div class="text">
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/General">General</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove support for Comet. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Tighten up the default file permissions for the <code>.tar.gz</code>
        distribution so no files or directories are world readable by default.
        Configure Tomcat to run with a default umask of <code>0027</code> which
        may be overridden by setting <code>UMASK</code> in
        <code>setenv.sh</code>. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove native code (Windows Service Wrapper, APR/native connector)
        support for Windows Itanium. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/Catalina">Catalina</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        The default HTTP cookie parser has been changed to
        <code>org.apache.tomcat.util.http.Rfc6265CookieProcessor</code>. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor creation of <code>MapperListener</code> to ensure that the
        <code>Mapper</code> used is the <code>Mapper</code> associated with the
        <code>Service</code> for which the listener was created. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Move the functionality that provides redirects for context roots and
        directories where a trailing <code>/</code> is added from the Mapper to
        the <code>DefaultServlet</code>. This enables such requests to be
        processed by any configured Valves and Filters before the redirect is
        made. This behaviour is configurable via the
        <code>mapperContextRootRedirectEnabled</code> and
        <code>mapperDirectoryRedirectEnabled</code> attributes of the Context
        which may be used to restore the previous behaviour. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor <code>Service.getContainer()</code> to return an
        <code>Engine</code> rather than a <code>Container</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=34319">34319</a>: Only load those keys in
        <code>StoreBase.processExpire</code> from JDBCStore that are old enough
        to be expired. Based on a patch by Tom Anderson. (fschumacher)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58351">58351</a>: Make the server build date and server version number
        accessible via JMX. Patch provided by  Huxing Zhang. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=56917">56917</a>: As per RFC7231 (HTTP/1.1), allow HTTP/1.1 and later
        redirects to use relative URIs. This is controlled by a new attribute
        <code>useRelativeRedirects</code> on the <strong>Context</strong> and
        defaults to <code>true</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58629">58629</a>: Allow an embedded Tomcat instance to start when the
        <code>Service</code> has no <code>Engine</code> configured. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly notify the MapperListener associated with a Service if the
        Engine for that Service is changed. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make a web application's CredentialHandler available through a context
        attribute. This allows a web application to use the same algorithm
        for validating or generating new stored credentials from cleartext
        ones. (schultz)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58635">58635</a>: Enable break points to be set within agent code when
        running Tomcat with a Java agent. Based on a patch by Huxing Zhang.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fixed potential NPE in <code>HostConfig</code> while deploying an
        application. Issue reported by coverity scan. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58655">58655</a>: Fix an <code> IllegalStateException</code> when
        calling <code>HttpServletResponse.sendRedirect()</code> with the
        <code>RemoteIpFilter</code>. This was caused by trying to correctly
        generate the absolute URI for the redirect. With the fix for
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=56917">56917</a>, redirects may now be relative making the
        <code>sendRedirect()</code> implementation for the
        <code>RemoteIpFilter</code> much simpler. This also addresses issues
        where the redirect may not have behaved as expected when redirecting
        from http to https to from https to http. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58657">58657</a>: Exceptions in a Servlet 3.1 <code>ReadListener</code>
        or <code>WriteListener</code> do not need to be immediately fatal to the
        connection. Allow an error response to be written. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct implementation of
        <code>validateClientProvidedNewSessionId</code> so client provided
        session IDs may be rejected if validation is enabled. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58701">58701</a>: Reset the <code>instanceInitialized</code> field in
        <code>StandardWrapper</code> when unloading a Servlet so that a new
        instance may be correctly initialized. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Add a new flag <code>aprPreferred</code> to the Apr listener. if set to
        <code>false</code>, when using the connector defaults, it will use
        NIO + OpenSSL if tomcat-native is available, rather than the APR
        connector. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add path parameter handling to
        <code>HttpServletRequest.getContextPath()</code>. This is a follow-up to
        the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57215">57215</a>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58692">58692</a>: Make <code>StandardJarScanner</code> more robust. Log
        a warning if a class path entry cannot be scanned rather than triggering
        the failure of the web application. Includes a test case written by
         Derek Abdine. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58702">58702</a>: Ensure an access log entry is generated if the client
        aborts the connection. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fixed various issues reported by Findbugs. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58735">58735</a>: Add support for the <code>X-XSS-Protection</code>
        header to the <code>HttpHeaderSecurityFilter</code>. Patch provided by
        Jacopo Cappellato. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add the <code>StatusManagerServlet</code> to the list of Servlets that
        can only be loaded by privileged applications. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Simplify code and fix messages in
        <code>org.apache.catalina.core.DefaultInstanceManager</code> class.
        (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58751">58751</a>: Correctly handle the case where an
        <code>AsyncListener</code> dispatches to a Servlet on an asynchronous
        timeout and the Servlet uses <code>sendError()</code> to trigger an
        error page. Includes a test case based on code provided by Andy
        Wilkinson.(markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the proper file encoding, if specified, will be used when
        a readme file is served by DefaultServlet. (violetagg)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix declaration of <code>localPort</code> attribute of Connector MBean:
        it is read-only. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58766">58766</a>: Make skipping non-class files during annotation
        scanning faster by checking the file name first. Improve debug logging.
        (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58768">58768</a>: Log a warning if a redirect fails because of an
        invalid location. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58827">58827</a>: Remove remains of JSR-77 implementation. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58836">58836</a>: Correctly merge query string parameters when
        processing a forwarded request where the target includes a query string
        that contains a parameter with no value. (markt/kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Make sure that shared Digester is reset in an unlikely error case
        in <code>HostConfig.deployWAR()</code>. (kkolinko)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Extend the feature available in the cluster session manager
        implementations that enables session attribute replication to be
        filtered based on attribute name to all session manager implementations.
        Note that configuration attribute name has changed from
        <code>sessionAttributeFilter</code> to
        <code>sessionAttributeNameFilter</code>. Apply the filter on load as
        well as unload to ensure that configuration changes made while the web
        application is stopped are applied to any persisted data. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Extend the session attribute filtering options to include filtering
        based on the implementation class of the value and optional
        <code>WARN</code> level logging if an attribute is filtered. These
        options are available for all of the Manager implementations that ship
        with Tomcat. When a <code>SecurityManager</code> is used filtering will
        be enabled by default. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Remove <code>distributable</code> and <code>maxInactiveInterval</code>
        from the <code>Manager</code> interface because the attributes are never
        used. The equivalent attributes from the <code>Context</code> always
        take precedence. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58867">58867</a>: Improve checking on Host start for WAR files that have
        been modified while Tomcat has stopped and re-expand them if
        <code>unpackWARs</code> is <code>true</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58900">58900</a>: Correctly undeploy symlinked resources and prevent an
        infinite cycle of deploy / undeploy. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Protect initialization of <code>ResourceLinkFactory</code> when
        running with a SecurityManager. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a thread safety issue in the filtering of session attributes
        based on the implementing class name of the value object. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix class loader decision on the delegation for class loading and
        resource lookup and make it faster too. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58905">58905</a>: Ensure that <code>Tomcat.silence()</code> silences the
        correct logger and respects the current setting. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58946">58946</a>: Ensure that the request parameter map remains
        immutable when processing via a RequestDispatcher. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that <code>/WEB-INF/classes</code> is never processed as a web
        fragment. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Switch default connector when native is installed. Unless configured
        otherwise, the NIO endpoint will be used by default. If SSL is
        configured, OpenSSL will be used rather than JSSE. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58867">58867</a>. When configuring a
        Context to use an external directory for the <code>docBase</code>, and
        that directory happens to be located along side the original WAR, use
        the directory as the <code>docBase</code> rather than expanding the
        WAR into the <code>appBase</code> and using the newly created expanded
        directory as the <code>docBase</code>. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58988">58988</a>: Special characters in the substitutions for the
        RewriteValve can now be quoted with a backslash. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58999">58999</a>: Fix class and resource name filtering in
        WebappClassLoader. It throws a StringIndexOutOfBoundsException if the
        name is exactly "org" or "javax". (rjung)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add JASPIC (JSR-196) support. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Make checking for var and map replacement in RewriteValve a bit stricter
        and correct detection of colon in var replacement. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the web application class loader to reduce the impact of JAR
        scanning on the memory footprint of the web application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix some resource leaks in the error handling for accessing files from
        JARs and WARs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the JAR and JAR-in-WAR resource handling to reduce the memory
        footprint of the web application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor the web.xml parsing so a new parser is created every time the
        web application starts rather than creating and caching the parser when
        the Context is created. This enables the parser to take account of
        modified Context configuration parameters and reduces (slightly) the
        memory footprint of a running Tomcat instance. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Switch the web application class loader to the
        <code>ParallelWebappClassLoader</code> by default. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57809">57809</a>: Remove the custom context attribute that held the
        effective web.xml. Components needing access to configuration
        information may access it via the Servlet API. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Refactor JAR scanning to reduce memory footprint. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59001">59001</a>: Correctly handle the case when Tomcat is installed on
        a path where one of the segments ends in an exclamation mark. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Expand the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59001">59001</a> to cover the special sequences used
        in Tomcat's custom jar:war: URLs. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59043">59043</a>: Avoid warning while expiring sessions associated with
        a single sign on if <code>HttpServletRequest.logout()</code> is used.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59054">59054</a>: Ensure that using the
        <code>CrawlerSessionManagerValve</code> in a distributed environment
        does not trigger an error when the Valve registers itself in the
        session. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add socket properties support to storeconfig. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix incorrect parsing of the NE and NC flags in rewrite rules. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59065">59065</a>: Correct the timing of the check for colons in paths
        on non-Windows systems implemented in <code>catalina.sh</code> so it
        works correctly with Cygwin. Patch provided by Ed Randall. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When a Host is configured with an appBase that does not exist, create
        the appBase before trying to expand an external WAR file into it.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
       <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59115">59115</a>: When using the Servlet 3.0 file upload, the submitted
       file name may be provided as a token or a quoted-string. If a
       quoted-string, unquote the string before returning it to the user.
       (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59123">59123</a>: Close <code>NamingEnumeration</code> objects used by
        the <code>JNDIRealm</code> once they are no longer required.
        (fschumacher/markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Implement the proposed Servlet 4.0 API to provide mapping type
        information for the current request. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59138">59138</a>: Correct a false positive warning for ThreadLocal
        related memory leaks when the key class but not the value class has been
        loaded by the web application class loader. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59017">59017</a>: Make the pre-compressed file support in the Default
        Servlet generic so any compression may be used rather than just gzip.
        Patch provided by Mikko Tiihonen. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59145">59145</a>: Don't log an invalid warning when a user logs out of
        a session associated with SSO. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59150">59150</a>: Add an additional flag on APR listener to allow
        disabling automatic use of OpenSSL. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59151">59151</a>: Fix a regression in the fix for <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=56917">56917</a> that
        added additional (and arguably unnecessary) validation to the provided
        redirect location. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59154">59154</a>: Fix a <code>NullPointerException</code> in the
        <code>JAASMemoryLoginModule</code> resulting from the introduction of
        the <code>CredentialHandler</code> to <code>Realm</code>s.
        (schultz/markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/Coyote">Coyote</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Remove support for the HTTP BIO and AJP BIO connectors. (markt)
      </li>
      <li><img alt="Code: " class="icon" src="./images/code.gif">
        Refactor HTTP upgrade and AJP implementations to reduce duplication.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for HPACK header encoding and decoding, contributed
        by Stuart Douglas. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57108">57108</a>: Add support for Server Name Indication (SNI). There
        has been significant changes to the SSL configuration in server.xml to
        support this. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add SSL engine for JSSE backed by OpenSSL. Includes ALPN support.
        Based on code contributed by Numa de Montmollin and derived from code
        developed by Twitter and Netty. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        RFC 7230 states that clients should ignore reason phrases in HTTP/1.1
        response messages. Since the reason phrase is optional, Tomcat no longer
        sends it. As a result the system property
        <code>org.apache.coyote.USE_CUSTOM_STATUS_MSG_IN_HEADER</code> is no
        longer used and has been removed. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        The minimum required Tomcat Native version has been increased to 1.2.2.
        The 1.2.x branch includes ALPN and SNI support which are required for
        HTTP/2. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Add support for HTTP/2 including server push. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58621">58621</a>: The certificate chain cannot be set using the main
        certificate attribute, so restore the certificate chain property. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Allow a new SSL config type where a connector can use either JSSE or
        OpenSSL. Both could be allowed, but it would likely create support
        issues. This type is used by the OpenSSL implementation for NIOx. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Improve upgrade context classloader handling by using Context.bind and
        unbind. (remm)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Improve OpenSSL keystore/truststore configuration by using the code
        from the JSSE implementation. (remm, jfclere)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a potential loop when a client drops the connection unexpectedly.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        OpenSSL renegotiation support for client certificate authentication.
        (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix NIO connector renegotiation. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58659">58659</a>: Fix a potential deadlock during HTTP/2 processing when
        the connection window size is limited. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct an NPE when listing the enabled ciphers (e.g. via the Manager
        web application) for a TLS enabled APR/native connector. (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        New configuration option <code>ajpFlush</code> for the AJP connectors
        to disable the sending of AJP flush packets. (rjung)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Handle the case in the NIO connector where the required TLS buffer sizes
        increase after the connection has been initiated. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Handle the case in the NIO2 connector where the required TLS buffer
        sizes increase after the connection has been initiated. (markt/remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Bad processing of handshake errors in NIO2. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Use JSSE session configuration options with OpenSSL. (remm)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59015">59015</a>: Fix potential cause of endless APR Poller loop during
        shutdown if the Poller experiences an error during the shutdown process.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Align cipher aliases for <code>kECDHE</code> and <code>ECDHE</code> with
        the current OpenSSL implementation. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59081">59081</a>: Retain the user defined cipher order when defining
        ciphers. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59089">59089</a>: Correctly ignore HTTP headers that include non-token
        characters in the header name. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/Jasper">Jasper</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57136#c25">57136#c25</a>: Change default value of
        <code>quoteAttributeEL</code> setting in Jasper to be <code>true</code>
        for better compatibility with other implementations and older versions
        of Tomcat. Add command line option <code>-no-quoteAttributeEL</code> in
        JspC. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix handling of missing messages in
        <code>org.apache.el.util.MessageFactory</code>. (violetagg)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update to the Eclipse JDT Compiler 4.5.1. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57583">57583</a>: Improve the performance of
        <code>javax.servlet.jsp.el.ScopedAttributeELResolver</code> when
        resolving attributes that do not exist. This improvement only works when
        Jasper is used with Tomcat's EL implementation. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/Cluster">Cluster</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Enable an explicit configuration of local member in the static cluster
        membership. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix potential integer overflow in <code>DeltaSession</code>.
        Reported by coverity scan. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        In order to avoid that the heartbeat thread and the background thread to
        run <code>Channel.heartbeat</code> simultaneously, if
        <code>heartbeatBackgroundEnabled</code> of <code>SimpleTcpCluster</code>
        set to <code>true</code>, ensure that the heartbeat thread does not
        start. (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/WebSocket">WebSocket</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=55006">55006</a>: The WebSocket client now honors the
        <code>java.net.java.net.ProxySelector</code> configuration (using the
        HTTP type) when establishing WebSocket connections to servers. Based on
        a patch by Niki Dokovski. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=57489">57489</a>: Ensure <code>onClose()</code> is called when a
        WebSocket connection is closed even if the sending of the close message
        fails. Includes test cases by Barry Coughlan. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58624">58624</a>: Correct a potential deadlock if the WebSocket
        connection is closed when a message write is in progress. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix a timing issue on session close that could result in an exception
        being thrown for an incomplete message even through the message was
        completed. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correctly handle compression of partial messages when the final message
        fragment has a zero length payload. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59119">59119</a>: Correct read logic for WebSocket client when using
        secure connections. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59134">59134</a>: Correct client connect logic for secure connections
        made through a proxy. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/Web_applications">Web applications</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=48674">48674</a>: Implement an option within the Host Manager web
        application to persist the current configuration. Based on a patch by
        Coty Sutherland. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58631">58631</a>: Correct the continuation character use in the Windows
        Service How-To page of the documentation web application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the SSL documentation for deprecated attributes to point to the
        correct, new location for attributes related to individual certificates.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct some typos in the JNDI resources How-To. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Don't create session unnecessarily in the Manager application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Don't create session unnecessarily in the Host Manager application.
        (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58723">58723</a>: Clarify documentation and error messages for the text
        interface of the manager to make clear that version must be used with
        path when referencing contexts deployed using parallel deployment.
        (markt)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Document <code>test.threads</code> option in BUILDING.txt. (kkolinko)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct an error in the documentation of the expected behaviour for
        automatic deployment. If a WAR is updated and an expanded directory is
        present, the directory will always be deleted and recreated by expanding
        the WAR if <code>unpackWARs</code> is <code>true</code>. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58935">58935</a>: Remove incorrect references in the documentation to
        using <code>jar:file:</code> URLs with the Manager application. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct the description of the
        <code>ServletRequest.getServerPort()</code> in Proxy How-To.
        Issue reported via comments.apache.org. (violetagg)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        The Manager and Host Manager applications are now only accessible via
        <code>localhost</code> by default. (markt)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/Tribes">Tribes</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Clarify the handling of Copy message and Copy nodes. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ensure that the static member is registered to the add suspect list even
        if the static member that is registered to the remove suspect list has
        disappeared. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        When using a static cluster, add the members that have been cached in
        the membership service to the map members list in order to ensure that
        the map member is a static member. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add support for the startup notification of local members in the static
        cluster. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Ignore the unnecessary member remove operation from different domain.
        (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Add support for the shutdown notification of local members in the static
        cluster. (kfujino)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        If promoting a proxy node to a primary node when getting a session,
        notify the change of the new primary node to the original backup node.
        (kfujino)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/jdbc-pool">jdbc-pool</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Correct evaluation of system property
        <code>org.apache.tomcat.jdbc.pool.onlyAttemptCurrentClassLoader</code>.
        It was basically ignored before. Reported by coverity scan. (fschumacher)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        Fix potential integer overflow in <code>ConnectionPool</code> and
        <code>PooledConnection</code>. Reported by coverity scan. (fschumacher)
      </li>
    </ul>
  </div></div>
  <div class="subsection"><h4 id="Tomcat_8.5.0_(markt)/Other">Other</h4><div class="text">
    <ul class="changelog">
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Allow to configure multiple JUnit test class patterns with the build
        property <code>test.name</code> and document the property in
        BUILDING.txt. (rjung)
      </li>
      <li><img alt="Add: " class="icon" src="./images/add.gif">
        Support the use of the <code>threads</code> attribute on Ant's
        junit task. Note that using this with a value of greater than one will
        disable Cobertura code coverage. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update optional Checkstyle library to 6.14.1. (kkolinko)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.4 to
        pick up the Windows binaries that are based on OpenSSL 1.0.2e and APR
        1.5.1. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the NSIS Installer used to build the Windows Installers to
        version 2.50. (markt/kkolinko)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons BCEL to r1725718 to align with the
        refactoring for BCEL 6, the next major BCEL release. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons DBCP 2 to r1725730 (2.1.1 plus
        additional fixes). (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Pool 2 to r1725738 (2.4.2 plus
        additional fixes). (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the internal fork of Commons Codec to r1725746 (1.9 plus
        additional fixes). (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=58283">58283</a>: Change the default download location for libraries
        during the build process from <code>/usr/share/java</code> to
        <code>${user.home}/temp</code>. Patch provided by Ahmed Hosni. (markt)
      </li>
      <li><img alt="Fix: " class="icon" src="./images/fix.gif">
        <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=59031">59031</a>: When using the Windows uninstaller, do not remove the
        contents of any directories that have been symlinked into the Tomcat
        directory structure. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Update the packaged version of the Tomcat Native Library to 1.2.5 to
        pick up the Windows binaries that are based on OpenSSL 1.0.2g and APR
        1.5.1. (markt)
      </li>
      <li><img alt="Update: " class="icon" src="./images/update.gif">
        Modify the default <code>tomcat-users.xml</code> file to make it harder
        for users to configure the entries intended for use with the examples
        web application for the Manager application. (markt)
      </li>
    </ul>
  </div></div>
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