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Posted to dev@tomcat.apache.org by kk...@apache.org on 2020/02/13 15:24:18 UTC
svn commit: r1873980 [12/34] - /tomcat/site/trunk/docs/
Modified: tomcat/site/trunk/docs/migration-85.html
URL: http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-85.html?rev=1873980&r1=1873979&r2=1873980&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-85.html (original)
+++ tomcat/site/trunk/docs/migration-85.html Thu Feb 13 15:24:17 2020
@@ -1,389 +1,70 @@
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-<h3 id="Table_of_Contents">Table of Contents</h3>
-<div class="text">
-
-<ul>
-<li>
-<a href="#General">General</a>
-</li>
-<li>
-<a href="#Migrating_from_8.0.x_to_8.5.x">Migrating from 8.0.x to 8.5.x</a>
-<ol>
-<li>
-<a href="#BIO_connector_removed">BIO connector removed</a>
-</li>
-<li>
-<a href="#HTTP_connector_changes">HTTP connector changes</a>
-</li>
-<li>
-<a href="#Comet_support_removed">Comet support removed</a>
-</li>
-<li>
-<a href="#HTTP/2_support_added">HTTP/2 support added</a>
-</li>
-<li>
-<a href="#TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</a>
-</li>
-<li>
-<a href="#Internal_APIs">Internal APIs</a>
-</li>
-<li>
-<a href="#JSR-77_implementation_removed">JSR-77 implementation removed</a>
-</li>
-<li>
-<a href="#Clustering">Clustering</a>
-</li>
-<li>
-<a href="#InstanceListener_removed">InstanceListener removed</a>
-</li>
-<li>
-<a href="#SessionManager">SessionManager</a>
-</li>
-<li>
-<a href="#Cookies">Cookies</a>
-</li>
-<li>
-<a href="#Web_applications">Web applications</a>
-</li>
-<li>
-<a href="#Context_configurations">Context configurations</a>
-</li>
-</ol>
-</li>
-<li>
-<a href="#Upgrading_8.5.x">Upgrading 8.5.x</a>
-<ol>
-<li>
-<a href="#Tomcat_8.5.x_noteable_changes">Tomcat 8.5.x noteable changes</a>
-</li>
-<li>
-<a href="#Tomcat_8.5.x_configuration_file_differences">Tomcat 8.5.x configuration file differences</a>
-</li>
-</ol>
-</li>
-</ul>
-
-</div>
-<h3 id="General">General</h3>
-<div class="text">
-
+ </a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a href="./index.html">Home</a></li><li><a href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a href="./whichversion.html">Which version?</a></li><li><a href="https://tomcat.apache.org/download-90.cgi">Tomcat 9</a></li><li><a href="https://tomcat.apache.org/download-80.cgi">Tomcat 8</a></li><li><a href="https://tomcat.apache.org/download-70.cgi">Tomcat 7</a></li><li><a href="https://tomcat.apache.org/download-connectors.cgi">Tomcat Connectors</a></li><li><a href="https://tomcat.apache.org/download-native.cgi">Tomcat Native</a></li><li><a href="https://tomcat.apache.org/download-taglibs.cgi">Taglibs</a></li><li><a href="https://archive.apache.org/dist/tomcat/">Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li><l
i><a href="./tomcat-7.0-doc/index.html">Tomcat 7.0</a></li><li><a href="./connectors-doc/">Tomcat Connectors</a></li><li><a href="./native-doc/">Tomcat Native</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT">Wiki</a></li><li><a href="./migration.html">Migration Guide</a></li><li><a href="./presentations.html">Presentations</a></li></ul></div><div><h2>Problems?</h2><ul><li><a href="./security.html">Security Reports</a></li><li><a href="./findhelp.html">Find help</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ">FAQ</a></li><li><a href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get Involved</h2><ul><li><a href="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a href="https://cwiki.apache.org/confluence/x/vIPzBQ">Translations</a></li><li><a href="./tools
.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a href="https://twitter.com/theapachetomcat">Twitter</a></li><li><a href="https://www.youtube.com/c/ApacheTomcatOfficial">YouTube</a></li><li><a href="https://blogs.apache.org/tomcat/">Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a href="./whoweare.html">Who We Are</a></li><li><a href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat">Swag</a></li><li><a href="./heritage.html">Heritage</a></li><li><a href="http://www.apache.org">Apache Home</a></li><li><a href="./resources.html">Resources</a></li><li><a href="./contact.html">Contact</a></li><li><a href="./legal.html">Legal</a></li><li><a href="https://www.apache.org/foundation/contributing.html">Support Apache</a></li><li><a href="https://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li><li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li><li><a href="http://www.apache.org/licenses/">License</a></li></ul></div></
nav></div></div><div id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 id="Table_of_Contents">Table of Contents</h3><div class="text">
+<ul><li><a href="#General">General</a></li><li><a href="#Migrating_from_8.0.x_to_8.5.x">Migrating from 8.0.x to 8.5.x</a><ol><li><a href="#BIO_connector_removed">BIO connector removed</a></li><li><a href="#HTTP_connector_changes">HTTP connector changes</a></li><li><a href="#Comet_support_removed">Comet support removed</a></li><li><a href="#HTTP/2_support_added">HTTP/2 support added</a></li><li><a href="#TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</a></li><li><a href="#Internal_APIs">Internal APIs</a></li><li><a href="#JSR-77_implementation_removed">JSR-77 implementation removed</a></li><li><a href="#Clustering">Clustering</a></li><li><a href="#InstanceListener_removed">InstanceListener removed</a></li><li><a href="#SessionManager">SessionManager</a></li><li><a href="#Cookies">Cookies</a></li><li><a href="#Web_applications">Web applications</a></li><li><a href="#Context_configurations">Context configurations</
a></li></ol></li><li><a href="#Upgrading_8.5.x">Upgrading 8.5.x</a><ol><li><a href="#Tomcat_8.5.x_noteable_changes">Tomcat 8.5.x noteable changes</a></li><li><a href="#Tomcat_8.5.x_configuration_file_differences">Tomcat 8.5.x configuration file differences</a></li></ol></li></ul>
+</div><h3 id="General">General</h3><div class="text">
<p>Please read general <a href="migration.html">Migration Guide page</a> first,
for common considerations that apply to migration or upgrade between versions
of Apache Tomcat.</p>
+</div><h3 id="Migrating_from_8.0.x_to_8.5.x">Migrating from 8.0.x to 8.5.x</h3><div class="text">
-</div>
-<h3 id="Migrating_from_8.0.x_to_8.5.x">Migrating from 8.0.x to 8.5.x</h3>
-<div class="text">
-
-
-<p> This section lists all the known changes between 8.0.x and 8.5.x which may
+ <p> This section lists all the known changes between 8.0.x and 8.5.x which may
cause backwards compatibility problems when upgrading.</p>
-
-<div class="subsection">
-<h4 id="BIO_connector_removed">BIO connector removed</h4>
-<div class="text">
+ <div class="subsection"><h4 id="BIO_connector_removed">BIO connector removed</h4><div class="text">
-
-<p>The Java blocking IO implementation (BIO) for both HTTP and AJP has been
+ <p>The Java blocking IO implementation (BIO) for both HTTP and AJP has been
removed. Users are recommended to switch to the Java non-blocking IO
implementation (NIO). As of Tomcat 8.5.17, if a BIO Connector is explicitly
configured, rather than failing to start the Connector, Tomcat will
automatically switch the Connector to use the NIO implementation and log a
warning.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="HTTP_connector_changes">HTTP connector changes</h4>
-<div class="text">
-
-<p>
+ <div class="subsection"><h4 id="HTTP_connector_changes">HTTP connector changes</h4><div class="text">
+ <p>
HTTP reason phrases have been <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60362">removed by default</a>,
- but can be re-enabled using the <div class="codeBox">
-<pre>
-<code>sendReasonPhrase</code>
-</pre>
-</div>
-
-<a href="https://tomcat.apache.org/tomcat-8.5-doc/config/http.html#Common_Attributes">configuration attribute</a>.
+ but can be re-enabled using the <div class="codeBox"><pre><code>sendReasonPhrase</code></pre></div>
+ <a href="https://tomcat.apache.org/tomcat-8.5-doc/config/http.html#Common_Attributes">configuration attribute</a>.
</p>
-
-</div>
-</div>
-
-<div class="subsection">
-<h4 id="Comet_support_removed">Comet support removed</h4>
-<div class="text">
+ </div></div>
+ <div class="subsection"><h4 id="Comet_support_removed">Comet support removed</h4><div class="text">
-
-<p>Comet support has been removed without a direct replacement. Applications
+ <p>Comet support has been removed without a direct replacement. Applications
using Comet are recommended to migrate to WebSockets.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="HTTP/2_support_added">HTTP/2 support added</h4>
-<div class="text">
+ <div class="subsection"><h4 id="HTTP/2_support_added">HTTP/2 support added</h4><div class="text">
-
-<p>HTTP/2 is supported for h2 (over TLS, negotiated via ALPN) and h2c (clear
+ <p>HTTP/2 is supported for h2 (over TLS, negotiated via ALPN) and h2c (clear
text, negotiated via HTTP/1.1 upgrade). HTTP/2 needs to be explicitly
enabled for a connector. To enable it, insert
- <div class="codeBox">
-<pre>
-<code><UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" /></code>
-</pre>
-</div>
+ <div class="codeBox"><pre><code><UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" /></code></pre></div>
inside the connector for which you wish to enable HTTP/2. Note that to
enable HTTP/2 for a secure NIO or NIO2 connector, those connectors must be
using the OpenSSL engine for TLS.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</h4>
-<div class="text">
+ <div class="subsection"><h4 id="TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</h4><div class="text">
-
-<p>Tomcat 8.5 supports multiple TLS virtual hosts for a single connector with
+ <p>Tomcat 8.5 supports multiple TLS virtual hosts for a single connector with
each virtual host able to support multiple certificates. Virtual host
definitions are nested inside the Connector element with the default
specified using the <strong>defaultSSLHostConfigName</strong> attribute on the
Connector if more than one virtual host is specified. Certificate
definitions are nested inside the virtual host.</p>
-
-<p>The following example shows how to use this to configure a single
+ <p>The following example shows how to use this to configure a single
APR/native connector for multiple TLS virtual hosts with each host having
both an RSA and EC certificate.
-<div class="codeBox">
-<pre>
-<code>
+<div class="codeBox"><pre><code>
<Connector port="8443"
protocol="org.apache.coyote.http11.Http11AprProtocol"
maxThreads="150"
@@ -406,232 +87,125 @@ of Apache Tomcat.</p>
type="EC" />
</SSLHostConfig>
</Connector>
-</code>
-</pre>
-</div>
-</p>
+</code></pre></div></p>
-
-</div>
-</div>
+ </div></div>
+ <div class="subsection"><h4 id="Internal_APIs">Internal APIs</h4><div class="text">
-<div class="subsection">
-<h4 id="Internal_APIs">Internal APIs</h4>
-<div class="text">
-
-
-<p>Whilst the Tomcat 8.5 internal API is broadly compatible with Tomcat 8.0
+ <p>Whilst the Tomcat 8.5 internal API is broadly compatible with Tomcat 8.0
there have been many changes at the detail level and they are not binary
compatible. Developers of custom components that interact with Tomcat's
internals should review the JavaDoc for the relevant API.</p>
-
-<p>Of particular note are:</p>
-
-<ul>
-
-<li>Significant refactoring has taken place throughout the connectors to
+ <p>Of particular note are:</p>
+ <ul>
+ <li>Significant refactoring has taken place throughout the connectors to
reduce duplicate code and to align behaviour across
implementations.</li>
-
-<li>The deprecated <code>digest</code> attribute has been removed from the
+ <li>The deprecated <code>digest</code> attribute has been removed from the
<code>Realm</code>. This must now be configured via a
<code>CredentialHandler</code>.</li>
-
-<li>The <code>AuthenticatorBase</code> implementation has been changed to
+ <li>The <code>AuthenticatorBase</code> implementation has been changed to
call <code>doAuthenticate()</code> rather than
<code>authenticate()</code> on sub-classes.</li>
-
-</ul>
+ </ul>
+ </div></div>
-</div>
-</div>
-
-
-<div class="subsection">
-<h4 id="JSR-77_implementation_removed">JSR-77 implementation removed</h4>
-<div class="text">
+ <div class="subsection"><h4 id="JSR-77_implementation_removed">JSR-77 implementation removed</h4><div class="text">
-
-<p>The JSR-77 implementation is incomplete and has been removed in 8.5.x.
+ <p>The JSR-77 implementation is incomplete and has been removed in 8.5.x.
Specifically, the following methods that exposed to JMX have been removed.
</p>
-
-<ul>
-
-<li>
-<code>StandardContext.getServlets()</code>
-</li>
-
-<li>
-<code>StandardContext.isStateManageable()</code>
-</li>
-
-<li>
-<code>StandardContext.getDeploymentDescriptor()</code>
-</li>
-
-<li>
-<code>StandardWrapper.isStateManageable()</code>
-</li>
-
-</ul>
-
-</div>
-</div>
+ <ul>
+ <li><code>StandardContext.getServlets()</code></li>
+ <li><code>StandardContext.isStateManageable()</code></li>
+ <li><code>StandardContext.getDeploymentDescriptor()</code></li>
+ <li><code>StandardWrapper.isStateManageable()</code></li>
+ </ul>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Clustering">Clustering</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Clustering">Clustering</h4><div class="text">
-
-<p>
-<code>MessageDispatch15Interceptor</code> had been used to add the Java 5
+ <p><code>MessageDispatch15Interceptor</code> had been used to add the Java 5
features to MessageDispatchInterceptor.
<code>MessageDispatch15Interceptor</code> has been removed in Tomcat 8.5.x
by merging the Java 5 features to <code>MessageDispatchInterceptor</code>.
</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="InstanceListener_removed">InstanceListener removed</h4>
-<div class="text">
+ <div class="subsection"><h4 id="InstanceListener_removed">InstanceListener removed</h4><div class="text">
-
-<p>The support of InstanceListener has been removed in 8.5.x.
+ <p>The support of InstanceListener has been removed in 8.5.x.
Specifically, the following classes have been removed.
</p>
-
-<ul>
-
-<li>
-<code>org.apache.catalina.InstanceListener</code>
-</li>
-
-<li>
-<code>org.apache.catalina.InstanceEvent</code>
-</li>
-
-<li>
-<code>org.apache.catalina.util.InstanceSupport</code>
-</li>
-
-</ul>
-
-</div>
-</div>
+ <ul>
+ <li><code>org.apache.catalina.InstanceListener</code></li>
+ <li><code>org.apache.catalina.InstanceEvent</code></li>
+ <li><code>org.apache.catalina.util.InstanceSupport</code></li>
+ </ul>
+ </div></div>
-
-<div class="subsection">
-<h4 id="SessionManager">SessionManager</h4>
-<div class="text">
+ <div class="subsection"><h4 id="SessionManager">SessionManager</h4><div class="text">
-
-<p>The following session manager attributes have been completely removed in
+ <p>The following session manager attributes have been completely removed in
8.5.</p>
-
-<ul>
-
-<li>
-<code>distributable</code>
-</li>
-
-<li>
-<code>maxInactiveInterval</code>
-</li>
-
-<li>
-<code>sessionIdLength</code>
-</li>
-
-</ul>
-
-
-<p>The replacements are as follows:</p>
-
-<ul>
-
-<li>The <code>distributable</code> attribute has been deprecated in 8.0
+ <ul>
+ <li><code>distributable</code></li>
+ <li><code>maxInactiveInterval</code></li>
+ <li><code>sessionIdLength</code></li>
+ </ul>
+
+ <p>The replacements are as follows:</p>
+ <ul>
+ <li>The <code>distributable</code> attribute has been deprecated in 8.0
and specified value is ignored. This should be configured via the
Context. The value is inherited based on the presence or absence of
the <code><distributable /></code> element in
- <code>/WEB-INF/web.xml.</code>
-</li>
-
-<li>The <code>maxInactiveInterval</code> attribute has been deprecated in
+ <code>/WEB-INF/web.xml.</code></li>
+ <li>The <code>maxInactiveInterval</code> attribute has been deprecated in
8.0. If the value is specified, a warning log is issued. This should
be configured via the Context. The value is inherited based on the
value of the <code><session-timeout></code> element in
<code>/WEB-INF/web.xml</code>.</li>
-
-<li>The <code>sessionIdLength</code> attribute of <code>Manager</code> has
+ <li>The <code>sessionIdLength</code> attribute of <code>Manager</code> has
been replaced by <code>sessionIdLength</code> attribute of
<code>SessionIdGenerator</code>.</li>
-
-</ul>
-
-</div>
-</div>
+ </ul>
+ </div></div>
+ <div class="subsection"><h4 id="Cookies">Cookies</h4><div class="text">
-<div class="subsection">
-<h4 id="Cookies">Cookies</h4>
-<div class="text">
-
-
-<p>The default <code>CookieProcessor</code> is now the
+ <p>The default <code>CookieProcessor</code> is now the
<code>Rfc6265CookieProcessor</code>. The <code>CookieProcessor</code> is
configurable per <code>Context</code> and the
<code>LegacyCookieProcessor</code> may be used to obtain the 8.0.x
behaviour.</p>
-
-</div>
-</div>
+ </div></div>
+ <div class="subsection"><h4 id="Web_applications">Web applications</h4><div class="text">
-<div class="subsection">
-<h4 id="Web_applications">Web applications</h4>
-<div class="text">
-
-
-<p>The Manager and HostManager web applications are configured by default
+ <p>The Manager and HostManager web applications are configured by default
with a <code>RemoteAddrValve</code> that limits access to those
applications to connections from localhost.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Context_configurations">Context configurations</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Context_configurations">Context configurations</h4><div class="text">
-
-<p>The <code>clearReferencesStatic</code> attribute has been removed in
+ <p>The <code>clearReferencesStatic</code> attribute has been removed in
8.5.x.</p>
-
-</div>
-</div>
+ </div></div>
-
-</div>
-<h3 id="Upgrading_8.5.x">Upgrading 8.5.x</h3>
-<div class="text">
-
-<p>When upgrading instances of Apache Tomcat from one version of Tomcat 8 to
+</div><h3 id="Upgrading_8.5.x">Upgrading 8.5.x</h3><div class="text">
+ <p>When upgrading instances of Apache Tomcat from one version of Tomcat 8 to
another, particularly when using separate locations for $CATALINA_HOME and
$CATALINA_BASE, it is necessary to ensure that any changes in the
configuration files such as new attributes and changes to defaults are applied
@@ -639,90 +213,56 @@ of Apache Tomcat.</p>
the form below may be used to view the differences between the configuration
files in different versions of Tomcat 8.</p>
-
-<div class="subsection">
-<h4 id="Tomcat_8.5.x_noteable_changes">Tomcat 8.5.x noteable changes</h4>
-<div class="text">
-
-<p>The Tomcat developers aim for each patch release to be fully backwards
+ <div class="subsection"><h4 id="Tomcat_8.5.x_noteable_changes">Tomcat 8.5.x noteable changes</h4><div class="text">
+ <p>The Tomcat developers aim for each patch release to be fully backwards
compatible with the previous release. Occasionally, it is necessary to
break backwards compatibility in order to fix a bug. In most cases, these
changes will go unnoticed. This section lists changes that are not fully
backwards compatible and might cause breakage when upgrading.</p>
-
-<ul>
-
-<li>
-<p>In 8.5.51 onwards, the default listen <strong>address</strong> of
+ <ul>
+ <li><p>In 8.5.51 onwards, the default listen <strong>address</strong> of
the AJP Connector was changed to the loopback address rather than all
addresses.</p>
-
-<p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-<li>
-<p>In 8.5.51 onwards, the <strong>requiredSecret</strong> attribute
+ </li>
+ <li><p>In 8.5.51 onwards, the <strong>requiredSecret</strong> attribute
of the AJP Connector was deprecated and replaced by the
<strong>secret</strong> attribute.</p>
-
-<p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-<li>
-<p>In 8.5.51 onwards, the <strong>secretRequired</strong> attribute
+ </li>
+ <li><p>In 8.5.51 onwards, the <strong>secretRequired</strong> attribute
was added to the AJP Connector. If set to <code>true</code>, the
default, the AJP Connector will not start unless a
<strong>secret</strong> has been specified.</p>
-
-<p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-<li>
-<p>In 8.5.51 onwards, the
+ </li>
+ <li><p>In 8.5.51 onwards, the
<strong>allowedRequestAttributesPattern</strong> attribute was added to
the AJP Connector. Requests with unrecognised attributes will now be
blocked with a 403.</p>
-
-<p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-8.5-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-</ul>
-
-</div>
-</div>
+ </li>
+ </ul>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Tomcat_8.5.x_configuration_file_differences">Tomcat 8.5.x configuration file differences</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Tomcat_8.5.x_configuration_file_differences">Tomcat 8.5.x configuration file differences</h4><div class="text">
-
-<p>Select a configuration file, old version and new version from the boxes
+ <p>Select a configuration file, old version and new version from the boxes
below and then click "View differences" to see the differences.
The differences will be shown in a new tab/window.</p>
-
-<p>
-<b>Note:</b> If there are no differences you will see an error page.</p>
+ <p><b>Note:</b> If there are no differences you will see an error page.</p>
-
-<form action="https://gitbox.apache.org/repos/asf" method="get" target="_blank">
+ <form action="https://gitbox.apache.org/repos/asf" method="get" target="_blank">
-
-<input type="hidden" name="p" value="tomcat.git">
+ <input type="hidden" name="p" value="tomcat.git">
<input type="hidden" name="a" value="blobdiff">
-
-<p>
-<label>Configuration file:
+ <p><label>Configuration file:
<select name="f">
<option value="conf/catalina.policy">catalina.policy</option>
<option value="conf/catalina.properties">catalina.properties</option>
@@ -732,11 +272,8 @@ of Apache Tomcat.</p>
<option value="conf/tomcat-users.xml">tomcat-users.xml</option>
<option value="conf/web.xml">web.xml</option>
</select></label>
-
-</p>
-
-<p>
-<label>Old version:
+ </p>
+ <p><label>Old version:
<select name="hpb">
<option value="8.5.0">8.5.0</option>
<option value="8.5.2">8.5.2</option>
@@ -822,44 +359,21 @@ of Apache Tomcat.</p>
<option value="8.5.51" selected>8.5.51</option>
<option value="HEAD">trunk (unreleased)</option>
</select></label>
-
-</p>
+ </p>
-
-<p>
-
-<button>View Differences</button>
-
-</p>
-
-</form>
-
-<p>You can also use a Git command similar to the following from within a
+ <p>
+ <button>View Differences</button>
+ </p>
+ </form>
+ <p>You can also use a Git command similar to the following from within a
working copy:</p>
-
-<div class="codeBox">
-<pre>
-<code>git diff 8.5.0 8.5.20 -- conf/</code>
-</pre>
-</div>
+ <div class="codeBox"><pre><code>git diff 8.5.0 8.5.20 -- conf/</code></pre></div>
+ </div></div>
-</div>
-</div>
-
-
-</div>
-</div>
-</div>
-</div>
-</main>
-<footer id="footer">
+</div></div></div></div></main><footer id="footer">
Copyright © 1999-2020, The Apache Software Foundation
<br>
Apache Tomcat, Tomcat, Apache, the Apache feather, and the Apache Tomcat
project logo are either registered trademarks or trademarks of the Apache
Software Foundation.
- </footer>
-</div>
-<script src="res/js/tomcat.js"></script>
-</body>
-</html>
+ </footer></div><script src="res/js/tomcat.js"></script></body></html>
\ No newline at end of file
Modified: tomcat/site/trunk/docs/migration-9.html
URL: http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-9.html?rev=1873980&r1=1873979&r2=1873980&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-9.html (original)
+++ tomcat/site/trunk/docs/migration-9.html Thu Feb 13 15:24:17 2020
@@ -1,512 +1,129 @@
<!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en">
-<head>
-<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<link href="res/css/tomcat.css" rel="stylesheet" type="text/css">
-<link href="res/css/fonts/fonts.css" rel="stylesheet" type="text/css">
-<title>Apache Tomcat® - Migration Guide - Tomcat 9.0.x</title>
-<meta name="author" content="Apache Tomcat Project">
-</head>
-<body>
-<div id="wrapper">
-<header id="header">
-<div class="clearfix">
-<div class="menu-toggler pull-left" tabindex="1">
-<div class="hamburger"></div>
-</div>
-<a href="http://tomcat.apache.org/"><img class="tomcat-logo pull-left noPrint" alt="Tomcat Home" src="res/images/tomcat.png"></a>
-<h1 class="pull-left">Apache Tomcat<sup>®</sup>
-</h1>
-<div class="asf-logos pull-right">
-<a href="https://www.apache.org/foundation/contributing.html" target="_blank" class="pull-left"><img src="https://www.apache.org/images/SupportApache-small.png" class="support-asf" alt="Support Apache"></a><a href="http://www.apache.org/" target="_blank" class="pull-left"><img src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software Foundation"></a>
-</div>
-</div>
-</header>
-<main id="middle">
-<div>
-<div id="mainLeft">
-<div id="nav-wrapper">
-<form action="https://www.google.com/search" method="get">
-<div class="searchbox">
-<input value="tomcat.apache.org" name="sitesearch" type="hidden"><input aria-label="Search text" placeholder="Search…" required="required" name="q" id="query" type="search"><button>GO</button>
-</div>
-</form>
-<div class="asfevents">
-<a href="https://www.apache.org/events/current-event.html"><img src="https://www.apache.org/events/current-event-234x60.png" alt="Next ASF event"><br>
+<html lang="en"><head><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" type="text/css"><title>Apache Tomcat® - Migration Guide - Tomcat 9.0.x</title><meta name="author" content="Apache Tomcat Project"></head><body><div id="wrapper"><header id="header"><div class="clearfix"><div class="menu-toggler pull-left" tabindex="1"><div class="hamburger"></div></div><a href="http://tomcat.apache.org/"><img class="tomcat-logo pull-left noPrint" alt="Tomcat Home" src="res/images/tomcat.png"></a><h1 class="pull-left">Apache Tomcat<sup>®</sup></h1><div class="asf-logos pull-right"><a href="https://www.apache.org/foundation/contributing.html" target="_blank" class="pull-left"><img src="https://www.apache.org/images/SupportApache-small.png" class="support-asf" alt="Support Apache"></a><a hr
ef="http://www.apache.org/" target="_blank" class="pull-left"><img src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software Foundation"></a></div></div></header><main id="middle"><div><div id="mainLeft"><div id="nav-wrapper"><form action="https://www.google.com/search" method="get"><div class="searchbox"><input value="tomcat.apache.org" name="sitesearch" type="hidden"><input aria-label="Search text" placeholder="Search…" required="required" name="q" id="query" type="search"><button>GO</button></div></form><div class="asfevents"><a href="https://www.apache.org/events/current-event.html"><img src="https://www.apache.org/events/current-event-234x60.png" alt="Next ASF event"><br>
Save the date!
- </a>
-</div>
-<nav>
-<div>
-<h2>Apache Tomcat</h2>
-<ul>
-<li>
-<a href="./index.html">Home</a>
-</li>
-<li>
-<a href="./taglibs.html">Taglibs</a>
-</li>
-<li>
-<a href="./maven-plugin.html">Maven Plugin</a>
-</li>
-</ul>
-</div>
-<div>
-<h2>Download</h2>
-<ul>
-<li>
-<a href="./whichversion.html">Which version?</a>
-</li>
-<li>
-<a href="https://tomcat.apache.org/download-90.cgi">Tomcat 9</a>
-</li>
-<li>
-<a href="https://tomcat.apache.org/download-80.cgi">Tomcat 8</a>
-</li>
-<li>
-<a href="https://tomcat.apache.org/download-70.cgi">Tomcat 7</a>
-</li>
-<li>
-<a href="https://tomcat.apache.org/download-connectors.cgi">Tomcat Connectors</a>
-</li>
-<li>
-<a href="https://tomcat.apache.org/download-native.cgi">Tomcat Native</a>
-</li>
-<li>
-<a href="https://tomcat.apache.org/download-taglibs.cgi">Taglibs</a>
-</li>
-<li>
-<a href="https://archive.apache.org/dist/tomcat/">Archives</a>
-</li>
-</ul>
-</div>
-<div>
-<h2>Documentation</h2>
-<ul>
-<li>
-<a href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a>
-</li>
-<li>
-<a href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a>
-</li>
-<li>
-<a href="./tomcat-7.0-doc/index.html">Tomcat 7.0</a>
-</li>
-<li>
-<a href="./connectors-doc/">Tomcat Connectors</a>
-</li>
-<li>
-<a href="./native-doc/">Tomcat Native</a>
-</li>
-<li>
-<a href="https://cwiki.apache.org/confluence/display/TOMCAT">Wiki</a>
-</li>
-<li>
-<a href="./migration.html">Migration Guide</a>
-</li>
-<li>
-<a href="./presentations.html">Presentations</a>
-</li>
-</ul>
-</div>
-<div>
-<h2>Problems?</h2>
-<ul>
-<li>
-<a href="./security.html">Security Reports</a>
-</li>
-<li>
-<a href="./findhelp.html">Find help</a>
-</li>
-<li>
-<a href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ">FAQ</a>
-</li>
-<li>
-<a href="./lists.html">Mailing Lists</a>
-</li>
-<li>
-<a href="./bugreport.html">Bug Database</a>
-</li>
-<li>
-<a href="./irc.html">IRC</a>
-</li>
-</ul>
-</div>
-<div>
-<h2>Get Involved</h2>
-<ul>
-<li>
-<a href="./getinvolved.html">Overview</a>
-</li>
-<li>
-<a href="./source.html">Source code</a>
-</li>
-<li>
-<a href="./ci.html">Buildbot</a>
-</li>
-<li>
-<a href="https://cwiki.apache.org/confluence/x/vIPzBQ">Translations</a>
-</li>
-<li>
-<a href="./tools.html">Tools</a>
-</li>
-</ul>
-</div>
-<div>
-<h2>Media</h2>
-<ul>
-<li>
-<a href="https://twitter.com/theapachetomcat">Twitter</a>
-</li>
-<li>
-<a href="https://www.youtube.com/c/ApacheTomcatOfficial">YouTube</a>
-</li>
-<li>
-<a href="https://blogs.apache.org/tomcat/">Blog</a>
-</li>
-</ul>
-</div>
-<div>
-<h2>Misc</h2>
-<ul>
-<li>
-<a href="./whoweare.html">Who We Are</a>
-</li>
-<li>
-<a href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat">Swag</a>
-</li>
-<li>
-<a href="./heritage.html">Heritage</a>
-</li>
-<li>
-<a href="http://www.apache.org">Apache Home</a>
-</li>
-<li>
-<a href="./resources.html">Resources</a>
-</li>
-<li>
-<a href="./contact.html">Contact</a>
-</li>
-<li>
-<a href="./legal.html">Legal</a>
-</li>
-<li>
-<a href="https://www.apache.org/foundation/contributing.html">Support Apache</a>
-</li>
-<li>
-<a href="https://www.apache.org/foundation/sponsorship.html">Sponsorship</a>
-</li>
-<li>
-<a href="http://www.apache.org/foundation/thanks.html">Thanks</a>
-</li>
-<li>
-<a href="http://www.apache.org/licenses/">License</a>
-</li>
-</ul>
-</div>
-</nav>
-</div>
-</div>
-<div id="mainRight">
-<div id="content">
-<h2 style="display: none;">Content</h2>
-<h3 id="Table_of_Contents">Table of Contents</h3>
-<div class="text">
-
-<ul>
-<li>
-<a href="#General">General</a>
-</li>
-<li>
-<a href="#Migrating_from_8.0.x_or_8.5.x_to_9.0.x">Migrating from 8.0.x or 8.5.x to 9.0.x</a>
-<ol>
-<li>
-<a href="#Java_8_required">Java 8 required</a>
-</li>
-<li>
-<a href="#Specification_APIs">Specification APIs</a>
-</li>
-<li>
-<a href="#Servlet_4.0_API">Servlet 4.0 API</a>
-</li>
-<li>
-<a href="#JavaServer_Pages_2.4">JavaServer Pages 2.4</a>
-</li>
-<li>
-<a href="#Expression_Language_3.1">Expression Language 3.1</a>
-</li>
-<li>
-<a href="#WebSocket_2.0">WebSocket 2.0</a>
-</li>
-<li>
-<a href="#BIO_connector_removed">BIO connector removed</a>
-</li>
-<li>
-<a href="#Comet_support_removed">Comet support removed</a>
-</li>
-<li>
-<a href="#HTTP/2_support_added">HTTP/2 support added</a>
-</li>
-<li>
-<a href="#TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</a>
-</li>
-<li>
-<a href="#Internal_APIs">Internal APIs</a>
-</li>
-<li>
-<a href="#JSR-77_implementation_removed">JSR-77 implementation removed</a>
-</li>
-<li>
-<a href="#Clustering">Clustering</a>
-</li>
-<li>
-<a href="#InstanceListener_removed">InstanceListener removed</a>
-</li>
-<li>
-<a href="#SessionManager">SessionManager</a>
-</li>
-<li>
-<a href="#Cookies">Cookies</a>
-</li>
-<li>
-<a href="#Web_applications">Web applications</a>
-</li>
-<li>
-<a href="#Engine_and_Host_configurations">Engine and Host configurations</a>
-</li>
-<li>
-<a href="#Context_configurations">Context configurations</a>
-</li>
-<li>
-<a href="#Logging">Logging</a>
-</li>
-</ol>
-</li>
-<li>
-<a href="#Upgrading_9.0.x">Upgrading 9.0.x</a>
-<ol>
-<li>
-<a href="#Tomcat_9.0.x_noteable_changes">Tomcat 9.0.x noteable changes</a>
-</li>
-<li>
-<a href="#Tomcat_9.0.x_configuration_file_differences">Tomcat 9.0.x configuration file differences</a>
-</li>
-</ol>
-</li>
-</ul>
-
-</div>
-<h3 id="General">General</h3>
-<div class="text">
-
+ </a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a href="./index.html">Home</a></li><li><a href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a href="./whichversion.html">Which version?</a></li><li><a href="https://tomcat.apache.org/download-90.cgi">Tomcat 9</a></li><li><a href="https://tomcat.apache.org/download-80.cgi">Tomcat 8</a></li><li><a href="https://tomcat.apache.org/download-70.cgi">Tomcat 7</a></li><li><a href="https://tomcat.apache.org/download-connectors.cgi">Tomcat Connectors</a></li><li><a href="https://tomcat.apache.org/download-native.cgi">Tomcat Native</a></li><li><a href="https://tomcat.apache.org/download-taglibs.cgi">Taglibs</a></li><li><a href="https://archive.apache.org/dist/tomcat/">Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li><l
i><a href="./tomcat-7.0-doc/index.html">Tomcat 7.0</a></li><li><a href="./connectors-doc/">Tomcat Connectors</a></li><li><a href="./native-doc/">Tomcat Native</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT">Wiki</a></li><li><a href="./migration.html">Migration Guide</a></li><li><a href="./presentations.html">Presentations</a></li></ul></div><div><h2>Problems?</h2><ul><li><a href="./security.html">Security Reports</a></li><li><a href="./findhelp.html">Find help</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ">FAQ</a></li><li><a href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get Involved</h2><ul><li><a href="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a href="https://cwiki.apache.org/confluence/x/vIPzBQ">Translations</a></li><li><a href="./tools
.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a href="https://twitter.com/theapachetomcat">Twitter</a></li><li><a href="https://www.youtube.com/c/ApacheTomcatOfficial">YouTube</a></li><li><a href="https://blogs.apache.org/tomcat/">Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a href="./whoweare.html">Who We Are</a></li><li><a href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat">Swag</a></li><li><a href="./heritage.html">Heritage</a></li><li><a href="http://www.apache.org">Apache Home</a></li><li><a href="./resources.html">Resources</a></li><li><a href="./contact.html">Contact</a></li><li><a href="./legal.html">Legal</a></li><li><a href="https://www.apache.org/foundation/contributing.html">Support Apache</a></li><li><a href="https://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li><li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li><li><a href="http://www.apache.org/licenses/">License</a></li></ul></div></
nav></div></div><div id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 id="Table_of_Contents">Table of Contents</h3><div class="text">
+<ul><li><a href="#General">General</a></li><li><a href="#Migrating_from_8.0.x_or_8.5.x_to_9.0.x">Migrating from 8.0.x or 8.5.x to 9.0.x</a><ol><li><a href="#Java_8_required">Java 8 required</a></li><li><a href="#Specification_APIs">Specification APIs</a></li><li><a href="#Servlet_4.0_API">Servlet 4.0 API</a></li><li><a href="#JavaServer_Pages_2.4">JavaServer Pages 2.4</a></li><li><a href="#Expression_Language_3.1">Expression Language 3.1</a></li><li><a href="#WebSocket_2.0">WebSocket 2.0</a></li><li><a href="#BIO_connector_removed">BIO connector removed</a></li><li><a href="#Comet_support_removed">Comet support removed</a></li><li><a href="#HTTP/2_support_added">HTTP/2 support added</a></li><li><a href="#TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</a></li><li><a href="#Internal_APIs">Internal APIs</a></li><li><a href="#JSR-77_implementation_removed">JSR-77 implementation removed</a></li><li><a href="#Clusteri
ng">Clustering</a></li><li><a href="#InstanceListener_removed">InstanceListener removed</a></li><li><a href="#SessionManager">SessionManager</a></li><li><a href="#Cookies">Cookies</a></li><li><a href="#Web_applications">Web applications</a></li><li><a href="#Engine_and_Host_configurations">Engine and Host configurations</a></li><li><a href="#Context_configurations">Context configurations</a></li><li><a href="#Logging">Logging</a></li></ol></li><li><a href="#Upgrading_9.0.x">Upgrading 9.0.x</a><ol><li><a href="#Tomcat_9.0.x_noteable_changes">Tomcat 9.0.x noteable changes</a></li><li><a href="#Tomcat_9.0.x_configuration_file_differences">Tomcat 9.0.x configuration file differences</a></li></ol></li></ul>
+</div><h3 id="General">General</h3><div class="text">
<p>Please read general <a href="migration.html">Migration Guide page</a> first,
for common considerations that apply to migration or upgrade between versions
of Apache Tomcat.</p>
+</div><h3 id="Migrating_from_8.0.x_or_8.5.x_to_9.0.x">Migrating from 8.0.x or 8.5.x to 9.0.x</h3><div class="text">
-</div>
-<h3 id="Migrating_from_8.0.x_or_8.5.x_to_9.0.x">Migrating from 8.0.x or 8.5.x to 9.0.x</h3>
-<div class="text">
-
-
-<p>This section lists all the known changes between 8.0.x / 8.5.x and 9.0.x
+ <p>This section lists all the known changes between 8.0.x / 8.5.x and 9.0.x
which may cause backwards compatibility problems when upgrading. Some of
these changes and new features are already present in Apache Tomcat 8.5.x.</p>
-
-<div class="subsection">
-<h4 id="Java_8_required">Java 8 required</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Java_8_required">Java 8 required</h4><div class="text">
-
-<p>Apache Tomcat 9.0.x requires Java 8 or later. Apache Tomcat 8.0.x and 8.5.x
+ <p>Apache Tomcat 9.0.x requires Java 8 or later. Apache Tomcat 8.0.x and 8.5.x
required Java 7.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Specification_APIs">Specification APIs</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Specification_APIs">Specification APIs</h4><div class="text">
-
-<p>Apache Tomcat 9 supports the Java Servlet 4.0, JavaServer Pages 2.4,
+ <p>Apache Tomcat 9 supports the Java Servlet 4.0, JavaServer Pages 2.4,
Java Unified Expression Language 3.1 and Java API for WebSocket 2.0
<a href="https://cwiki.apache.org/confluence/display/TOMCAT/Servlet+and+JSP+specifications">specifications</a>.
The changes between versions of specifications may be found in the
<em>Changes</em> appendix in each of specification documents.
</p>
+ </div></div>
-</div>
-</div>
+ <div class="subsection"><h4 id="Servlet_4.0_API">Servlet 4.0 API</h4><div class="text">
-
-<div class="subsection">
-<h4 id="Servlet_4.0_API">Servlet 4.0 API</h4>
-<div class="text">
-
-
-<p>In JSP pages that use wildcard import syntax the new classes added in
+ <p>In JSP pages that use wildcard import syntax the new classes added in
Servlet API may conflict with ones in web applications.
For example, if package <code>"a"</code> contains class
<code>PushBuilder</code>, the following JSP page will cease to compile in
Tomcat 9:</p>
-
-<div class="codeBox">
-<pre>
-<code><%@page import="a.*"%>
-<% PushBuilder pushBuilder = new PushBuilder(); %></code>
-</pre>
-</div>
+ <div class="codeBox"><pre><code><%@page import="a.*"%>
+<% PushBuilder pushBuilder = new PushBuilder(); %></code></pre></div>
-
-<p>This happens because the implicit import of
+ <p>This happens because the implicit import of
<code>javax.servlet.http.*</code> and the explicit import of
<code>a.*</code> will provide conflicting definitions of class
<code>PushBuilder</code> that was added in Servlet 4.0. The solution is to
use the explicit import, <code>import="a.PushBuilder"</code>.</p>
-
-</div>
-</div>
+ </div></div>
+ <div class="subsection"><h4 id="JavaServer_Pages_2.4">JavaServer Pages 2.4</h4><div class="text">
-<div class="subsection">
-<h4 id="JavaServer_Pages_2.4">JavaServer Pages 2.4</h4>
-<div class="text">
-
-
-<p>No information is currently available. It is anticipated that Java EE 8
+ <p>No information is currently available. It is anticipated that Java EE 8
will include a maintenance release of JSP with a version of 2.4.</p>
-
-</div>
-</div>
+ </div></div>
+ <div class="subsection"><h4 id="Expression_Language_3.1">Expression Language 3.1</h4><div class="text">
-<div class="subsection">
-<h4 id="Expression_Language_3.1">Expression Language 3.1</h4>
-<div class="text">
-
-
-<p>No information is currently available. It is anticipated that Java EE 8
+ <p>No information is currently available. It is anticipated that Java EE 8
will include a maintenance release of expression language with a version of
3.1.</p>
-
-</div>
-</div>
+ </div></div>
+ <div class="subsection"><h4 id="WebSocket_2.0">WebSocket 2.0</h4><div class="text">
-<div class="subsection">
-<h4 id="WebSocket_2.0">WebSocket 2.0</h4>
-<div class="text">
-
-
-<p>No information is currently available. It is anticipated that Java EE 8
+ <p>No information is currently available. It is anticipated that Java EE 8
will include an updated Java API for WebSocket specification with a
version of 2.0.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="BIO_connector_removed">BIO connector removed</h4>
-<div class="text">
+ <div class="subsection"><h4 id="BIO_connector_removed">BIO connector removed</h4><div class="text">
-
-<p>
-<em>The following change is present in 8.5.0 onwards.</em>
-</p>
+ <p><em>The following change is present in 8.5.0 onwards.</em></p>
-
-<p>The Java blocking IO implementation (BIO) for both HTTP and AJP has been
+ <p>The Java blocking IO implementation (BIO) for both HTTP and AJP has been
removed. Users are recommended to switch to the Java non-blocking IO
implementation (NIO).</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Comet_support_removed">Comet support removed</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Comet_support_removed">Comet support removed</h4><div class="text">
-
-<p>
-<em>The following change is present in 8.5.0 onwards.</em>
-</p>
+ <p><em>The following change is present in 8.5.0 onwards.</em></p>
-
-<p>Comet support has been removed without a direct replacement. Applications
+ <p>Comet support has been removed without a direct replacement. Applications
using Comet are recommended to migrate to WebSockets.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="HTTP/2_support_added">HTTP/2 support added</h4>
-<div class="text">
+ <div class="subsection"><h4 id="HTTP/2_support_added">HTTP/2 support added</h4><div class="text">
-
-<p>
-<em>The following feature is available since 8.5.0 onwards.</em>
-</p>
+ <p><em>The following feature is available since 8.5.0 onwards.</em></p>
-
-<p>HTTP/2 is supported for h2 (over TLS, negotiated via ALPN) and h2c (clear
+ <p>HTTP/2 is supported for h2 (over TLS, negotiated via ALPN) and h2c (clear
text, negotiated via HTTP/1.1 upgrade). HTTP/2 needs to be explicitly
enabled for a connector. To enable it, insert
- <div class="codeBox">
-<pre>
-<code><UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" /></code>
-</pre>
-</div>
+ <div class="codeBox"><pre><code><UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" /></code></pre></div>
inside the connector for which you wish to enable HTTP/2. Note that to
enable HTTP/2 for a secure NIO or NIO2 connector, those connectors must be
using the OpenSSL engine for TLS.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</h4>
-<div class="text">
+ <div class="subsection"><h4 id="TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual hosting and multiple certificate support added</h4><div class="text">
-
-<p>
-<em>The following feature is available since 8.5.0 onwards.</em>
-</p>
+ <p><em>The following feature is available since 8.5.0 onwards.</em></p>
-
-<p>Tomcat 9 supports multiple TLS virtual hosts for a single connector with
+ <p>Tomcat 9 supports multiple TLS virtual hosts for a single connector with
each virtual host able to support multiple certificates. Virtual host
definitions are nested inside the Connector element with the default
specified using the <strong>defaultSSLHostConfigName</strong> attribute on the
Connector if more than one virtual host is specified. Certificate
definitions are nested inside the virtual host.</p>
-
-<p>The following example shows how to use this to configure a single
+ <p>The following example shows how to use this to configure a single
APR/native connector for multiple TLS virtual hosts with each host having
both an RSA and EC certificate.
-<div class="codeBox">
-<pre>
-<code>
+<div class="codeBox"><pre><code>
<Connector port="8443"
protocol="org.apache.coyote.http11.Http11AprProtocol"
maxThreads="150"
@@ -529,276 +146,146 @@ of Apache Tomcat.</p>
type="EC" />
</SSLHostConfig>
</Connector>
-</code>
-</pre>
-</div>
-</p>
+</code></pre></div></p>
-
-</div>
-</div>
+ </div></div>
+ <div class="subsection"><h4 id="Internal_APIs">Internal APIs</h4><div class="text">
-<div class="subsection">
-<h4 id="Internal_APIs">Internal APIs</h4>
-<div class="text">
-
-
-<p>Whilst the Tomcat 9 internal API is broadly compatible with Tomcat 8
+ <p>Whilst the Tomcat 9 internal API is broadly compatible with Tomcat 8
there have been many changes at the detail level and they are not binary
compatible. Developers of custom components that interact with Tomcat's
internals should review the JavaDoc for the relevant API.</p>
-
-<p>Of particular note are:</p>
-
-<ul>
-
-<li>Significant refactoring has taken place throughout the connectors to
+ <p>Of particular note are:</p>
+ <ul>
+ <li>Significant refactoring has taken place throughout the connectors to
reduce duplicate code and to align behaviour across
implementations. (<em>This change is present in 8.5.x.</em>)</li>
-
-<li>The deprecated <code>digest</code> attribute has been removed from the
+ <li>The deprecated <code>digest</code> attribute has been removed from the
<code>Realm</code>. (<em>This change is present in 8.5.x.</em>)</li>
-
-</ul>
+ </ul>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="JSR-77_implementation_removed">JSR-77 implementation removed</h4>
-<div class="text">
+ <div class="subsection"><h4 id="JSR-77_implementation_removed">JSR-77 implementation removed</h4><div class="text">
-
-<p>
-<em>The following change is present in 8.5.0 onwards.</em>
-</p>
+ <p><em>The following change is present in 8.5.0 onwards.</em></p>
-
-<p>The JSR-77 implementation is incomplete and has been removed in 8.5.x and 9.0.x.
+ <p>The JSR-77 implementation is incomplete and has been removed in 8.5.x and 9.0.x.
Specifically, the following methods that exposed to JMX have been removed.
</p>
-
-<ul>
-
-<li>
-<code>StandardContext.getServlets()</code>
-</li>
-
-<li>
-<code>StandardContext.isStateManageable()</code>
-</li>
-
-<li>
-<code>StandardContext.getDeploymentDescriptor()</code>
-</li>
-
-<li>
-<code>StandardWrapper.isStateManageable()</code>
-</li>
-
-</ul>
-
-</div>
-</div>
+ <ul>
+ <li><code>StandardContext.getServlets()</code></li>
+ <li><code>StandardContext.isStateManageable()</code></li>
+ <li><code>StandardContext.getDeploymentDescriptor()</code></li>
+ <li><code>StandardWrapper.isStateManageable()</code></li>
+ </ul>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Clustering">Clustering</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Clustering">Clustering</h4><div class="text">
-
-<p>
-<em>The following change is present in 8.5.0 onwards.</em>
-</p>
+ <p><em>The following change is present in 8.5.0 onwards.</em></p>
-
-<p>
-<code>MessageDispatch15Interceptor</code> had been used to add the Java 5
+ <p><code>MessageDispatch15Interceptor</code> had been used to add the Java 5
features to MessageDispatchInterceptor.
<code>MessageDispatch15Interceptor</code> has been removed in Tomcat 8.5.x and 9.0.x
by merging the Java 5 features to <code>MessageDispatchInterceptor</code>.
</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="InstanceListener_removed">InstanceListener removed</h4>
-<div class="text">
+ <div class="subsection"><h4 id="InstanceListener_removed">InstanceListener removed</h4><div class="text">
-
-<p>
-<em>The following change is present in 8.5.0 onwards.</em>
-</p>
+ <p><em>The following change is present in 8.5.0 onwards.</em></p>
-
-<p>The support of InstanceListener has been removed in 8.5.x and 9.0.x.
+ <p>The support of InstanceListener has been removed in 8.5.x and 9.0.x.
Specifically, the following classes have been removed.
</p>
-
-<ul>
-
-<li>
-<code>org.apache.catalina.InstanceListener</code>
-</li>
-
-<li>
-<code>org.apache.catalina.InstanceEvent</code>
-</li>
-
-<li>
-<code>org.apache.catalina.util.InstanceSupport</code>
-</li>
-
-</ul>
-
-</div>
-</div>
+ <ul>
+ <li><code>org.apache.catalina.InstanceListener</code></li>
+ <li><code>org.apache.catalina.InstanceEvent</code></li>
+ <li><code>org.apache.catalina.util.InstanceSupport</code></li>
+ </ul>
+ </div></div>
-
-<div class="subsection">
-<h4 id="SessionManager">SessionManager</h4>
-<div class="text">
+ <div class="subsection"><h4 id="SessionManager">SessionManager</h4><div class="text">
-
-<p>
-<em>The following change is present in 8.5.0 onwards.</em>
-</p>
+ <p><em>The following change is present in 8.5.0 onwards.</em></p>
-
-<p>The following session manager attributes have been completely removed in
+ <p>The following session manager attributes have been completely removed in
8.5.x and 9.0.x.</p>
-
-<ul>
-
-<li>
-<code>distributable</code>
-</li>
-
-<li>
-<code>maxInactiveInterval</code>
-</li>
-
-<li>
-<code>sessionIdLength</code>
-</li>
-
-</ul>
-
-
-<p>The replacements are as follows:</p>
-
-<ul>
-
-<li>The <code>distributable</code> attribute has been deprecated in 8.0
+ <ul>
+ <li><code>distributable</code></li>
+ <li><code>maxInactiveInterval</code></li>
+ <li><code>sessionIdLength</code></li>
+ </ul>
+
+ <p>The replacements are as follows:</p>
+ <ul>
+ <li>The <code>distributable</code> attribute has been deprecated in 8.0
and specified value is ignored. This should be configured via the
Context. The value is inherited based on the presence or absence of
the <code><distributable /></code> element in
- <code>/WEB-INF/web.xml.</code>
-</li>
-
-<li>The <code>maxInactiveInterval</code> attribute has been deprecated in
+ <code>/WEB-INF/web.xml.</code></li>
+ <li>The <code>maxInactiveInterval</code> attribute has been deprecated in
8.0. If the value is specified, a warning log is issued. This should
be configured via the Context. The value is inherited based on the
value of the <code><session-timeout></code> element in
<code>/WEB-INF/web.xml</code>.</li>
-
-<li>The <code>sessionIdLength</code> attribute of <code>Manager</code> has
+ <li>The <code>sessionIdLength</code> attribute of <code>Manager</code> has
been replaced by <code>sessionIdLength</code> attribute of
<code>SessionIdGenerator</code>.</li>
-
-</ul>
-
-</div>
-</div>
+ </ul>
+ </div></div>
+ <div class="subsection"><h4 id="Cookies">Cookies</h4><div class="text">
-<div class="subsection">
-<h4 id="Cookies">Cookies</h4>
-<div class="text">
-
-
-<p>The default <code>CookieProcessor</code> is now the
+ <p>The default <code>CookieProcessor</code> is now the
<code>Rfc6265CookieProcessor</code>. The <code>CookieProcessor</code> is
configurable per <code>Context</code> and the
<code>LegacyCookieProcessor</code> may be used to obtain the 8.0.x
behaviour.</p>
-
-</div>
-</div>
+ </div></div>
+ <div class="subsection"><h4 id="Web_applications">Web applications</h4><div class="text">
-<div class="subsection">
-<h4 id="Web_applications">Web applications</h4>
-<div class="text">
-
-
-<p>The Manager and HostManager web applications are configured by default
+ <p>The Manager and HostManager web applications are configured by default
with a <code>RemoteAddrValve</code> that limits access to those
applications to connections from localhost.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Engine_and_Host_configurations">Engine and Host configurations</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Engine_and_Host_configurations">Engine and Host configurations</h4><div class="text">
-
-<p>The behaviour for <code>startStopThreads</code> has changed when the
+ <p>The behaviour for <code>startStopThreads</code> has changed when the
effective value is 1. In this case, children will be started on the current
thread rather than via an <code>ExecutorService</code> configured with a
single thread.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Context_configurations">Context configurations</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Context_configurations">Context configurations</h4><div class="text">
-
-<p>The <code>clearReferencesStatic</code> attribute has been removed in
+ <p>The <code>clearReferencesStatic</code> attribute has been removed in
8.5.x and 9.0.x.</p>
-
-</div>
-</div>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Logging">Logging</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Logging">Logging</h4><div class="text">
-
-<p>By default the log files will be kept 90 days and then removed from the
+ <p>By default the log files will be kept 90 days and then removed from the
file system.</p>
-
-</div>
-</div>
-
+ </div></div>
-</div>
-<h3 id="Upgrading_9.0.x">Upgrading 9.0.x</h3>
-<div class="text">
+</div><h3 id="Upgrading_9.0.x">Upgrading 9.0.x</h3><div class="text">
-
-<p>When upgrading instances of Apache Tomcat from one version of Tomcat 9 to
+ <p>When upgrading instances of Apache Tomcat from one version of Tomcat 9 to
another, particularly when using separate locations for $CATALINA_HOME and
$CATALINA_BASE, it is necessary to ensure that any changes in the
configuration files such as new attributes and changes to defaults are applied
@@ -806,90 +293,56 @@ of Apache Tomcat.</p>
the form below may be used to view the differences between the configuration
files in different versions of Tomcat 9.</p>
-
-<div class="subsection">
-<h4 id="Tomcat_9.0.x_noteable_changes">Tomcat 9.0.x noteable changes</h4>
-<div class="text">
-
-<p>The Tomcat developers aim for each patch release to be fully backwards
+ <div class="subsection"><h4 id="Tomcat_9.0.x_noteable_changes">Tomcat 9.0.x noteable changes</h4><div class="text">
+ <p>The Tomcat developers aim for each patch release to be fully backwards
compatible with the previous release. Occasionally, it is necessary to
break backwards compatibility in order to fix a bug. In most cases, these
changes will go unnoticed. This section lists changes that are not fully
backwards compatible and might cause breakage when upgrading.</p>
-
-<ul>
-
-<li>
-<p>In 9.0.31 onwards, the default listen <strong>address</strong> of
+ <ul>
+ <li><p>In 9.0.31 onwards, the default listen <strong>address</strong> of
the AJP Connector was changed to the loopback address rather than all
addresses.</p>
-
-<p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-<li>
-<p>In 9.0.31 onwards, the <strong>requiredSecret</strong> attribute
+ </li>
+ <li><p>In 9.0.31 onwards, the <strong>requiredSecret</strong> attribute
of the AJP Connector was deprecated and replaced by the
<strong>secret</strong> attribute.</p>
-
-<p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-<li>
-<p>In 9.0.31 onwards, the <strong>secretRequired</strong> attribute
+ </li>
+ <li><p>In 9.0.31 onwards, the <strong>secretRequired</strong> attribute
was added to the AJP Connector. If set to <code>true</code>, the
default, the AJP Connector will not start unless a
<strong>secret</strong> has been specified.</p>
-
-<p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-<li>
-<p>In 9.0.31 onwards, the
+ </li>
+ <li><p>In 9.0.31 onwards, the
<strong>allowedRequestAttributesPattern</strong> attribute was added to
the AJP Connector. Requests with unrecognised attributes will now be
blocked with a 403.</p>
-
-<p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
+ <p>Reference: <a href="tomcat-9.0-doc/config/ajp.html">AJP
connector</a>.</p>
-
-</li>
-
-</ul>
-
-</div>
-</div>
+ </li>
+ </ul>
+ </div></div>
-
-<div class="subsection">
-<h4 id="Tomcat_9.0.x_configuration_file_differences">Tomcat 9.0.x configuration file differences</h4>
-<div class="text">
+ <div class="subsection"><h4 id="Tomcat_9.0.x_configuration_file_differences">Tomcat 9.0.x configuration file differences</h4><div class="text">
-
-<p>Select a configuration file, old version and new version from the boxes
+ <p>Select a configuration file, old version and new version from the boxes
below and then click "View differences" to see the differences.
The differences will be shown in a new tab/window.</p>
-
-<p>
-<b>Note:</b> If there are no differences you will see an error page.</p>
+ <p><b>Note:</b> If there are no differences you will see an error page.</p>
-
-<form action="https://gitbox.apache.org/repos/asf" method="get" target="_blank">
+ <form action="https://gitbox.apache.org/repos/asf" method="get" target="_blank">
-
-<input type="hidden" name="p" value="tomcat.git">
+ <input type="hidden" name="p" value="tomcat.git">
<input type="hidden" name="a" value="blobdiff">
-
-<p>
-<label>Configuration file:
+ <p><label>Configuration file:
<select name="f">
<option value="conf/catalina.policy">catalina.policy</option>
<option value="conf/catalina.properties">catalina.properties</option>
@@ -899,11 +352,8 @@ of Apache Tomcat.</p>
<option value="conf/tomcat-users.xml">tomcat-users.xml</option>
<option value="conf/web.xml">web.xml</option>
</select></label>
-
-</p>
-
-<p>
-<label>Old version:
+ </p>
+ <p><label>Old version:
<select name="hpb">
<option value="9.0.0-M1">9.0.0-M1</option>
<option value="9.0.0-M3">9.0.0-M3</option>
@@ -991,44 +441,21 @@ of Apache Tomcat.</p>
<option value="9.0.31" selected>9.0.31</option>
<option value="HEAD">trunk (unreleased)</option>
</select></label>
-
-</p>
+ </p>
-
-<p>
-
-<button>View Differences</button>
-
-</p>
-
-</form>
-
-<p>You can also use a Git command similar to the following from within a
+ <p>
+ <button>View Differences</button>
+ </p>
+ </form>
+ <p>You can also use a Git command similar to the following from within a
working copy:</p>
-
-<div class="codeBox">
-<pre>
-<code>git diff 9.0.0 9.0.12 -- conf/</code>
-</pre>
-</div>
-
-</div>
-</div>
+ <div class="codeBox"><pre><code>git diff 9.0.0 9.0.12 -- conf/</code></pre></div>
+ </div></div>
-
-</div>
-</div>
-</div>
-</div>
-</main>
-<footer id="footer">
+</div></div></div></div></main><footer id="footer">
Copyright © 1999-2020, The Apache Software Foundation
<br>
Apache Tomcat, Tomcat, Apache, the Apache feather, and the Apache Tomcat
project logo are either registered trademarks or trademarks of the Apache
Software Foundation.
- </footer>
-</div>
-<script src="res/js/tomcat.js"></script>
-</body>
-</html>
+ </footer></div><script src="res/js/tomcat.js"></script></body></html>
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