Author: markt
Date: Tue Aug 7 08:56:13 2018
New Revision: 1837581
URL: http://svn.apache.org/viewvc?rev=1837581&view=rev
Log:
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=62561
Add advanced class loader configuration information regarding the use of the
Server and Shared class loaders to the documentation web application.
Modified:
tomcat/trunk/webapps/docs/changelog.xml
tomcat/trunk/webapps/docs/class-loader-howto.xml
Modified: tomcat/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1837581&r1=1837580&r2=1837581&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Tue Aug 7 08:56:13 2018
@@ -168,6 +168,11 @@
<add>
Add documents for Static Membership service. (kfujino)
</add>
+ <add>
+ <bug>62561</bug>: Add advanced class loader configuration information
+ regarding the use of the Server and Shared class loaders to the
+ documentation web application. (markt)
+ </add>
</changelog>
</subsection>
<subsection name="Tribes">
Modified: tomcat/trunk/webapps/docs/class-loader-howto.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/class-loader-howto.xml?rev=1837581&r1=1837580&r2=1837581&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/class-loader-howto.xml (original)
+++ tomcat/trunk/webapps/docs/class-loader-howto.xml Tue Aug 7 08:56:13 2018
@@ -258,6 +258,34 @@ for further information.</p>
</section>
+<section name="Advanced configuration">
+
+<p>A more complex class loader hierarchy may also be configured. See the
diagram
+below. By default, the <strong>Server</strong> and <strong>Shared</strong>
+class loaders are not defined and the simplifed hierarchy shown above is used.
+This more complex hierarchy may be use by defining values for the
+<code>server.loader</code> and/or <code>shared.loader</code> properties in
+<code>conf/catalina.properties</code>.</p>
+
+<source>
+ Bootstrap
+ |
+ System
+ |
+ Common
+ / \
+Server Shared
+ / \
+ Webapp1 Webapp2 ...</source>
+
+<p>The <strong>Server</strong> class loader is only visible to Tomcat internals
+and is completely invisible to web applications.</p>
+
+<p>The <strong>Shared</strong> class loader is visible to all web applications
+and may be used to shared code across all web applications. However, any
updates
+to this shared code will require a Tomcat restart.</p>
+
+</section>
</body>
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