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<html><head><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Catalina Functional Specifications (7.0.52) - Table of Contents</title><meta name="author" content="Craig R. McClanahan"><style type="text/css" media="print">
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        </style></head><body bgcolor="#ffffff" text="#000000" link="#525D76" alink="#525D76" vlink="#525D76"><table border="0" width="100%" cellspacing="0"><!--PAGE HEADER--><tr><td><!--PROJECT LOGO--><a href="http://tomcat.apache.org/"><img src="../images/tomcat.gif" align="right" alt="
      Catalina Functional Specifications
    " border="0"></a></td><td><h1><font face="arial,helvetica,sanserif">Apache Tomcat 7</font></h1><font face="arial,helvetica,sanserif">Version 7.0.52, Oct 10 2018</font></td><td><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="../images/asf-logo.gif" align="right" alt="Apache Logo" border="0"></a></td></tr></table><table border="0" width="100%" cellspacing="4"><!--HEADER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><tr><!--LEFT SIDE NAVIGATION--><td width="20%" valign="top" nowrap class="noPrint"><p><strong>Links</strong></p><ul><li><a href="../index.html">Docs Home</a></li><li><a href="index.html">Functional Specs</a></li><li><a href="http://wiki.apache.org/tomcat/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul><p><strong>Administrative Apps</strong></p><ul><li><a href="fs-admin-apps.html">Overall Requirements</a></li><li><a href="mbean-names.html">Tomcat MBean Names</a></li><li><a href="fs-admin-objects.html">Administered Objects</a></li><li><a href="fs-admin-opers.html">Supported Operations</a></li></ul><p><strong>Internal Servlets</strong></p><ul><li><a href="fs-default.html">Default Servlet</a></li></ul><p><strong>Realm Implementations</strong></p><ul><li><a href="fs-jdbc-realm.html">JDBC Realm</a></li><li><a href="fs-jndi-realm.html">JNDI Realm</a></li><li><a href="fs-memory-realm.html">Memory Realm</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>Table of Contents</h1><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Catalina Functional Specifications"><!--()--></a><a name="Catalina_Functional_Specifications"><strong>Catalina Functional Specifications</strong></a></font></td></tr><tr><td><blockquote>

<p>This documentation area includes <em>functional specifications</em> for
many features supported by the <strong>Catalina</strong> servlet container
portion of Tomcat.  In most cases, these features are not documented in the
underlying Servlet or JSP specifications, so a definition of the expected
correct behavior is important both to implementors of those features, and to
test writers trying to decide what to test.</p>

<p>The functional specifications are divided into the following categories
in the menu (to the left):</p>
<ul>
<li><em>Administrative Apps</em> - Overall requirements for supporting an
    ability to configure and operate a Tomcat installation through tools,
    as well as detailed requirements for the tools themselves.</li>
<li><em>Internal Servlets</em> - Requirements for Catalina features that are
    implemented as internal, container-managed, servlets.</li>
<li><em>Realm Implementations</em> - Requirements for the implementations of
    the <code>org.apache.catalina.Realm</code> interface (providing access to
    collections of users, passwords and roles) that are included in the
    standard Tomcat distribution.</li>
</ul>

<p><em>NOTE</em> - In some cases, the contents of these functional specs has
been "reverse engineered" from existing implementations.  This exercise is
still useful, because it provides an introduction to <strong>what</strong>
Catalina does, without being as concerned with <strong>how</strong> this is
accomplished.</p>

<p><strong>TODO</strong> - Obviously, this area has a long ways to go before
it is complete.  Contributions are welcome!</p>

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