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<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>Apache Tomcat 7 (7.0.108) - Virtual Hosting and Tomcat</title><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="https://tomcat.apache.org/"><img src="./images/tomcat.gif" align="right" alt="
The Apache Tomcat Servlet/JSP Container
" border="0"></a></td><td><h1><font face="arial,helvetica,sanserif">Apache Tomcat 7</font></h1><font face="arial,helvetica,sanserif">Version 7.0.108, Jan 28 2021</font></td><td><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="./images/asf-logo.svg" align="right" alt="Apache Logo" border="0" style="width: 266px;height: 83px;"></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="https://wiki.apache.org/tomcat/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul><p><strong>User Guide</strong></p><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></ul><p><strong>Reference</strong></p><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 Javadocs</a></li><li><a href="jspapi/index.html">JSP 2.2 Javadocs</a></li><li><a href="elapi/index.html">EL 2.2 Javadocs</a></li><li><a href="websocketapi/index.html">WebSocket 1.1 Javadocs</a></li><li><a href="annotationapi/index.html">Common Annotations 1.1 Javadocs</a></li><li><a href="https://tomcat.apache.org/connectors-doc/">JK 1.2 Documentation</a></li></ul><p><strong>Apache Tomcat Development</strong></p><ul><li><a href="building.html">Building</a></li><li><a href="changelog.html">Changelog</a></li><li><a href="https://wiki.apache.org/tomcat/TomcatVersions">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></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>Virtual Hosting and Tomcat</h1><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Table of Contents"><!--()--></a><a name="Table_of_Contents"><strong>Table of Contents</strong></a></font></td></tr><tr><td><blockquote>
<ul><li><a href="#Assumptions">Assumptions</a></li><li><a href="#server.xml">server.xml</a></li><li><a href="#Webapps_Directory">Webapps Directory</a></li><li><a href="#Configuring_Your_Contexts">Configuring Your Contexts</a><ol><li><a href="#General">General</a></li><li><a href="#context.xml_-_approach__1">context.xml - approach #1</a></li><li><a href="#context.xml_-_approach__2">context.xml - approach #2</a></li><li><a href="#Defaults_per_host">Defaults per host</a></li><li><a href="#Further_Information">Further Information</a></li></ol></li></ul>
</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Assumptions"><strong>Assumptions</strong></a></font></td></tr><tr><td><blockquote>
<p>
For the sake of this how-to, assume you have a development host with two
host names, <code>ren</code> and <code>stimpy</code>. Let's also assume
one instance of Tomcat running, so <code>$CATALINA_HOME</code> refers to
wherever it's installed, perhaps <code>/usr/local/tomcat</code>.
</p>
<p>
Also, this how-to uses Unix-style path separators and commands; if you're
on Windows modify accordingly.
</p>
</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="server.xml"><strong>server.xml</strong></a></font></td></tr><tr><td><blockquote>
<p>
At the simplest, edit the <a href="config/engine.html">Engine</a> portion
of your <code>server.xml</code> file to look like this:
</p>
<div class="codeBox"><pre><code>
&lt;Engine name="Catalina" defaultHost="ren"&gt;
&lt;Host name="ren" appBase="renapps"/&gt;
&lt;Host name="stimpy" appBase="stimpyapps"/&gt;
&lt;/Engine&gt;
</code></pre></div>
<p>
Note that the directory structures under the appBase for each host should
not overlap each other.
</p>
<p>
Consult the configuration documentation for other attributes of the
<a href="config/engine.html">Engine</a> and <a href="config/host.html">
Host</a> elements.
</p>
</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Webapps Directory"><!--()--></a><a name="Webapps_Directory"><strong>Webapps Directory</strong></a></font></td></tr><tr><td><blockquote>
<p>
Create directories for each of the virtual hosts:
</p>
<div class="codeBox"><pre><code>
mkdir $CATALINA_HOME/renapps
mkdir $CATALINA_HOME/stimpyapps
</code></pre></div>
</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Configuring Your Contexts"><!--()--></a><a name="Configuring_Your_Contexts"><strong>Configuring Your Contexts</strong></a></font></td></tr><tr><td><blockquote>
<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="General"><strong>General</strong></a></font></td></tr><tr><td><blockquote>
<p>Contexts are normally located underneath the appBase directory. For
example, to deploy the <code>foobar</code> context as a war file in
the <code>ren</code> host, use
<code>$CATALINA_HOME/renapps/foobar.war</code>. Note that the
default or ROOT context for <code>ren</code> would be deployed as
<code>$CATALINA_HOME/renapps/ROOT.war</code> (WAR) or
<code>$CATALINA_HOME/renapps/ROOT</code> (directory).
</p>
<p><strong>NOTE: The <code>docBase</code> for a context should never be
the same as the <code>appBase</code> for a host.</strong>
</p>
</blockquote></td></tr></table>
<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="context.xml - approach #1"><!--()--></a><a name="context.xml_-_approach__1"><strong>context.xml - approach #1</strong></a></font></td></tr><tr><td><blockquote>
<p>
Within your Context, create a <code>META-INF</code> directory and then
place your Context definition in it in a file named
<code>context.xml</code>. i.e.
<code>$CATALINA_HOME/renapps/ROOT/META-INF/context.xml</code>
This makes deployment easier, particularly if you're distributing a WAR
file.
</p>
</blockquote></td></tr></table>
<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="context.xml - approach #2"><!--()--></a><a name="context.xml_-_approach__2"><strong>context.xml - approach #2</strong></a></font></td></tr><tr><td><blockquote>
<p>
Create a structure under <code>$CATALINA_HOME/conf/Catalina</code>
corresponding to your virtual hosts, e.g.:
</p>
<div class="codeBox"><pre><code>
mkdir $CATALINA_HOME/conf/Catalina/ren
mkdir $CATALINA_HOME/conf/Catalina/stimpy
</code></pre></div>
<p>
Note that the ending directory name "Catalina" represents the
<code>name</code> attribute of the
<a href="config/engine.html">Engine</a> element as shown above.
</p>
<p>
Now, for your default webapps, add:
</p>
<div class="codeBox"><pre><code>
$CATALINA_HOME/conf/Catalina/ren/ROOT.xml
$CATALINA_HOME/conf/Catalina/stimpy/ROOT.xml
</code></pre></div>
<p>
If you want to use the Tomcat manager webapp for each host, you'll also
need to add it here:
</p>
<div class="codeBox"><pre><code>
cd $CATALINA_HOME/conf/Catalina
cp localhost/manager.xml ren/
cp localhost/manager.xml stimpy/
</code></pre></div>
</blockquote></td></tr></table>
<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Defaults per host"><!--()--></a><a name="Defaults_per_host"><strong>Defaults per host</strong></a></font></td></tr><tr><td><blockquote>
<p>
You can override the default values found in <code>conf/context.xml</code>
and <code>conf/web.xml</code> by specifying the new values in files
named <code>context.xml.default</code> and <code>web.xml.default</code>
from the host specific xml directory.</p>
<p>Following our previous example, you could use
<code>$CATALINA_HOME/conf/Catalina/ren/web.xml.default</code>
to customize the defaults for all webapps that are deployed in the virtual
host named <code>ren</code>.
</p>
</blockquote></td></tr></table>
<table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Further Information"><!--()--></a><a name="Further_Information"><strong>Further Information</strong></a></font></td></tr><tr><td><blockquote>
<p>
Consult the configuration documentation for other attributes of the
<a href="config/context.html">Context</a> element.
</p>
</blockquote></td></tr></table>
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Copyright &copy; 1999-2021, Apache Software Foundation
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