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    <p>I believe you have 2 questions here:</p> <ol> <li>How to run multiple tomcat instances in the same server and should you? </li> <li>How to configure apache httpd to do virtual host and front tomcat?</li> </ol> <p>For 1. The following is a very good tutorial on how to run multiple tomcat instances in the same server: <a href="http://java.dzone.com/articles/running-multiple-tomcat">http://java.dzone.com/articles/running-multiple-tomcat</a>, but should you? the answer is "it depends". If you have a super powerful box and it is under utilized, you should. It also depends on what type of application you runs for each individual sites. It will definitely help you "bring down sites one at a time without influencing each other". With apache httpd configuration which I will explain in the next section, you can also run the each site on separate machines (physical or vm).</p> <p>For 2. In you case, you just need to configure apache httpd to do virtual host and use ajp to connect to tomcat.</p> <pre><code>&lt;VirtualHost *:80&gt; ServerName www.oursite.com ProxyPass / ajp://tomcat.oursite.com:8009/www retry=5 ProxyPassReverse / ajp://tomcat.oursite.com:8009/www &lt;/VirtualHost&gt; &lt;VirtualHost *:80&gt; ServerName test.oursite.com ProxyPass / ajp://tomcat.oursite.com:8010/test retry=5 ProxyPassReverse / ajp://tomcat.oursite:8010/test &lt;/VirtualHost&gt; </code></pre> <p>In the above configuration, you need to configure DNS entries of both www.yoursite.com and test.yoursite.com to point to the same host. It also assume you run both your <em>www</em> and <em>test</em> webapps on different tomcat instances on the same host tomcat.oursite.com, one on ajp port 8009 and the other one on ajp port 8010. You can also change it to a different server of its own. It's very flexible. FYI, following is how to configure ajp in tomcat: <a href="http://tomcat.apache.org/tomcat-6.0-doc/config/ajp.html">http://tomcat.apache.org/tomcat-6.0-doc/config/ajp.html</a></p>
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    1. POGuide to setting up Apache2 with multiple distinct Tomcat 7 instances
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    1. COThis looks exactly like what I am looking for. Will try it tomorrow and accept if works. THANKS!
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      1. USNico Huysamen
    2. COI will accept this answer, since most of it was usefull. Did not work completely however.
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    3. COWhich part didn't work for you? If you post the specifics, I will be glad to help.
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