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Date: Tue, 27 Nov 2007 16:09:52 +0200
From: Peter Stavrinides <p.stavrinides@albourne.com>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Tomcat 5.5, Apache 2.0.XX and mod_proxy
References: <13970134.post@talk.nabble.com>
In-Reply-To: <13970134.post@talk.nabble.com>
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Thats because your configuration is incomplete, in order for Apache to 
pass the cookie to the correct context you need to do some additional 
configuration (or alternatively use a connector like mod_jk)

You may need to configure the jvmRoute parameter in server.xml, this 
allows Apache to map to the correct Tomcat context, otherwise deploy 
your web app in the Tomcat root context.

<Connector port="8082"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false"
               acceptCount="100" debug="0" connectionTimeout="20000"
               proxyPort="80" disableUploadTimeout="true" 
	       jvmRoute=T1/>


You also need to add a server mapping in Apache, one way to do this 
easily is with a RewriteMap. (If you use Apache 2.2 then you could use 
the in-built mod_proxy_balancer module). I also use Apache 2.0 so I just 
make a static mapping, which looks something like this:


RewriteMap SERVERS rnd:/etc/apache2/servers.conf

--------------
servers.conf
--------------
T1  tomcat.server.com:8081
ALL   tomcat.server.com:8081 


#configure more instances for load balancing if you wish

Peter



mip wrote:
> I'm trying to proxy my Tomcat web application through Apache 2.0 using
> mod_proxy.
>
> I have uncommented the following in my server.xml:
>
> <!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
>     <!-- See proxy documentation for more information about using this. -->
>     <Connector port="8082"
>                maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
>                enableLookups="false"
>                acceptCount="100" debug="0" connectionTimeout="20000"
>                proxyPort="80" disableUploadTimeout="true" />
>
> and I've added the following to my httpd.conf:
>
>       <VirtualHost *:80>
>               ServerName foo.bar.com
>               ProxyPass  /  http://foobar.com:8082/app/
>               ProxyPassReverse  /  http://foobar.com:8082/app/
>       </VirtualHost>
>
> The pages are being passed without any problems but the sessions are being
> lost as cookies are not being passed. I'm guessing I need to add something
> to the above stanza which rewrite the cookies. But what?
>   


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