I'm beginning to wonder if what I'm trying to do Just Doesn't Make
Sense. After banging my head on this for 2 weeks, I'm asking the hive
mind for help.
I have an Apache Tomcat-based application that runs on as the only app
on a particular Tomcat server. Each server services an individual
client. When I have a new client, I spin a new server (this is actually
in EC2, so this is very easy to do).
The tomcat application runs on the 'middle tier', and is fronted by an
Apache HTTP server that has a single exposed IP, and proxies connections
back to the appserver.
So far so good.
The problem is I want to have subdirectories within the initial URL map
to different back end servers. IE:
http://FOO.com/a/ <-- goes to server 'app01'
http://FOO.com/b/ <-- goes to server 'app02'
And so on. The problem is I can't figure out what magic incantations to
put in httpd.conf to make this work. Note that I have working vhosts
answering subdomain requests, and proxying back correctly - like this one:
<VirtualHost *:80>
ServerName m.FOO.com
ProxyPreserveHost On
ProxyPass / ajp://10.211.42.48:8009/
ProxyPassReverse / ajp://10.211.42.48:8009/
</VirtualHost>
But I'm trying to change this so FOO.com/something/ goes somewhere
different than FOO.com/somethingelse/
Here's what I have now, and it's not working correctly.
<VirtualHost *:80>
ServerName www.FOO.com
ServerAlias FOO.com
ProxyRequests Off
# Working, live production host:
ProxyPass /a/ ajp://10.211.42.48:8009/
ProxyPassReverse /a/ http://FOO.com/
# app test host
ProxyPass /c/ ajp://10.122.95.146:8009/
ProxyPassReverse /c/ http://FOO.com/
</VirtualHost>
The first Proxy configuration is working correctly. Requests coming
into /a/ go to the server on 10.211.42.48. No worries. But hitting the
second address will end me back up at /a/ - I'm guessing because there
are essentially two ProxyPassReverse's for the same url (http://FOO.com).
Is this configuration even possible using ProxyPass and
ProxyPassReverse? Should I reconfigure this to use mod_rewrite and use
[P] rules? An initial stab at that failed, but if that's where I should
go I'll use it.
Help please?
--
Dave Shevett
shev...@pobox.com
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