Nils,
Thanks very much for your help.
I have made some progress - but still do not have a solution. My snippet
from httpd.conf on the Proxy Server (192.168.121.214) is:
NameVirtualHost 192.168.121.214:8080
<VirtualHost 192.168.121.214:8080>
ServerName test1
ProxyPreserveHost On
ProxyPass /testcase1/app http://192.168.122.184/app
ProxyPassReverse /testcase1/app http://192.168.122.184/app
ProxyHTMLURLMap http://192.168.122.184/app /testcase1/app
ProxyPass /testcase2/app http://192.168.122.247/app
ProxyPassReverse /testcase2/app http://192.168.122.247/app
ProxyHTMLURLMap http://192.168.122.247/app /testcase2/app
ErrorLog c:/temp/test-error.log
</VirtualHost>
My goal is the following:
Browser sends requests to the following to the proxy. (I have my DNS set
to resolve test1 to 192.168.121.214)
Request-1:
http://test1:8080/testcase1/app
Request-2:
http://test1:8080/testcase2/app
I want the Proxy Server (192.168.121.214:8080) to route:
Request-1 to: http://192.168.122.184/app
Request-2 to: http://192.168.122.247/app
It doesn't work - produces a 404 Not Found error and the Proxy Server
has the following in its access.log.
192.168.12.127 - - [20/Mar/2008:16:00:28 -0700] "GET /testcase1/app
HTTP/1.0" 302 -
192.168.12.127 - - [20/Mar/2008:16:00:28 -0700] "GET /app/ HTTP/1.0" 404
202
192.168.12.127 - - [20/Mar/2008:16:15:31 -0700] "GET /testcase2/app
HTTP/1.0" 302 -
192.168.12.127 - - [20/Mar/2008:16:15:31 -0700] "GET /app/ HTTP/1.0" 404
202
On the other hand, if I create two separate VirtualHosts such as the
following.
NameVirtualHost 192.168.121.214:8080
<VirtualHost 192.168.121.214:8080>
ServerName test1
ProxyPreserveHost On
ProxyPass /app http://192.168.122.184/app
ProxyPassReverse /app http://192.168.122.184/app
ProxyHTMLURLMap http://192.168.122.184/app /app
ErrorLog c:/temp/test1-error.log
</VirtualHost>
<VirtualHost 192.168.121.214:8080>
ServerName test2
ProxyPreserveHost On
ProxyPass /app http://192.168.122.247/app
ProxyPassReverse /app http://192.168.122.247/app
ProxyHTMLURLMap http://192.168.122.247/app /app
ErrorLog c:/temp/test2-error.log
</VirtualHost>
Now, if I have DNS resolve both test1 and test2 to the same Proxy IP
Address (192.168.121.214), and issue http://test1:8080/app, or
http://test2:8080/app, everything works fine and the requests go to the
right Origin Servers. For success case, the Access Log has:
192.168.12.127 - - [20/Mar/2008:12:58:15 -0700] "GET /app HTTP/1.1" 302
-
192.168.12.127 - - [20/Mar/2008:12:58:15 -0700] "GET
/app/goToUserHome.do HTTP/1.1" 200 36175
Note that there is an additional JavaScript, in the response from the
Origin Server in both cases - 'wget http://192.168.122.184/app' on the
proxy produces the following HTML.
<html>
<head>
<title>Go To Home Page</title>
<script language="JavaScript1.2">
function goToHomePage() {
location.replace("/app/goToUserHome.do");
}
</script>
</head>
<body onLoad="goToHomePage()">
</body>
</html>
For some reason, when I have two VirtualHosts, the JavaScript is
properly recognized and re-issued by the Proxy. If I have one
VirtualHost with two separate path-based ProxyPass, the above GET
doesn't happen.
Is there something I am missing in the Proxy httpd.config? Do I need
some kind of a re-write rule?
Thanks.
-----Original Message-----
From: Nils Jeppe [mailto:nils@xxxxxxxxxxxxxx]
Sent: Thursday, March 20, 2008 12:46 AM
To: users@xxxxxxxxxxxxxxxx
Subject: Re: Apache reverse-proxy config.
On Wed, 19 Mar 2008, Venkat Rangan wrote:
> Is there anything I am missing?
Yes. Apache is not able to distinguish between your two virtualhosts,
and
thus using the first one. Use NameVirtualHost on the IP (or *) in the
main
part of your config and assign ServerName 's to each of the
virtualhosts.
I think this should solve your problem.
Best wishes,
Nils
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