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From: Jim Jagielski <jim@jaguNET.com>
Subject: Re: [Fwd: Re: Apache 2.2.3 mod_proxy issue]
Date: Thu, 16 Nov 2006 11:03:27 -0500
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On Oct 31, 2006, at 9:58 AM, Jess Holle wrote:

> Jim Jagielski wrote:
>>>>
>>>> Sounds good.
>>>>
>>>> On a related note, our practice with mod_jk is to route only *.jsp,
>>>> /servlet/*, and a few other URL patterns to Tomcat and let  
>>>> Apache handle
>>>> everything else.  We also want to support load balancing with  
>>>> sticky
>>>> sessions, of course.
>>>>
>>>> That combination is pretty easy and straightforward with  
>>>> mod_jk.  It has
>>>> been *baffling* with mod_proxy_ajp.  Perhaps we just haven't  
>>>> spent long
>>>> enough on mod_rewrite, etc, but so far we're not getting  
>>>> anywhere...
>>> How about
>>>
>>> RewriteEngine On
>>> RewriteRule ^(.*\.jsp|/servlet/.*)$ balancer://mycluster$1 [P]
>>>
>>> <Proxy balancer://mycluster>
>>> ProxySet stickysession=JSESSIONID nofailover=On
>>> BalancerMember ajp://1.2.3.4:8009 route=tomcat1 max=10
>>> BalancerMember ajp://1.2.3.5:8010 route=tomcat2 max=10
>>> </Proxy>
>>
>> Seems to be that we should simply make ProxyPass more
>> pattern aware... We don't need a full regex for 95% of
>> the cases, and so we'd have a nice faster impl.
>>
>> Needing to switch to (and load in) mod_rewrite for something
>> that the proxy module should do itself seems backwards :)
> Agreed.
>> By the way, ProxyPass /servlet/ balancer://mycluster
>> does the 2nd part of what you want, it's just the
>> '*.jsp' stuff we're missing... So basically,
>> ProxyPass more JkMount-like...
> Gotcha.
>

By the way, I've really looked at this and it isn't
required really to make ProxyPass more regex like
since we can leverage Location to do that.