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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: http-tomcat - AJP ilink receive failed - 500/503 errors
Date Tue, 28 Sep 2010 21:25:42 GMT
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Pid,

On 9/17/2010 4:42 PM, Pid wrote:
> On 17/09/2010 16:57, Shantanu Pavgi wrote:
>>
>> Hi,
>>
>> I have a Apache http server and a Tomcat server configured using AJP connector (mod_proxy_ajp).
The http server serves HTML/PHP pages and also proxies Java webapp requests to back-end Tomcat
server. 
>> System config: 
>>  * Both servers are running as Virtual Machines
>>  * CentOS 5.4
>>  * Apache Tomcat 6.0.26 and Sun JDK 1.6
>>  * Apache http: 2.2.3 (it's old, but that's what comes with default CentOS repo)
> 
> If you really have 2.2.3 and not a 2.2.3 that's been patched
> subsequently, then you're at risk of running into bugs in mod_proxy_ajp
> that have already been patched.

+1

> 2.2.3 was the first release version containing that module and it was
> definitely buggy, so you really need to look at upgrading HTTPD before
> expending more time trying to solve the problem.

+1

Another option would be to use mod_jk, which uses the same protocol
(though wildly different configuration), and might be easier to install
than trying to get an httpd upgrade accomplished. It's also much more
well-tested and has more options for tweaking than mod_proxy_ajp (from
my limited reading).

- -chris
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