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From Jim Jagielski <...@jaguNET.com>
Subject Re: [users@httpd] Re: High volume issues using mod_proxy (balancer,http,ajp) on Apache 2.2.4 across multiple tomcat 5.5.23 clusters - Configuration issues or bugs?
Date Wed, 23 May 2007 19:27:16 GMT

On May 23, 2007, at 2:49 PM, justin wright wrote:

> I've set the apache confs to use the following
>
>     StartServers         512
>     ServerLimit          1024
>     MaxClients           1024
>     MinSpareServers      256
>     MaxSpareServers      512
>     MaxRequestsPerChild  100000
>
>
> I reran the test with a smaller load (350 users as opposed to  
> 1250).  It didn't hit the server limit but I still get this error:
>
> [Wed May 23 07:30:54 2007] [error] (70014)End of file found:  
> ajp_ilink_receive() can't receive header
> [Wed May 23 07:30:54 2007] [error] ajp_read_header:  
> ajp_ilink_receive failed
> [Wed May 23 07:30:54 2007] [error] (120006)APR does not understand  
> this error code: proxy: read response failed from (null)  
> (xxx.xxx.xxx.xxx)
>
>

That means that when ajp_ilink_receive() (actually ilink_read())
tried to read from the AJP socket, it rec'd an error.
Could be a network issue. Could be not enough workers on
the Tomcat side.


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