Re: 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?

Jim Jagielski <jim@xxxxxxxxxxx> · Wed, 23 May 2007 15:27:16 -0400

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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