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From Karel Kubat <>
Subject Re: [users@httpd] Apache, Tomcat and mod_proxy
Date Fri, 07 Dec 2007 14:19:17 GMT
Hash: SHA1


> At the Tomcat's catalina.out I found the following log:
> ...
> Dec 4, 2007 4:47:49 PM org.apache.catalina.startup.Catalina start
> INFO: Server startup in 3549 ms
> Dec 4, 2007 4:53:51 PM org.apache.jk.core.MsgContext action
> WARNING: Error sending end packet
> Broken pipe

This might indicate that your Tomcat server took too long to produce  
its answer. By the time that it started writing its response, the  
network connection was gone. This might be caused because your Apache  
proxy "hung up" already.

Check your Apache proxy for timeouts and choose a longer time. Then  
re-test. If the problem occurs with a higher load than the 50 users  
that you simulated, then you're on to something - in that case,  
Tomcat would be the bottleneck, because the processing times increase  
beyond the proxy's timeout.

Hope this helps,
    Karel Kubat / M +31 6 2956 4861 (+31 6 AWK 6 HUM 1)
    From the list of "Things You'll Never Hear A Southern Male Say":
    I'll take Shakespeare for 1000, Alex.

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