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From André Warnier ...@ice-sa.com>
Subject Re: Connection reset issue in Tomcat
Date Thu, 24 Apr 2014 06:53:57 GMT
Gangumolu, Maruti wrote:
> Hi,
> 
> I'm seeing continuously  this error in tomcat's log file while performing load test.
Could somebody help me why we get this error.
> 
> From Apahce:-
> 
> Apr 23, 2014 2:48:54 PM org.apache.jk.common.ChannelSocket processConnection
> WARNING: processCallbacks status 2
> Apr 23, 2014 2:49:02 PM org.apache.jk.core.MsgContext action
> WARNING: Unable to send headers
> java.net.SocketException: Connection reset
>         at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
>         at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
>         at org.apache.jk.common.ChannelSocket.send(ChannelSocket.java:539)
>         at org.apache.jk.common.JkInputStream.appendHead(JkInputStream.java:324)
>         at org.apache.jk.core.MsgContext.action(MsgContext.java:266)
>         at org.apache.coyote.Response.action(Response.java:183)
>         at org.apache.coyote.Response.sendHeaders(Response.java:379)
>         at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:314)
>         at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:296)
>         at org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.j
> 
> 
> 
> From MOD_JK :-
> 
> connecting to tomcat failed.
> [Wed Apr 23 05:02:40 2014] [2626:47733776613760] [info] service::jk_lb_worker.c (1478):
service failed, worker e2edash2 is in error state
> [Wed Apr 23 05:02:40 2014] [2626:47733776613760] [info] service::jk_lb_worker.c (1558):
All tomcat instances are busy or in error state
> [Wed Apr 23 05:02:40 2014] [2626:47733776613760] [error] service::jk_lb_worker.c (1563):
All tomcat instances failed, no more workers left
> 
> 

In the absence of any useful information, I will make an equally wild guess : you are 
overwhelming your system with your load test.
Reduce the load, or buy a bigger machine.

If you would like better guesses, provide more information about your load test, your 
machine, it's OS, the versions of the various pieces which you are using, how many 
resources you allocate to each, and so on.  We have no crystal ball here.

P.S. Even the log messages which you are providing above, show more than 2 hours between 
them. Are you kidding us ?


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