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From "Shapira, Yoav" <Yoav.Shap...@mpi.com>
Subject RE: Tomcat Crush
Date Tue, 01 Apr 2003 16:28:50 GMT

Howdy,
Perhaps it is worth your time to try a different connector.  But I think
it's more worth your time to be able to reproduce this consistently.
Have you searched Bugzilla for related bugs?

Yoav Shapira
Millennium ChemInformatics


>-----Original Message-----
>From: Gregory Rouchotas [mailto:greg.rouchotas@civiccomputing.com]
>Sent: Tuesday, April 01, 2003 11:13 AM
>To: 'Tomcat Users List'
>Subject: RE: Tomcat Crush
>
>I agree with all this but the end result is that for some reason the
>Tomcat process dies after a certain amount of time that these
exceptions
>happen. Give that as you say it looks like the connector is causing
this
>what can I do to stop it from happening? Could it be the version of the
>connector? If not what else might it be?
>
>Thanks
>
>Greg
>
>-----Original Message-----
>From: Shapira, Yoav [mailto:Yoav.Shapira@mpi.com]
>Sent: 01 April 2003 17:06
>To: Tomcat Users List
>Subject: RE: Tomcat Crush
>
>
>Howdy,
>As you can see from the stack trace, the exception is from the AJP
>connector, not from tomcat internally.  I also wouldn't qualify this as
>a tomcat crash (and certainly not as a crush ;)) because the JVM
doesn't
>stop and the server responds to further requests.
>
>Until you can reliably reproduce this, you're not likely to be able to
>stop it...
>
>Yoav Shapira
>Millennium ChemInformatics
>
>
>>-----Original Message-----
>>From: Gregory Rouchotas [mailto:greg.rouchotas@civiccomputing.com]
>>Sent: Tuesday, April 01, 2003 10:46 AM
>>To: 'Tomcat Users List'
>>Subject: RE: Tomcat Crush
>>
>>I don't think so. I have monitored the Catalina_log while stopping the
>>request of completely closing the window but the exception did not
>>appear.
>>If it is that is there anything I can do to prevent tomcat from
>>crushing?
>>Could it be something else?
>>
>>Thanks
>>
>>Greg
>>
>>
>>-----Original Message-----
>>From: Shapira, Yoav [mailto:Yoav.Shapira@mpi.com]
>>Sent: 01 April 2003 15:35
>>To: Tomcat Users List
>>Subject: RE: Tomcat Crush
>>
>>
>>Howdy,
>>There's always a specific reason ;)  It's hardly ever obvious,
>>unfortunately.
>>
>>In this case, could it be because the client closes the browser or
goes
>>to another web page while the request to your site is processing?
>>
>>
>>Yoav Shapira
>>Millennium ChemInformatics
>>
>>
>>>-----Original Message-----
>>>From: Gregory Rouchotas [mailto:greg.rouchotas@civiccomputing.com]
>>>Sent: Tuesday, April 01, 2003 8:24 AM
>>>To: tomcat-user@jakarta.apache.org
>>>Subject: Tomcat Crush
>>>
>>>Hello all,
>>>I am running tomcat 4.0.4 on solaris8.
>>>
>>>I get a very strange problem where with no specific reason tomcat
>>>produces the following error
>>>In the Catalina_log:
>>>
>>>2003-04-01 19:12:54 Ajp13Processor[8009][9] process: invoke
>>>java.net.SocketException: Socket closed
>>>        at java.net.SocketOutputStream.socketWrite0(Native Method)
>>>        at
>>>java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
>>>        at
>>>java.net.SocketOutputStream.write(SocketOutputStream.java:126)
>>>        at org.apache.ajp.Ajp13.send(Ajp13.java:525)
>>>        at
>>org.apache.ajp.RequestHandler.finish(RequestHandler.java:495)
>>>        at org.apache.ajp.Ajp13.finish(Ajp13.java:395)
>>>        at
>>>org.apache.ajp.tomcat4.Ajp13Response.finishResponse(Ajp13Response.jav
a
>:
>>1
>>>96)
>>>        at
>>>org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:464
)
>>>        at
>>>org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:551)
>>>        at java.lang.Thread.run(Thread.java:536)
>>>
>>>This continues for sometime. The system has about 300 concurrent
users
>>>at any given time.
>>>The after about 8 hours tomcat will crush.
>>>
>>>Any ideas what might be causing this.
>>>Thanks in advance,
>>>
>>>Greg
>>
>>
>>
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>
>
>
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