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From "Carl" <>
Subject Re: Tomcat dies suddenly
Date Fri, 12 Feb 2010 16:43:29 GMT

Thanks for taking the time to give this some thought.

1.  There is no place in the code that we intentionally put an exit().  I 
have grepped for exit() and found nothing.  The system stops in a different 
place every time... the last entry in catalina.out has never been the same 
(over 15-20 failures.)

2.  No, we do not share jars or classes... our thought was this was a 
potential for screwups and not really gaining anything.

3.  Good idea... I will try this.



----- Original Message ----- 
From: "Jeffrey Janner" <>
To: "Tomcat Users List" <>
Sent: Friday, February 12, 2010 10:31 AM
Subject: RE: Tomcat dies suddenly

> I've been following this thread with interest, but haven't weighed in 
> since I'm doing much development these days.  I have to say that I'm 
> agreeing with Chuck and Chris that it is a resource issue - especially 
> since it doesn't appear to be a problem unless under load.  Also, the OOP 
> mentioned that it doesn't seem to occur if only the production app is 
> being hit.  It takes someone using one of the other copies first to 
> generate the problem.
> So the questions occur:
> 1) Are you absolutely positive that there is no code that could be calling 
> exit()?
> 2) Are you sharing jar files or classes between the apps?  If so, place a 
> separate copy in the WEB-INF/lib directory of each webapp, and remove them 
> from the "shared" location, to insure that you're not having an issue with 
> one app stomping on another.  The combined load on a resource in a shared 
> class could be overloading some built-in limit, and that class could be 
> causing the fail without logging an error, or you're not catching the 
> error to log it.
> 3) You have the disk space, try turning on "debug level" in all your 
> logging utilities and see what the apps were last doing.
> Jeff
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