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From Oscar Carrillo <>
Subject Re: Worrying problem
Date Thu, 20 Nov 2003 17:57:14 GMT
You didn't state what Linux distribution or tomcat, or java version. Do
you use apache in front of tomcat?

Do you have the latest packages for your Linux distribution? In 
particular, nptl, gcc, kernel packages.

Have you tried the old threading model by setting it in your startup



On Thu, 20 Nov 2003, Walter do Valle wrote:

> >>Sometimes it opens many threads and the command "tomcat4 stop" does nost
> >>stop all threads.
> >>I need to kill one by one. Why?
> >When you say sometimes, what do you mean exactly?  Can you reproduce it
> >in a test case?
> 2 -3 times by day. I don't know exactly what is causing the problem.
> I can't reproduce that.
> >Is there a correlation between high load on your system
> >and a high number of threads?  There should be.
> CPU was 70% free.
> >By how much does the
> >number of threads exceed your maxProcessors as configured in server.xml?
> In server.xml maxProcessors="75" for but there is about 90 threads in the
> system (ps -ef).
> >The tomcat shutdown script (I don't know what tomcat4 stop is) will shut
> >down the tomcat engine itself.
> It's equivalent to stop. I never use
> >If your app or code used by your app
> >starts non-daemon threads, you are responsible for closing them
> >yourself.  Tomcat cannot do that for you.  These threads will prevent a
> >proper shutdown.  This has been discussed many times on this list in the
> >past.
> I don't create any threads.
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