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From Mick Knutson <mknut...@baselogic.com>
Subject Re: Tomcat current thread count
Date Fri, 25 Jun 2010 14:41:24 GMT
Can you run jvisualvm.exe against it?

---
Thank You…

Mick Knutson, President

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On Fri, Jun 25, 2010 at 10:31 AM, Ozgur Ozdemircili <
ozgur.ozdemircili@gmail.com> wrote:

> Hi,
>
> My system consists of:
>
> Rhel 5.3
> Tomcat v 6.0.26
> Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
>
> I do not see anything else in the catalina.out or any other log file apart
> from the one I have posted before.
> What would be the possible ways of finding where the problem lies ?
>
> Thanks
>
> Özgür Özdemircili
> http://www.acikkod.org
> Code so clean you could eat off it
>
>
>
>
> On Fri, Jun 25, 2010 at 3:58 PM, Caldarale, Charles R <
> Chuck.Caldarale@unisys.com> wrote:
>
> > > From: Ozgur Ozdemircili [mailto:ozgur.ozdemircili@gmail.com]
> > > Subject: Re: Tomcat current thread count
> > >
> > > Im actually using Javamelody to monitor the apps.
> > >
> > > Yet still nothing. Any ideas ?
> >
> > Looks like you have two separate problems.  The first is that your
> > Tomcat-configured threads get stuck somewhere, so Tomcat keeps creating
> more
> > until it hits the specified limit.  Looking at a thread dump should show
> you
> > where they are stuck so you can fix your webapp (or database) and correct
> > that issue.
> >
> > The second problem is that the JVM blew up, possibly due to your webapp
> > creating even more threads outside of the control of Tomcat, or perhaps
> > eating up some other resource that provokes an out of memory condition.
> >  Again, a thread dump before the JVM dies should give you an idea of
> what's
> > going on.  All indications are that you have a poorly implemented webapp
> > that's not managing resources properly.
> >
> > Also, you should always provide the exact Tomcat version you're using,
> and
> > the platform you're running on.  The only version information you
> provided
> > (and that by accident) is the JVM level.
> >
> >  - Chuck
> >
> >
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