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From <qab...@cox.net>
Subject Re: Re: Tomcat stability under hpux 11.00 64 bit.
Date Thu, 01 Jan 1970 00:00:00 GMT
We've tried both the 1.3 and 1.4 JVM's with the exact same behaviour.  The os patches are up
to date and I'm trying the interpreted mode right now to see how things start looking.  How
do I get a stack trace out of tomcat?

Thanks
Allen
> 
> From: Tim Funk <funkman@joedog.org>
> Date: 2003/06/06 Fri AM 07:10:33 EDT
> To: Tomcat Users List <tomcat-user@jakarta.apache.org>
> Subject: Re: Tomcat stability under hpux 11.00 64 bit.
> 
> As with any OS ...
> - Make sure your have the right patches for the OS.
> - Try both 1.3, and 1.4 JVM's. In the past, it took forever to HP to deliver 
> and stable 1.2, 1.3 JVM. (forever is relative to our project consistently 
> barfing in the lab)
> - Stack trace. When things hang, get stack traces. Get stack traces from 
> different freezes. Compare and look for "fishy" threads. Also compare the 
> Stacktraces to normal stacktraces.
> - Does using only interpreted mode do anything? ( -Xint )
> - Did you check the JVM release notes from HP?
> 
> 
> 
> - Tim
> 
> qaball@cox.net wrote:
> > From:   <qaball@cox.net>  
> > Date:   2003/06/05 Thu PM 05:49:17 EDT 
> > To:   tomcat_user_help@jakarta.apache.org 
> > Subject:   Instability under HP-UX 11.00 64bit 
> >  
> > Hello all.
> > 
> > I'm having some stability issues while running tomcat 4.4.18 under hpux 64 
> > bit.  The tomcat server starts up just fine and serves out for a few hours then

> > hangs.  When it hangs, there are no messages written to the log files and the 
> > timouts on the pages cease to work either.  From the unix side, the process 
> > looks just fine.  As is the norm under hpux we have to do a kill -9 and then 
> > restart the app.  By adjsuting the memory to the jvm using the setenv.sh script

> > I have made the adjustments below:
> > 
> > CATALINA_OPTS="-XdoCloseWithReadPending -Xms256m -Xmn100m -Xmx256m -Xverbosegc:
> > file=/opt/hpws/tomcat/logs/gc.out"
> > 
> > Can anybody help me figure out what the next place to look is?  We're using 
> > tomcat both as a standalone and with apache 2.0.43 and both are from the HP Web

> > Services depot installs.  The same behaviour seems to happen with fresh 
> > downloads of tomcat from the jakarta project as well though.
> > 
> > Thanks
> > Allen
> >  
> 
> 
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