Tomcat hangs 2004-01-07 - By Shapira, Yoav
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Howdy,
Look at your logs for errors, including OutOfMemoryErrors. Determine
what is the maximum expected load your application needs to handle, and
then determine the memory your application requires in order to handle
that load with acceptable response times. Create test scripts to stress
test your application up to the maximum expected load. Profile and tune
your application and your server until you can handle the load in a
satisfactory manner.
If this seems like a generic answer, that's because it is, as is your
question. This has been discussed many many times on this list in the
past: you can search the archives for more details.
Yoav Shapira
Millennium ChemInformatics
>-- --Original Message-- --
>From: Mindaugas Genutis [mailto:mindaugas@(protected)]
>Sent: Wednesday, January 07, 2004 3:49 AM
>To: tomcat-user@(protected)
>Subject: Tomcat hangs
>
>
>Hello,
>
>Our Tomcat hangs once in a few days. When the load is larger, sometimes
it
>hangs even a few times a day.
>
>Our system configuration is:
>
>Tomcat 4.1.24
>JVM 1.4.2
>Linux Redhat 2 GB RAM
>
>We have deployed a big JSP application on our Tomcat. Mostly it does
>database (MySQL) / XML processing. When Tomcat hangs, we can't stop it
>with the stop script. We need to 'kill' or even 'kill - 9' it.
>
>Can someone please suggest where should I start the research. Look for
>bugs in the JSPs, configure memory usage etc?
>
>Thanks,
>
>--
>Kaunas Regional Distance Education Center
>Programmer
>Phone: +370 674 05232
>WWW: http://distance.ktu.lt
>
>
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