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From "Robert Graf-Waczenski" <>
Subject RE: Debugging Tomcat hangs
Date Tue, 18 Oct 2005 13:56:40 GMT
> If I generate a dump of the JVM using Ctrl-Break while 
> running Tomcat as a console app, what's the best resource for 
> interpreting this? I suspect the problem is a thread 
> deadlock, or something similar.

This tells us that you succeed in getting a JVM thread dump and
you are asking for help about how to analyze a JVM thread dump, right?

Doing this is an art. It requires that you understand thread
synchronizationm, the Java monitor concept and many other
nontrivial things.

Where are we supposed to start? (I'm not saying that this list
is not supposed to help you, but if we have to start explaining
Java synchronization and deadlocks, this would very probably
be way off this list and i'm far too lazy/busy to dig this deep...)


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