kill -SIGHUP or kill -3 should dump a stack trace into catalina.out. A profiler should also tell you what the threads are up to.
Ta Matt -----Original Message----- From: Steffen Heil [mailto:[EMAIL PROTECTED] Sent: 15 November 2004 13:42 To: 'Tomcat Users List' Subject: Analysing dead threads Hi I have a situation, where a lot of threads seem to stop working right in my servlet. >From debug output, I know they entered the servlet but never leave it. My problem is that this never occurs on our development system, but only on the production system. I need to stop tomcat end even do a "killall -9 java" to get everything to stop. Then I restart tomcat. But I don't know what happened. I know there is a way to kill the JVM, so that I see the stack trace of kill threads. How can I do it? (Is there another way to see what those threads are waiting for?) Regards, Steffen
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