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From foo shyn <foos...@optegra.com.my>
Subject Re: Tomcat hangs, what to do to diagnose the problem?
Date Fri, 28 Sep 2007 03:43:08 GMT
Hi,

Sorry if i'd hijacked this thread, just wonder is the JMX package 
bundled together with Tomcat 4.1 as well? or it's only available to 
Tomcat 5.0 onwards?

Thanx
FooShyn

Caldarale, Charles R wrote:
>> From: Wm.A.Stafford [mailto:stafford@marine.rutgers.edu] 
>> Subject: Tomcat hangs, what to do to diagnose the problem?
>>
>> Can anyone suggest diagnostics to tell what is going on? 
>>     
>
> Try the usual: 
>
> 1) enable JMX monitoring (-Dcom.sun.management.jmxremote) and look at
> the JVM with JConsole, especially at the heap and PermGen usage
>
> 2) get a thread dump (kill -3) and see where everybody is stuck
>
>  - Chuck
>
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