If you are running JBoss as a Windows Service it can be difficult to generate a Thread Dump.

You can get a Thread Dump using the JMXConsole.  Here is how to do it.  However, this will only give you a full dump if you are using JDK 1.5. The JMX console method isn't applicable for AS7 since AS7 doesn't ship the jmx-console web application.

Others have reported success using a utility called SendSignal. The thread dump will be written to wrapper.log when using the JavaService Wrapper by Tanuki.

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