Tomcat won't shut down while there are non-daemon threads running. Make sure all the threads you start are daemon threads or monitor the shutdown and end them. Be especially careful of JDBC connections. Make sure the connections are closed.

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of James Lampert
Sent: Tuesday, November 27, 2012 11:42 AM
To: Java Programming on and around the iSeries / AS400
Subject: Tomcat's doesn't. At least not reliably. (7.0.25) -- Anybody know how to get a thread dump of a job?

About an hour ago, I posed this question to the Tomcat list (at

Running Tomcat on various AS/400s (V6R1 or later OS), we've found that doesn't reliably shut down the server, and we frequently
have to shut it down forcibly (i.e., finding CATALINA on a WRKACTJOB,
and giving it a "4" with "OPTION(*IMMED)").

Port 8009 does appear to be open before we call, and it
does appear to be closed after we call it.

Or where I should look for indications of what it could be?

On the Tomcat list, Chuck Caldarale suggested:
Can you take a thread dump of the Tomcat process after has
been used?

Unfortunately, the link he gave me doesn't say anything about how to get a thread dump on an AS/400.


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