If your tomcat is using the JDK provided by IBM i, the micros "jvminfo"
and "processinfo" in the STRSST can help you generate a thread dump for
your tomcat job.

Best regards.

Gavin, Zhang Gan
IBM i J9 Dev, http://www.ibm.com/developerworks/ibmi/techupdates/java
Email: zhanggan@xxxxxxxxxx
Phone: +86-10-82452719
Address: 1/F, 28, ZhongGuanCun Software Park, No.8 Dong Bei Wang West
Road, Haidian District, Beijing P.R.China 100193

James Lampert <jamesl@xxxxxxxxxxxxxxxxx>
Sent by: java400-l-bounces@xxxxxxxxxxxx
11/28/2012 01:42 AM
Please respond to
Java Programming on and around the IBM i <java400-l@xxxxxxxxxxxx>

Java Programming on and around the iSeries / AS400

Tomcat's Shutdown.sh 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 shutdown.sh 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 shutdown.sh, 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 shutdown.sh
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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