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| Triggers being put to the dead letter queue |
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| fjb_saper |
 Posted: Mon May 03, 2004 12:12 pm Post subject: Triggers being put to the dead letter queue |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Hi,
Maybe you have encountered this. My environment is aix mq 5.3 CSD06.
I have defined a triggered java process to service a specific queue. The qmgr trigger interval is set to 300,000 = 5 minutes. The queue is triggering at first. I am using receiver.receiveNoWait() in JMS to service the queue. The queue is fed by a remote queue manager on a different machine.
In some cases I find trigger messages in the dead letter queue with reason code 265 (could not start appl.) but my queue is serviced and empty. I have not been able to reproduce the circumstances in which this is happening.
The java process is started by a unix script that puts the java process in the background.
Anybody an idea and or a way to fix it?
Thanks
F.J. |
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| tej |
| Posted: Mon May 03, 2004 4:46 pm Post subject: |
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Novice
Joined: 18 Nov 2002
Posts: 20
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| can u pls chk if the variable AMQ_SIGCHLD_SIGACTION is set or not. If not try to setup as an environment variable, so that it will be applicable for all the trm's |
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| fjb_saper |
| Posted: Tue May 04, 2004 6:19 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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What value would I need for this variable ?
What effect is it supposed to have ?
I have already set:
# for after CSD06
export JAVA_COMPILER=NONE
#needed before CSD06
export AMQ_NO_SIGWAIT_SIGTRAP=1
Thanks
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| fjb_saper |
| Posted: Sat Jun 12, 2004 5:44 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Setting
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| export AMQ_SIGCHLD_SIGACTION=YES |
(value given by ibm support )
Seems to do the trick.
Thanks
F.J.  |
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