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MQSeries.net Forum IndexGeneral IBM MQ Supportamqzxma0 does not stop

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MABeatty1978
PostPosted: Thu May 25, 2017 5:18 am Post subject: amqzxma0 does not stop Reply with quote

Acolyte

Joined: 17 Jul 2014
Posts: 52

I have a queue manager that was stopped via endmqm -w, the queue manager is not stopping. Looking at the process table, it appears that the reason is because "amqzxma0" is not stopping. I can see that process has several child process that are also still there.

There should be nothing connected to MQ, all other applications that would be using it are not running. Does anyone have any advice to help me figure out why this process won't stop?
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Vitor
PostPosted: Thu May 25, 2017 6:32 am Post subject: Re: amqzxma0 does not stop Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 24614
Location: Ohio, USA

MABeatty1978 wrote:
Does anyone have any advice to help me figure out why this process won't stop?


One of the applications didn't disconnect cleanly
One of the MQ processes didn't stop cleanly
One of the semaphores / memory segments MQ uses is hung up.

Work your way up through endmqm -i through endmqm -p through the instructions on the safe use of kill -9 for MQ processes (as laid out in the MQ documentation). Look for log messages about what had to be aborted to make this commands work.
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MABeatty1978
PostPosted: Thu May 25, 2017 6:59 am Post subject: Re: amqzxma0 does not stop Reply with quote

Acolyte

Joined: 17 Jul 2014
Posts: 52

Vitor wrote:
MABeatty1978 wrote:
Does anyone have any advice to help me figure out why this process won't stop?


One of the applications didn't disconnect cleanly
One of the MQ processes didn't stop cleanly
One of the semaphores / memory segments MQ uses is hung up.

Work your way up through endmqm -i through endmqm -p through the instructions on the safe use of kill -9 for MQ processes (as laid out in the MQ documentation). Look for log messages about what had to be aborted to make this commands work.


This has been a reoccuring problem, though its rare. I have been going through the kill -9 process up to this point to resolve, but I was hoping to find the root of what was causing it all to hang in the first place.
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PaulClarke
PostPosted: Thu May 25, 2017 7:47 am Post subject: Reply with quote

Sentinel

Joined: 17 Nov 2005
Posts: 861
Location: New Zealand

Can you try something like
Code:
dspmq -m MYQM -c

to see what processes are still connected to your Queue Manager and may be preventing it from coming down ?

Cheers,
Paul.
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MQGem Software
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