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MQSeries.net Forum IndexIBM MQ Installation/Configuration SupportAMQ7310 - rc2048 with MQ8 client

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Catherine Lynch
PostPosted: Thu Jan 02, 2020 6:30 am Post subject: AMQ7310 - rc2048 with MQ8 client Reply with quote

Newbie

Joined: 28 Oct 2019
Posts: 2

------------------------------
A C code program (written in 2003) was utilizing MQv7.0.1.6 (linux server) successfully with the MQ7 Clientlibraries.
The program moved to a Linux Rel7 machine with the MQ8 client installed
So it connects successfully, writes successfully but then fails.
It is attempting to reply from a MQv8000006 linux server and is failing on writing to the temp dynamic reply queue.
There are no channels utilized
Nothing is written to the dead letter queue either and this is the log error:
-------------------------------
AMQ7310: Report message could not be put on a reply-to queue.

EXPLANATION:
The attempt to put a report message on queue
QRM.ITE_CT.REPLYTOQ.5DE937AA25028AED on queue manager PWD01 failed with reason
code 2048. The message will be put on the dead-letter queue.
ACTION:
Ensure that the reply-to queue is available and operational.
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exerk
PostPosted: Thu Jan 02, 2020 7:23 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6206

Would you please clarify what you mean by "...There are no channels utilized..." ?

Was any regression testing done with the application?
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bruce2359
PostPosted: Thu Jan 02, 2020 9:26 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8809
Location: US: west coast, almost. Otherwise, enroute.

Please clarify what you mean by "The program moved..."

Was the app reconpiled? Re-bound with the newer MQClient libraries? None of these?

Did the queue objects also move from the old environment to new?

r/c 2048 indicates that the app is attempting to MQPUT a persistent reply to a temp-dynamic queue - not allowed. This should have failed as well in the old environment. What QModel does the app MQOPEN/MQPUT1? Post both the old and new definitions of the QModel here.
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rnikula
PostPosted: Wed Jan 15, 2020 1:17 pm Post subject: Check model queue being used Reply with quote

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Joined: 30 Nov 2010
Posts: 2

If the error happens trying to write to a temporary dynamic queue, that would imply that the persistence is set. If it used to work, the application likely is not setting it, but rather letting it default. In this case, the persistence would come from the model queue used. If it is not using its own, that would be SYSTEM.DEFAULT.MODEL.QUEUE so check that on the new queue manager that is not defined as DEFPSIST(YES)
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bruce2359
PostPosted: Wed Jan 15, 2020 3:07 pm Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8809
Location: US: west coast, almost. Otherwise, enroute.

Thus, my previous question
bruce2359 wrote:
Did the queue objects also move from the old environment to new?

Recommended (best?) practice is for apps to NOT refer to SYSTEM. objects.
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