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MQSeries.net Forum Index » General IBM MQ Support » MQHEPCF Responses

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meaton78
PostPosted: Wed Sep 16, 2009 6:20 am    Post subject: MQHEPCF Responses Reply with quote

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Joined: 16 Oct 2008
Posts: 100

We have a new application in place, and it seems that we are receiving random replies from amqrmppa. The structure is request: Application > MB > MF Response: MF > MB > Application.

On the application response queues, I am seeing some odd messages kind of randomly. The message is MQHEPCF format and is a Report. It contains random information about the request and the queue managers and also contains "@Receiving Message Channel Agent" & amqrmppa in the data. I can also find this same message in our DLQ on the broker since the broker was unable to process the response due to data formatting errors.

I would appreciate any help on this as I am totally stumped.
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mqjeff
PostPosted: Wed Sep 16, 2009 6:29 am    Post subject: Reply with quote

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Joined: 25 Jun 2008
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The application or your flow is configuring the request messages to ask for report messages from the queue manager.
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meaton78
PostPosted: Wed Sep 16, 2009 6:31 am    Post subject: Reply with quote

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Ah, well that's a little less scary than I had imagined. It must be the application as this service is used be many different applications. Thanks
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meaton78
PostPosted: Wed Sep 16, 2009 6:52 am    Post subject: Reply with quote

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Do you know off hand which flags have to be set in the code to request a report message?
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Vitor
PostPosted: Wed Sep 16, 2009 6:54 am    Post subject: Reply with quote

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meaton78 wrote:
Do you know off hand which flags have to be set in the code to request a report message?


The report options detailed in the APR would be a good place to start I think.
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meaton78
PostPosted: Wed Sep 16, 2009 6:57 am    Post subject: Reply with quote

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I'm in there - Appendix E. I'm just having trouble understanding it.
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Vitor
PostPosted: Wed Sep 16, 2009 7:03 am    Post subject: Reply with quote

Grand High Poobah

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Location: Texas, USA

meaton78 wrote:
I'm in there - Appendix E. I'm just having trouble understanding it.


Do not despair. It's fairly straightforward, just a series of flags.
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bruce2359
PostPosted: Wed Sep 16, 2009 7:23 am    Post subject: Reply with quote

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WMQ Application Programming Reference manual. Find the section on the MQMD (message descriptor); then look for Report Options.
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meaton78
PostPosted: Wed Sep 16, 2009 9:12 am    Post subject: Reply with quote

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Thanks Bruce; I'll check that out also. One last question. If the message was marked as persistent, are reports generated automatically?
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mqjeff
PostPosted: Wed Sep 16, 2009 9:14 am    Post subject: Reply with quote

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meaton78 wrote:
If the message was marked as persistent, are reports generated automatically?

The two are entirely unrelated.
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bruce2359
PostPosted: Wed Sep 16, 2009 9:58 am    Post subject: Reply with quote

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Location: US: west coast, almost. Otherwise, enroute.

Quote:
If the message was marked as persistent, are reports generated automatically?

Same manual. Same section. Persistence field.
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meaton78
PostPosted: Wed Sep 16, 2009 10:06 am    Post subject: Reply with quote

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Thanks Bruce, that's a great manual. They dumb it down just the right amount.
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bruce2359
PostPosted: Wed Sep 16, 2009 10:20 am    Post subject: Reply with quote

Poobah

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

The two app development bibles (small b) for WMQ are the WMQ Application Programming Reference, and WMQ Application Programming Guide. Great reads, both. (Although plot-line is slim, and cast of characters is wanting...)
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