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MQSeries.net Forum Index » General Discussion » Info on report message

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bkRaju
PostPosted: Fri Jan 20, 2012 1:13 pm    Post subject: Info on report message Reply with quote

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Hi,
can anyone tell me what is Report : 192 means in MQMD?

Is there any links where I can understand integers and corresponding kind of report messages?
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bruce2359
PostPosted: Fri Jan 20, 2012 1:18 pm    Post subject: Reply with quote

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From the WMQ Constants manual:

MQRO_PASS_MSG_ID 128
MQRO_PASS_CORREL_ID 64

128+64=192
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bruce2359
PostPosted: Fri Jan 20, 2012 1:21 pm    Post subject: Reply with quote

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Moved to General Discussion forum.
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bkRaju
PostPosted: Fri Jan 20, 2012 1:33 pm    Post subject: Reply with quote

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Thanks for the information, any idea in what scenario the report field value will be set ?
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bkRaju
PostPosted: Fri Jan 20, 2012 1:42 pm    Post subject: Reply with quote

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Infact the message has been landed in backout queue.


FYI

StrucId : 'MD ' Version : 2
Report : 192 MsgType : 2
Expiry : -1 Feedback : 0
Encoding : 273 CodedCharSetId : 819
Format : 'MQSTR '
Priority : 0 Persistence : 1
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bruce2359
PostPosted: Fri Jan 20, 2012 4:52 pm    Post subject: Reply with quote

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bkRaju wrote:
... any idea in what scenario the report field value will be set ?

Applications create request messages. Report messages are created by a qmgr or MCA, to report back to the requesting application the ultimate delivery of the request message. Both reply and report messages are considered part of the same transaction.

Therefore both reply and report messages will contain the CorrelId from the request message MsgId. This allows the requesting application to correlate (aggregate) both reply and report messages.
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bkRaju
PostPosted: Fri Jan 20, 2012 5:40 pm    Post subject: Reply with quote

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Report : 192 MsgType : 2

What it means when it is reply message with report 192?
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PeterPotkay
PostPosted: Fri Jan 20, 2012 6:02 pm    Post subject: Reply with quote

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An app that produces a message with the MQMD Report options set is telling us what it wants to happen. There are lots of report options. Some deal with what the sending app wants for automated system generated report messages, and how they should be produced. Other options are used to tell the next app that picks up that message what to do when producing a reply, or if it should send back a PAN or NAN message. Other report options are there to tell MQ what to do with the message if it can't be delivered.

Read this:
http://publib.boulder.ibm.com/infocenter/wmqv7/v7r0/topic/com.ibm.mq.csqzak.doc/fr13320_.htm

A well written MQ application that picks up messages will inspect the MQMD_Report field of the message and respect the options set there.

If a Reply message has 192 in the Report field, it could mean:
The replying app was lazy and copied the 192 from the Request message into the Reply message, and it really means nothing.
-or-
The reply message is meant to produce ANOTHER reply message in response, and when it does, the app should be copying the Message ID from the 1st reply message into the Message ID of the 2nd reply message and copying the Correl ID of the 1st reply message into the Correl ID of the 2nd reply message.

As Bruce said:
MQRO_PASS_MSG_ID 128
MQRO_PASS_CORREL_ID 64

128+64=192
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