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MQSeries.net Forum Index » Mainframe, CICS, TXSeries » MQ COMMIT but DB2 ROLLBACK in CICS - Doubts

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Sandeepan
PostPosted: Fri May 06, 2011 2:45 am    Post subject: MQ COMMIT but DB2 ROLLBACK in CICS - Doubts Reply with quote

Newbie

Joined: 27 Feb 2011
Posts: 3
Hi,

I have MQ triggered CICS application which also updates DB2 tables . My requirment is that if there is some problem in the data then the DB2 updates need to be rolled back but the message needs to be deleted . I found in IBM that this can be achieved by using MQGMO_MARK_SKIP_BACKOUT and MQGMO_SYNCPOINT in MQGET options . However it also says that I need to perform a MQ operation(like MQPUT) in between the Rollbackof UOW1 and the commit of UOW2 . I dont have a req to put anything to the MQ . So in this case what other MQ operation I can use ? Is there any way of avoiding the MQ operation in between the ROLLBACK and COMMIT ?

Cheers
Sandeep
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PeterPotkay
PostPosted: Fri May 06, 2011 5:15 am    Post subject: Re: MQ COMMIT but DB2 ROLLBACK in CICS - Doubts Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7722
Sandeepan wrote:
...but the message needs to be deleted.

So if you don't rollback the message to the queue in this scenario, do you ever want to rollback the message to the queue? If not, just use the No Syncpoint option on your MQGET and be done.
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Peter Potkay
Keep Calm and MQ On
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