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MQSeries.net Forum IndexIBM MQ API SupportCan't rollback MQ on iSeries

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mknesbeth
PostPosted: Fri May 12, 2006 2:03 am Post subject: Can't rollback MQ on iSeries Reply with quote

Newbie

Joined: 08 Mar 2006
Posts: 3
Hello MQ World

I'm going blind from looking at MQ manuals and I can't get anywhere.

I cannot get MQ to roll back. I have a program which successfully reads a message from the queue, performs some processing which fails and requires a rollback, but the message is not replaced on the queue. The non-MQ updates are successfully rolled back. The MQ program (type CBLLE) is called from a CL as follows:


CL

STRCMTCTL

CALL mq-program (in bold to distinguish it from the CL)

( Mq-program
CALL “MQCONN”
CALL “MQOPEN”
…
…

CALL "MQGET"
(successful)
…
…

If failure
Do not do MQCLOSE or MQDISC
Else
CALL “MQCLOSE”
CALL “MQDISC”
End-If. )

If mq-program failed
ROLLBACK
Else
COMMIT
End-If.

ENDCMTCTL


Can anyone help?

Thanks

Maurice
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Maurice
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wschutz
PostPosted: Fri May 12, 2006 2:30 am Post subject: Reply with quote

Jedi Knight

Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
Did you try the get with MQGMO_SYNCPOINT? The default on iSeries is NO_SYNC. ANd I'm not 100% sure if its different on iSeries, but on other platforms MQDISC implies MQCMIT,
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mknesbeth
PostPosted: Fri May 12, 2006 3:05 am Post subject: MQ Rollback on iSeries (Resolved) Reply with quote

Newbie

Joined: 08 Mar 2006
Posts: 3
Wayne

You truly are a grand master! Brilliant! The MQGMO-SYNCPOINT option worked.

Thanks very much indeed.

Maurice
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Maurice
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mvic
PostPosted: Fri May 12, 2006 3:31 am Post subject: Re: MQ Rollback on iSeries (Resolved) Reply with quote

Jedi

Joined: 09 Mar 2004
Posts: 2080
mknesbeth wrote:
Brilliant! The MQGMO-SYNCPOINT option worked.

I'm pleased you got it working. For further reference, check out the following page(s): http://publib.boulder.ibm.com/infocenter/wmqv6/v6r0/topic/com.ibm.mq.csqzal.doc/synccon.htm
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