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| ALTER with FORCE on Clustered Queue |
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| Ceartas |
 Posted: Fri Oct 08, 2010 6:36 am Post subject: ALTER with FORCE on Clustered Queue |
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Novice
Joined: 31 Oct 2008
Posts: 11
Location: Scotland
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Illustrious Colleagues
Has anyone experienced using ALTER with FORCE on a QLOCAL to change the CICS initiation quue whilst the QLOCAL is open for output by a message flow ie. how does it affect the message flow?
Any help or sincere sarcasm gratefully received.
Windy
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| Vitor |
| Posted: Fri Oct 08, 2010 6:42 am Post subject: Re: ALTER with FORCE on Clustered Queue |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| Ceartas wrote: |
| Has anyone experienced using ALTER with FORCE on a QLOCAL to change the CICS initiation quue whilst the QLOCAL is open for output by a message flow ie. how does it affect the message flow? |
Depends what you're altering. If you're altering the queue to put inhibited it's going to have a serious effect on the flow.
(You did ask for the sarcasm...)
If you alter any object when it's open (i.e. using force) then any connected application will lose the current open handle. A flow will respond to this by rolling back with the reason code & doing what it does with reason codes, depending on what Catch or Failure terminals you've got connected. It'll then retry & attempt to open the queue again, at which point the changes will be effective.
IMHO it's always better to bring down the using applications before you make queue changes. You don't need a big maintenance slot for this sort of thing.
Not always possible of course.
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| bruce2359 |
| Posted: Fri Oct 08, 2010 10:34 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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I gather that you want to alter the application queue so that it identifies a different initiation queue; and that you want to use the CKTI transaction in cics to start a trigger monitor on the new initiation queue.
Easily done. But it will interrupt the flow. Can upi suspend the application that puts messages in the application queue?
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