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| kriticos |
 Posted: Thu Aug 17, 2006 9:12 am Post subject: Losing one message when I set CLWLPRTY on a queue |
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Newbie
Joined: 15 Aug 2006
Posts: 4
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I have three qmgrs: qm1, qm2 and qm3. I have one cluster queue: qc1. qc1 exists on qm2 and qm3. CLWLPRTY (queue) is set to 2 on qm2 and 1 on qm3.
MQ 6, running on Solaris 8.
When I shut down qm2, the first message I send after is lost. All following messages are properly sent to qm3.
Any idea why I lose the first message? |
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| vennela |
| Posted: Thu Aug 17, 2006 11:14 am Post subject: |
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Jedi Knight
Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
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| I thought losing the first message is no more a problem with clusters after 5.2 |
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| kriticos |
| Posted: Thu Aug 17, 2006 11:40 am Post subject: |
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Newbie
Joined: 15 Aug 2006
Posts: 4
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| jefflowrey |
| Posted: Thu Aug 17, 2006 11:45 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Try sending a persistent message. See where it ends up.
Also, double-check that it is not just in an uncommitted state - compare curdepth of SYSTEM.CLUSTER.TRANSMIT.QUEUE against number of visible messages.
_________________
I am *not* the model of the modern major general. |
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| Nigelg |
| Posted: Fri Aug 18, 2006 12:20 am Post subject: |
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Grand Master
Joined: 02 Aug 2004
Posts: 1046
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If the msg is non-persistent then it will not be in a committed state unless the channel has been changed to NPMSPEED(NORMAL).
If the msg is persistent it may be uncommitted.
It is normal for a non-persistent msg to be lost when put to a RUNNING channel to a qmgr which has just been shut down. The SDR (CLUSSDR) channel does not discover that the partner channel is no longer running until after the msg has been sent. it is too late by then to recover a non-persistent msg with NPMSPEED(FAST).
Setting BATCHHB on the channel would stpo this happening; this is probably what vennela is referring to.
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