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| nab054371 |
 Posted: Tue May 08, 2007 4:55 am Post subject: Messages do making to dead letter queue |
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Disciple
Joined: 15 Nov 2006
Posts: 173
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Hi,
I have an application writing to a queue say TESTQ.My TESTQ has run out of queue depth.I am expecting to see message flow to the DEAD LETTER queue,but I dont see 'em there?
thanks |
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| Vitor |
| Posted: Tue May 08, 2007 4:59 am Post subject: Re: Messages do making to dead letter queue |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| nab054371 wrote: |
| I am expecting to see message flow to the DEAD LETTER queue |
Why? If your TESTQ is a local queue, your MQPUT will fail with a "queue full" reason code (2053? It's in the manual).
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Honesty is the best policy.
Insanity is the best defence. |
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| ashu |
| Posted: Tue May 08, 2007 5:03 am Post subject: |
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Centurion
Joined: 11 Nov 2006
Posts: 132
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I'm sure ,
display QMGR in RUNMQSC shows the DEADQ(name of your dead Q) field set...
I that case one of the activity you could perform is check whether the DEADQ is PUT(ENABLED)...
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Ashu
"It is simple to be Happy but difficult to be Simple" |
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| Vitor |
| Posted: Tue May 08, 2007 5:06 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| ashu wrote: |
I'm sure ,
display QMGR in RUNMQSC shows the DEADQ(name of your dead Q) field set...
I that case one of the activity you could perform is check whether the DEADQ is PUT(ENABLED)...
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It's quite right, but not relevant to the poster's problem. The dead letter queue is only used for undeliverable messages. If the message cannot be accepted for delivery because the queue is full, the put will be declined with a 2053 (I looked it up  ).
The scenario I think you're thinking of is where a message has been transmitted to the queue manager, rather than put locally. In this case it's been accepted at the receiving end so if the target queue is full it's undeliverable and then will go to the dead letter queue (if defined).
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| ashu |
| Posted: Tue May 08, 2007 5:19 am Post subject: |
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Centurion
Joined: 11 Nov 2006
Posts: 132
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OOPs
Oh ya, MQ takes the responsibility of the message only if it makes its way to the Local Q on the Sending side first.... 
got it...thanks 
Regards,
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Ashu
"It is simple to be Happy but difficult to be Simple" |
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| Vitor |
| Posted: Tue May 08, 2007 5:20 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| ashu wrote: |
Oh ya, MQ takes the responsibility of the message only if it makes its way to the Local Q on the Sending side first....
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Exactly so. Hence the importance of effective error checking.
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