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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » MQ Backout count

MQ Backout count

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wmqiadmin

Posted: Mon Mar 12, 2007 11:30 am Post subject: MQ Backout count

Disciple

Joined: 19 Jun 2005
Posts: 163
Location: epping UK

Hi All,

Can i set the MQMD Backout count to a specific number and acess that MQMD backout count number in another message flow or another queue??

thanks
wmqiadmin

wschutz

Posted: Mon Mar 12, 2007 12:36 pm Post subject: Re: MQ Backout count

Jedi Knight

Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)

wmqiadmin wrote:

Hi All,

Can i set the MQMD Backout count to a specific number ..
thanks
wmqiadmin

No.
_________________
-wayne

jefflowrey

Posted: Mon Mar 12, 2007 1:33 pm Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

Yes.

Set the Backout Threshold to the count you want to reach, and then set the Backout Retry Queue to the queue that you want, or the queue that is being read by the flow you want...

And then code your original WMB/WBIMB/WMQI/MQSI (hint!) flow to throw errors until the message is backed out.

But it's really noisy and messy to do it.
_________________
I am *not* the model of the modern major general.

jsware

Posted: Tue Mar 13, 2007 4:58 am Post subject:

Chevalier

Joined: 17 May 2001
Posts: 455

jefflowrey wrote:

And then code your original WMB/WBIMB/WMQI/MQSI (hint!) flow to throw errors until the message is backed out.

The message will have a backout count of zero by the time it gets put to the queue identified in the Backout Requeue name since the broker's MQInput node will do an MQPUT to requeue the message. The backout count is an output field for the MQGET call. It is ignored for the MQPUT and MQPUT1 calls. The initial value of this field in a message put/requeued with MQPUT/MQPUT1 is 0.
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John
The pain of low quaility far outlasts the joy of low price.

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