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MQSeries.net Forum Index » General IBM MQ Support » Seq Num error

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ranjan1247
PostPosted: Wed Feb 18, 2015 4:54 am    Post subject: Seq Num error Reply with quote

Novice

Joined: 17 Feb 2014
Posts: 20

Channel is retrying and i can see error log that AMQ9526.I could see 15 msgs are there and the xmitq status uncomited(YES).
Question is if i will reset the the channel will it be work?
and wat will happen to the uncommited messages?
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exerk
PostPosted: Wed Feb 18, 2015 5:59 am    Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339

The Knowledge Centre (KC) contains all the necessary information you need to resolve your issue, but I advise you to read it very carefully...

...and when these sort of situations occur it's a two-ended resolution, i.e. you need to coordinate with the 'owners' of the 'other' end of the channel.
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.
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PaulClarke
PostPosted: Wed Feb 18, 2015 6:51 am    Post subject: Reply with quote

Grand Master

Joined: 17 Nov 2005
Posts: 1002
Location: New Zealand

Ranjan,

If you get a sequence number error on a channel it is an indication that something is wrong and it should not happen in 'normal' conditions. However, it can be as trivial as someone deleting and redefining a channel, issuing the wrong reset channel command or even re-creating their Queue Manager. These can be safely ignored. But it could indicate a real problem such as ...you are sending these messages to a different QM than you thought you were, someone has recovered the QM from a backup log etc etc

Anyway, if you have convinced yourself that the reason for the sequence failure is known and understood and you just want to get things going again then you can issue a RESET CHANNEL at the sender end and all should be well...no need to update the receiver side. Any messages in prepared state on the transmission queue should be resolved correctly automatically.

Cheers,
Paul.
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Paul Clarke
MQGem Software
www.mqgem.com
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