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MQSeries.net Forum Index » IBM MQ Java / JMS » Seq number on the sender channel

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ravip
PostPosted: Thu Sep 15, 2005 7:39 am    Post subject: Seq number on the sender channel Reply with quote

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Joined: 22 Feb 2005
Posts: 23
I'm having to set the seq num on our sender channel in order to resolve the message count out of synch issue. This is happening very frequently and I'm not sure what the reasons are behind that. Can anyone tell me what we could do to avoid this. Thanks for the inputs
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hopsala
PostPosted: Thu Sep 15, 2005 10:35 am    Post subject: Reply with quote

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Joined: 24 Sep 2004
Posts: 960
This used to happen quite a lot in older MQ versions and CSD levels, and was pretty much solved in later fixes; What version are you working with? Which OS?

This can also occur on unstable networks.
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ravip
PostPosted: Thu Sep 15, 2005 6:36 pm    Post subject: Reply with quote

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Joined: 22 Feb 2005
Posts: 23
We are using MQ version 5.3 and our OS is Sun Solaris, how does network stability affect this.
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fjb_saper
PostPosted: Thu Sep 15, 2005 6:51 pm    Post subject: Reply with quote

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Joined: 18 Nov 2003
Posts: 20697
Location: LI,NY
ravip wrote:
We are using MQ version 5.3 and our OS is Sun Solaris, how does network stability affect this.


In many ways. The description of cause and effect is in the intercommunications manual (I believe) and is explained in the way to resolve in doubt channels.

a) check last sequence number of last sent batch from sender channel
b) check last sequence number of last received batch from receiver channel
c) resolve accordingly to differences making sure not to create duplicate messages...

Enjoy
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