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MQSeries.net Forum Index » General WebSphere MQ Support » Message stuck at CMH

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Nandhini
PostPosted: Fri Feb 17, 2012 4:28 am    Post subject: Message stuck at CMH Reply with quote

Novice

Joined: 23 Nov 2011
Posts: 13

Hi ,

I am finding a problem with my MQ system where messages are stuck at a queue in CMH and these messages go out of SAP. The messages get piled up in a queue at CMH. The message flow is like from this queue it will write to logs and then the messages split for different customers. Even the logs are not written. The messages are stuck in that particular queue. The flow is running, the channels are fine. Do not know why the yare not processed further. Is there anything else that I could do?


Thank You.
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mqsiuser
PostPosted: Fri Feb 17, 2012 4:54 am    Post subject: Re: Message stuck at CMH Reply with quote

Yatiri

Joined: 15 Apr 2008
Posts: 606
Location: Germany

Nandhini wrote:
Is there anything else that I could do?


Yes - carefully check the relevant configurations:

QMGR on the InputNode (probably emtpy, then thats the default QMGR, the one that Broker has been given during creation)
IN-Queue-Name of your message flow.
Wire the MQInputNode Out-Terminal to a (ESQL compute) node.

This is very basic, but happens from time to time. Carefully look at your setup and try out a couple of things (flow delete, redeploy, stop, start) until it works.

Is this the very first flow you write ?
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mqjeff
PostPosted: Fri Feb 17, 2012 5:22 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 13229

What is CMH?

What kind of message flow are you talking about? Is this really a Message Broker message flow?
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Nandhini
PostPosted: Fri Feb 17, 2012 5:49 am    Post subject: Reply with quote

Novice

Joined: 23 Nov 2011
Posts: 13

I could see a channel going on and off in a period of 1 hour. I try to start it, it starts and goes off after an hour. Also i tried to redeploy a flow and the channel came up and again its going down. What could be the error? The messages are not going from the queue even in the small time of the channel getting up. And this is an error in the exisiting flow.
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Nandhini
PostPosted: Fri Feb 17, 2012 5:50 am    Post subject: Reply with quote

Novice

Joined: 23 Nov 2011
Posts: 13

It is the message broker message flow only
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Vitor
PostPosted: Fri Feb 17, 2012 5:53 am    Post subject: Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 21206
Location: Ohio, USA

Are you sure these message are committed? A valid reply is not "yes, I can see the queue depth is non-zero". Can you browse these messages?

Also what is CMH? We have no knowledge of your systems. Or your flows. Or your process.

Except what you tell us.
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Insanity is the best defence.
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mqjeff
PostPosted: Fri Feb 17, 2012 8:27 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 13229

Message Broker flows do not do anything with MQ Channels.

So if the messages are sitting on a transmit queue, then you have a Channel problem, NOT a Message Flow problem.

If the messages are sitting on an input queue, then you have a message flow problem and NOT a channel problem.

Unless you have both.

In which case, what you have is two separate problems that require separate troubleshooting.
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bruce2359
PostPosted: Mon Feb 20, 2012 7:54 am    Post subject: Reply with quote

Jedi Council

Joined: 05 Jan 2008
Posts: 6711
Location: US: west coast, almost.

CMH?
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