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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Unable to get message from MQ queue ''IQ'': MQCC= 2019

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Suresh Gupta
PostPosted: Tue Oct 09, 2007 2:40 am    Post subject: Unable to get message from MQ queue ''IQ'': MQCC= 2019 Reply with quote

Apprentice

Joined: 29 Jun 2005
Posts: 46
Location: India

Hi , In a request / Reply scenario , we are getting two replies for a particular request , so we need to combine these two replies and send back to requester using HTTP reply node in broker ,I we designed the flow like first we take the message form MQ input and store it in the local environment after that we used MQGET node to get the second message from the Queue , this is working but I am getting intermitted results, I am getting following error in the windows event viewer
Event Type: Error
Event Source: WebSphere Broker v6000
Event Category: None
Event ID: 2606
Date: 10/9/2007
Time: 3:51:57 PM
User: N/A
Computer: TCS089331
Description:
( WBRK6_DEFAULT_BROKER.default ) Unable to get message from WebSphere MQ queue ''IQ'': MQCC=2; MQRC=2019; node 'GETMSG.MQInput'.

A node 'GETMSG.MQInput' failed to get a message from WebSphere MQ queue 'IQ' using the MQGET function. The WebSphere MQ return code and reason code returned are as displayed. The node periodically retries the MQGET until it is successful.

Check the WebSphere MQ completion and reason codes in the WebSphere MQ Application Programming Reference manual to establish the cause of the error, taking any appropriate action. It may be necessary to restart the message broker after you have performed this recovery action.

after some time IP PROCS on the input queue is 0 so all the I/P messages are piled up the I/P queue , after restarting the queue all message are picked by the flow , but this is not running continuously
can any one suggest appropriate solution for this
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Vitor
PostPosted: Tue Oct 09, 2007 2:48 am    Post subject: Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

You might want to look at this:

http://www-1.ibm.com/support/docview.wss?rs=849&context=SSKM8N&dc=DB550&uid=swg1IZ04299&loc=en_US&cs=UTF-8&lang=en&rss=ct849websphere

but more importantly this:

http://www.mqseries.net/phpBB2/viewtopic.php?t=33511&highlight=&sid=e7bfe5c88073b9e1f0547dcbe2775288

Basically using the same queue for an MQInput and an MQGet is a bit iffy. I'd certainly apply maintenance to the broker and see if that helps.

Your design also smacks of message affinity which is always a bad idea!
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Suresh Gupta
PostPosted: Tue Oct 09, 2007 4:26 am    Post subject: Unable to get message from MQ queue ''IQ'': MQCC= 2019 Reply with quote

Apprentice

Joined: 29 Jun 2005
Posts: 46
Location: India

Hi , can I have any temporary solution for this
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Vitor
PostPosted: Tue Oct 09, 2007 4:27 am    Post subject: Re: Unable to get message from MQ queue ''IQ'': MQCC= 2019 Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

Suresh Gupta wrote:
Hi , can I have any temporary solution for this


If none of the solutions in the other thread suit you, then my recomendation is to redesign to remove message affinity.
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Vitor
PostPosted: Tue Oct 09, 2007 10:07 am    Post subject: Re: Unable to get message from MQ queue ''IQ'': MQCC= 2019 Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

Suresh Gupta wrote:
Hi , can I have any temporary solution for this


It seems you'll get a permanent solution in November if you upgrade:

http://www.mqseries.net/phpBB2/viewtopic.php?t=39860&highlight=
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