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| Reading from Cluster queue using MQInput node |
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| immbtechie |
 Posted: Thu Oct 04, 2018 6:49 pm Post subject: Reading from Cluster queue using MQInput node |
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Newbie
Joined: 09 Apr 2015
Posts: 6
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We have a requirement to read from a cluster queue but the catch is it does not exist on assigned Queue Manager(Local QM). I am able to read from it the using Client Connection. But I do not understand why i am not able to read from cluster queue without client connection.
Cluster queue is visible to Local QM as we can put message to this queue using MQOutput node and no Client connection is required in this case. |
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| timber |
| Posted: Fri Oct 05, 2018 5:03 am Post subject: |
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Grand Master
Joined: 25 Aug 2015
Posts: 1292
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| Vitor |
| Posted: Fri Oct 05, 2018 5:08 am Post subject: Re: Reading from Cluster queue using MQInput node |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| immbtechie wrote: |
We have a requirement to read from a cluster queue but the catch is it does not exist on assigned Queue Manager(Local QM). I am able to read from it the using Client Connection. But I do not understand why i am not able to read from cluster queue without client connection.
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You need to spend more time reading about clusters.
What you call a "cluster queue" is just a normal local queue that has been shared in a cluster. It's still hosted on a given queue manager (or queue managers) and is subject to the normal rules around a local queue, i.e. you can't read from it unless you're connected (by one means or another) to it's hosting queue manager.
| immbtechie wrote: |
| Cluster queue is visible to Local QM as we can put message to this queue using MQOutput node and no Client connection is required in this case. |
You can put a message to a remote queue that's visible to your local queue manager but you wouldn't expect to be able to read from it would you?
Or maybe you would, in which case you need to spend more time reading about point to point messaging as well.
The only thing that behaves as you expect (directly reading from a queue hosted by a different queue manager) is a queue sharing group, which is specific to the z/OS implementation of MQ. If you're on a mainframe, you can convert your cluster to a QSG and fix your problem.
But I suspect that if you were on a mainframe, you'd have a QSG not a cluster already 
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| immbtechie |
| Posted: Sat Oct 06, 2018 11:17 pm Post subject: |
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Newbie
Joined: 09 Apr 2015
Posts: 6
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| Thank u all for your reply. |
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