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| Durable subscriptions to a queue |
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| mqjeff |
 Posted: Thu Jun 01, 2017 5:03 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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There's a difference between a PUT and a PUBLISH.
A published message only goes to active/existing subscriptions.
A subscription doesn't publish messages (I know you know that, but you said "There are then admin subscriptions (the same configuration on each IIB server) that publish the messages to an alias queue, again on the IIB server."
If your admin subscriptions are pointing to Alias queues, and those point to queues in the cluster... then I *think* that messages sent to those subscriptions would end up on the cluster xmitq. But you might try using qremotes for the destination of the admin subscriptions.
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chmod -R ugo-wx / |
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| simonalexander2005 |
| Posted: Thu Jun 01, 2017 5:30 am Post subject: |
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Acolyte
Joined: 13 Jun 2016
Posts: 55
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| zpat wrote: |
| Try taking it out of the cluster, then starting explorer to put to the queue (or use another tool like RFHUTIL) - does it work then? |
I tried taking it out of the cluster and then the local alias won't put at all (it can't find the target), which is as expected.
I then tried putting it back into the cluster, and stopping the OUT1 queue manager (as before), but this time putting multiple messages.
The first message triggers the following error in the system log:
| Quote: |
| Channel x to localhost(1417) ended abnormally |
and is lost; the rest of the messages make it.
From this, I have realised it's a persistence issue; and it is in fact working as it should.
Thanks again! |
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| zpat |
| Posted: Thu Jun 01, 2017 5:38 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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Yes, make sure the messages are persistent.
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Well, I don't think there is any question about it. It can only be attributable to human error. This sort of thing has cropped up before, and it has always been due to human error. |
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| jcv |
| Posted: Thu Jun 01, 2017 10:31 am Post subject: |
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Chevalier
Joined: 07 May 2007
Posts: 411
Location: Zagreb
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| PeterPotkay |
| Posted: Thu Jun 01, 2017 4:10 pm Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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| mqjeff wrote: |
If your admin subscriptions are pointing to Alias queues, and those point to queues in the cluster... then I *think* that messages sent to those subscriptions would end up on the cluster xmitq. |
They will.
We use Administrative subscriptions pointing at Alias queues that resolve to clustered queues a lot.
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Peter Potkay
Keep Calm and MQ On |
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