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MQSeries.net Forum IndexGeneral IBM MQ SupportPub/Sub - Unable to establish hierarchy

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exerk
PostPosted: Wed Feb 08, 2017 3:38 am Post subject: Pub/Sub - Unable to establish hierarchy Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 5619

I'm working on a Pub/Sub POC at the moment involving:

PARENT - z/OS MQ V8.0.0.0
CHILD - RHEL MQ V7.5.0.6

ALTER QMGR PARENT(<z/OS qmgr name>) in the Linux qmgr lights up the SDR and the z/OS queue manager is sending back an acknowledgement, but, the ack messages are dead-queuing with MQRC 2035 - the z/OS system ID is being contextually presented as the one to use for the SYSTEM.BROKER.INTER.BROKER.COMMUNICATION queue.

On the RCVR channel of the Linux qmgr we have PUTAUT(DEF) and also tried MCAUSER(mqm) but still the contextual ID is being used - or so it seems.

As a cut-out test I created a Linux and Windows hierarchy (Linux V.8.0.0.5, Linux V9.0.1, and Windows V9.0.1), all with PUTAUT(DEF) and blank MCAUSER values - all works as advertised, so I am at a loss to understand why the issue is happening in the POC.

Of note, and not sure whether it has any bearing, the POC Linux qmgr was created in Restricted Mode (don't ask me why, I'm only the hired help around here).

I feel that I'm missing something blindingly obvious here, but I just can't see it so would appreciated any pointers.
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.

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mqjeff
PostPosted: Wed Feb 08, 2017 4:56 am Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17174

Try PUTAUT(ONLYMCA) on the zOS channels.

It's not *entirely* a guess...

Also can you see the userid and altuser id in the DLQ message? And other such relevant info?
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exerk
PostPosted: Wed Feb 08, 2017 5:25 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 5619

mqjeff wrote:
Also can you see the userid and altuser id in the DLQ message?

The userid in the DLQd message is that of the z/OS queue manager and we have just tried this on a Linux V8.0 queue manager and got the same result. There does not seem to be any other useful info in the DLH.
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.

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