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| Every other message getting "lost" |
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| Boomn4x4 |
 Posted: Tue Oct 16, 2012 7:01 am Post subject: Every other message getting "lost" |
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Disciple
Joined: 28 Nov 2011
Posts: 172
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I have a strange problem where in only one instance, every other message seems to be getting lost.
I have an API that puts messages to a clustered queue. On my system, it works fine. However, when I run the application on another developers system, it seems like every other message is getting lost. If I send 4 messages, only 2 show up on the clustered queue. I put one message, nothing shows up. Put the second message, it shows up. I'm checking the MQ_CC of the PUT, and I am getting MQCC_OK.
The part that has me scratching my head is that if I use the same API to put messages to a generic local queue (as opposed to the clustered queue), there are no issues.
Question 1: Any idea what I should be looking at to see why everything works fine on my system. It works fine for a local queue on another system, but doesn't work for a cluster queue on that same system?
Question 2: Where are those seemingly "lost" messages going?
Last edited by Boomn4x4 on Tue Oct 16, 2012 7:04 am; edited 1 time in total |
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| mqjeff |
| Posted: Tue Oct 16, 2012 7:02 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| The basic and obvious answer is that they are going to the *other* instances of the clustered queue. |
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| Vitor |
| Posted: Tue Oct 16, 2012 7:18 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| mqjeff wrote: |
| The basic and obvious answer is that they are going to the *other* instances of the clustered queue. |
And if there's no other clustered instance, they're going to (or trying to go to) where they think the other instance was before it was incorrectly removed from the cluster.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| Boomn4x4 |
| Posted: Tue Oct 16, 2012 9:38 am Post subject: |
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Disciple
Joined: 28 Nov 2011
Posts: 172
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Thank you...
No idea where this zombie queue is or what remains of it, but I did figure out that this other person's development system had been a member of a total of three clusters in the past few months. I was able to properly remove him from all but the one I'm concerned about and all is working. |
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| mvic |
| Posted: Tue Oct 16, 2012 1:42 pm Post subject: Re: Every other message getting "lost" |
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Jedi
Joined: 09 Mar 2004
Posts: 2080
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| Boomn4x4 wrote: |
| Question 2: Where are those seemingly "lost" messages going? |
To a queue. What does the getter app look like? How does it run? Is it a client or a server app? |
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