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MQSeries.net Forum Index » General IBM MQ Support » Ghost Messages.

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cadenza
PostPosted: Thu May 26, 2005 3:21 am    Post subject: Ghost Messages. Reply with quote

Apprentice

Joined: 01 Jun 2004
Posts: 48
Hi All,

This sounds interesting.

I have created a local queue in Websphere MQ 5.3

Some application is using the queue to put messages. Currently I find that there are 15 messages.

But when you try to view them you dont find any messages exist. The MQExplorer shows blank. Application programs say that the queue is empty and throws a 2033 error.

I wonder what possible species of message can lead to this behaviour.
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jefflowrey
PostPosted: Thu May 26, 2005 3:24 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
Have you read up on message transactionality?
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I am *not* the model of the modern major general.
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cadenza
PostPosted: Thu May 26, 2005 4:00 am    Post subject: Reply with quote

Apprentice

Joined: 01 Jun 2004
Posts: 48
No. Seems to have been stumped by your question.

Could you please guide me?
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jefflowrey
PostPosted: Thu May 26, 2005 4:10 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
These messages are still in a transaction. They have been put but not committed or got but not committed.

This is documented, expected behavior.
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I am *not* the model of the modern major general.
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scottm
PostPosted: Thu May 26, 2005 4:30 am    Post subject: Reply with quote

Apprentice

Joined: 13 May 2004
Posts: 44
Location: SE Tennessee
Could it be that the messages have expired?

Expired messages will remain on the queue and will show up as queue depth in MQExplorer until they are accessed (like when you try to view them in MQExplorer), then they will be deleted.
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