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Dequeueing by message id

Posted on 2014-01-30
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Last Modified: 2014-02-02
I'm attempting to dequeue a specific message by its message ID using PL/SQL.

I retrieve the message ID from the queue table, but when I run the dequeue, I get
ORA-25263, no message in queue SCHEMA.QUEUE with message ID C0C68C7D93694022A93157ED55406D53"

What am I doing wrong? I also tried hextoraw() on the msgid but that made no difference.
script.sql
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Question by:Elisas
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slightwv (䄆 Netminder) earned 500 total points
ID: 39821485
See if the following note from Oracle Support helps:
ORA-25263 Returned While Dequeueing a Message From AQ Using DBMS_AQ.NO_WAIT option (Doc ID 1344845.1)

It is for NO_WAIT but based on the online docs you are only waiting 1 second so it might be the same thing.
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by:Elisas
ID: 39823924
A greater delay does not seem to make a difference (I've tried as long as 10 minutes).

I have no access to the trace file so I cannot confirm or deny an ORA-00054 as the doc you're referring to suggests, but there are no other processes working on the queue so I don't see why there would be a lock.
Also, dequeueing the entire queue without specifying a message id works just fine.
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by:slightwv (䄆 Netminder)
ID: 39823966
Sorry but that is all the information I can locate.

If you have a test case that creates the queue, enqueues a message then tries to dequeue, I'll be happy to run it on me development database to see if I can reproduce what you are seeing and attempt to figure out the issue.

If not, I suggest you open an SR with Oracle Support.  They will have the necessary tools to help you troubleshoot this and trace properly if necessary.
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Author Comment

by:Elisas
ID: 39828814
I realized what went wrong as I was making a test case. Now I just feel stupid.

Since I'm dequeueing in a loop, the message is gone on the 2nd iteration. Since an exception then is thrown, the queue is apparently rolled back.
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