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| Expiry set but message not discard |
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| ycchin |
 Posted: Wed Aug 04, 2004 3:00 am Post subject: Expiry set but message not discard |
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Newbie
Joined: 30 Jul 2003
Posts: 4
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I set the expiry as follows but the message faileds to discard after 1 seconds, could some1 give some guidance
MQMessage put_msg = new MQMessage ();
put_msg.format = MQC.MQFMT_STRING;
put_msg.expiry = 10;
put_msg.persistence = MQC.MQPER_NOT_PERSISTENT;
put_msg.report = MQC.MQRO_DISCARD_MSG; MQPutMessageOptions pmo = new MQPutMessageOptions ();
put_msg.writeString (message1);
remote_queue.put (put_msg, pmo);
qMgr.commit (); |
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| JLRowe |
| Posted: Wed Aug 04, 2004 3:44 am Post subject: |
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Yatiri
Joined: 25 May 2002
Posts: 664
Location: South East London
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| Read the manual, it is not discarded until a GET is attempted. |
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| kirani |
| Posted: Wed Aug 04, 2004 8:00 am Post subject: |
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Jedi Knight
Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
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Messages will not be discarded until some application tries to Browse or GET messages from the queue.
_________________
Kiran
IBM Cert. Solution Designer & System Administrator - WBIMB V5
IBM Cert. Solutions Expert - WMQI
IBM Cert. Specialist - WMQI, MQSeries
IBM Cert. Developer - MQSeries
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| PeterPotkay |
| Posted: Wed Aug 04, 2004 9:28 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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AND that browse/GET actually "touches" the expired message.
Put the following messages to a queue
Message CorrelID Expiry
#1 CI1 10
#2 CI2 10
#3 CI3 10000000
#4 CI4 10
#5 CI5 10
Now wait a minute. Queue depth shows 5, but 1,2,4 and 5 are expired.
Do an MQGET with CorrelID of CI3. Message 3 will be returned, and message 1 and 2 will be deleted off of the queue. 4 and 5 will still stay behind (queue depth is 2), because MQ did not touch them on its search from the head of the queue for a message that satisfies the get.
Above assumes a FIFO queue.
_________________
Peter Potkay
Keep Calm and MQ On |
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