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| JMS to MI Broker, Commit rollback |
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| Gideon |
 Posted: Fri Sep 06, 2013 7:12 am Post subject: JMS to MI Broker, Commit rollback |
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Chevalier
Joined: 18 Aug 2009
Posts: 403
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I have a MI broker (and MI qmgr)
My JMS code is writing messages and committing them (the messages are persistent transacted). The JMS code reconnects using a connection list, and I have tested the reconection successfully several times.
When I fail over using endmqm -is in order to switch to the other broker instance (and of course the other qmgr instance), I get the following error from my java code:
| Code: |
com.ibm.msg.client.jms.DetailedTransactionRolledBackException: JMSCMQ0002: The m
ethod 'MQCMIT' failed.
A WebSphere MQ call failed.
Please see the linked exception for more information.
Inner exception(s):
com.ibm.mq.MQException: JMSCMQ0001: WebSphere MQ call failed with compcode '2' (
'MQCC_FAILED') reason '2003' ('MQRC_BACKED_OUT').
com.ibm.mq.jmqi.JmqiException: CC=2;RC=2003 |
My take is that this is correct behavior, as the code lost connectivity with the qmgr temporarily, and could not commit before it could reconnect.
Is my assumption correct ? |
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| fjb_saper |
| Posted: Fri Sep 06, 2013 8:49 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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I would expect so. You can find out more, faster, by testing the behavior around transactions. The application will have to deal with the occasional rollback / error.
Have fun 
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MQ & Broker admin |
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| Gideon |
| Posted: Fri Sep 06, 2013 10:12 am Post subject: |
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Chevalier
Joined: 18 Aug 2009
Posts: 403
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Thank you.
Just one thing about your response, you said I could find out more, faster, with the use of transactions. I am using the following code:
session.commit();
in a try statement right before I catch the error I previously mentioned.
So I think I am doing what you are suggesting. Am I missing something, or am I on the right path ?
Thanks again |
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| fjb_saper |
| Posted: Sat Sep 07, 2013 6:12 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| Gideon wrote: |
Thank you.
Just one thing about your response, you said I could find out more, faster, with the use of transactions. I am using the following code:
session.commit();
in a try statement right before I catch the error I previously mentioned.
So I think I am doing what you are suggesting. Am I missing something, or am I on the right path ?
Thanks again |
If you created your session as transacted (as I would expect you did) you're on the right path.
Have fun
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MQ & Broker admin |
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