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MQSeries.net Forum Index » IBM MQ Java / JMS » jms failure - what to do with message?

jms failure - what to do with message?

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bamboozled_by_MQ

Posted: Sat Oct 16, 2004 1:23 pm Post subject: jms failure - what to do with message?

Voyager

Joined: 07 Jan 2004
Posts: 75

question:

if a MDB picks up messages from an IBM MQ native queue and processes them and passes the object/data to other components writing to database ect...

what if something happens and an error occurs and it was never written to the DB, how could you then get the message back.

has anyone dealt with a scenario such as this?

do you make a copy of the message and hold it on another queue until you get confirmation that the message was received and written to the DB successfully?

thank you

vennela

Posted: Sat Oct 16, 2004 1:42 pm Post subject:

Jedi Knight

Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India

I have never done this. But you should be able to do a 2-phase commit.

bower5932

Posted: Mon Oct 18, 2004 6:08 am Post subject:

Jedi Knight

Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA

It sounds like you need to use container managed transactions (ie, get your message in a transaction) and use a two-phase commit to make your database update. If you have problems, you can rollback and get the message redelivered.

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