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MQSeries.net Forum Index » IBM MQ Java / JMS » Messages ending up in Dead Letter Queue

Messages ending up in Dead Letter Queue

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jarun111

Posted: Thu Apr 22, 2004 1:22 pm Post subject: Messages ending up in Dead Letter Queue

Acolyte

Joined: 19 Apr 2004
Posts: 70

Hi All,
For some reason our messages end up in the Dead Letter Queue.

Application details
---------------------

JMS - PubSub
Simple Publisher / Simple Subscriber using dynamic queues
e.g.
SYSTEM.JMS.ND.TOPIC1.*

The publisher is able to publish and the subscriber does receive the messages (MessageListener / onMessage() implementation)

But when we check the Dead Letter Queue its depth keeps increasing and pretty much equal to the messages that were published, don't know why ?

Any help will be appreciated.
Thanks
Arun.

PeterPotkay

Posted: Thu Apr 22, 2004 2:18 pm Post subject:

Poobah

Joined: 15 May 2001
Posts: 7722

Look at the messages in the DLQ. The DLH will tell you why they are there.
_________________
Peter Potkay
Keep Calm and MQ On

jefflowrey

Posted: Thu Apr 22, 2004 4:44 pm Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

Just in case,
"DLQ" stands for "Dead Letter Queue" and
"DLH" stands for "Dead Letter Header".

Messages that go on the Dead Letter Queue have a special header, called the Dead Letter Header, attached to them. This header includes a DLH Reason Code to tell you why the message showed up on the DLQ.

But you knew that from reading the manuals, so I'm just being redundant.
_________________
I am *not* the model of the modern major general.

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