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From Lou Bona <>
Subject Re: Random questions about the dead letter queue
Date Thu, 19 Oct 2006 05:07:12 GMT

sounds like you got the DLQ working. I'm stumped, maybe you can help. 
I'm looking for some docs, sample code, or just some advice on what I'm 

For the most basic case I'm using the example code include in the distro 
(4.0.1), and setting the timeToLive to 10 seconds. I see the that the 
messages expire, but I don't see them move out of the queue until the 
broker hits a checkpoint and clears out the old messages.

I tried consuming "ActiveMQ.DLQ.Queue.TEST.FOO" - which is what 
IndividualDeadLetterStrategy.getDeadLetterQueueFor() says the DLQ is for 
TEST.FOO, and I tried a variety of things with JMX and Advisory 
Messages, but I'm having zero luck getting expired messages.

Any clues on what I'm missing would be appreciated,


James Strachan wrote:

> On 10/17/06, ojs <> wrote:
>> Hello!
>> I'd be very happy if someone could give me some answers on this:
>> How can messages be moved from the dead letter queue to a 'standard' 
>> queue
>> when using kaha persistence?
>> Are there any maintenance tools for kaha persistence?
>> How to configure that messages won't ever be moved to the dead letter 
>> queue
>> (endless retry)?
> The MBeans are the way to work with queues, delete messages, move them
> from a DLQ to their original queues etc.
> If you don't want to use DLQs just change the redelivery policy to
> retry forever.

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