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From "Christopher G. Stach II" <>
Subject Re: Random questions about the dead letter queue
Date Thu, 19 Oct 2006 06:05:55 GMT
Lou Bona wrote:
> hi,
> 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 
> missing.
> 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,
> Lou

Expiration doesn't work until [supposedly] 4.0.2.  You will only get DLQ 
messages <4.0.2 from going over the redelivery limit.

Christopher G. Stach II

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