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From Muzza <>
Subject Re: dynamicQueues
Date Wed, 30 Aug 2006 10:15:48 GMT


>From our scenario we're using Webpshere to deploy an MDB against an AMQ
dynamicQueue. This all works fine if the dynamicQueue is empty (will this
exist ? has it been destroyed ?).

However if we have planned maintenance and need to shut down our MDB and
reconnect to the dynamicQueue that has messages on (verified via hermes)
then our application doesn't connect or start.

We're trying to establish if when using dynamicQueues will a queue be
removed in AMQ if it has 0 messages, so the next time we connect we
effectively create a new queue ?

Any help greatly appreciated,

Adrian Co wrote:
> Hi,
> Here's some documentation on ActiveMQ destinations:
> To answer your question, ActiveMQ will attach to the existing one or 
> create a new one if not yet existing.
> Hope this helps. :)
> Muzza wrote:
>> Hi,
>> If I specify a queue to connect to with the following external JNDI name
>> :
>> dynamicQueues/queue/testQueue
>> and this queue already exists and has persisted messages on the queue,
>> will
>> ActiveMQ attempt to create a new Queue or attach to the existing one ?
>> Thanks,
>> Steve.

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