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From "James Strachan" <james.strac...@gmail.com>
Subject Re: ActiveMQ 4.0.2 and JMSXGroupID. Is the functionnality broken?
Date Thu, 19 Apr 2007 12:21:37 GMT
On 4/19/07, Harry Co <harryco.magic@gmail.com> wrote:
> Thanks James for that precision.
> I have another question although.
> You said
>
>  Message Groups only applies to queues.
>
>
>
> Is that a part of JMS specification or just the way ActiveMQ handles
> the need of JMSXGroupID upon "TOPICS"?
> I went through the web and found nothing about that.

Its a JMS specification thing. Topics mean every suitable consumer
gets a copy of the message; so you cannot use topics for load
balancing.
http://activemq.apache.org/how-does-a-queue-compare-to-a-topic.html

-- 
James
-------
http://macstrac.blogspot.com/

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