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From "James Strachan" <>
Subject Re: Setting up ActiveMQ using java1.5 and ActiveMQ4.0RC2
Date Fri, 05 May 2006 08:16:53 GMT
On 5/5/06, osian <> wrote:
> No, both brokers are talking to the same database, should they have
> individual DB's?

Yes. That explains the duplicate primary keys :)

> Now that I am running a single broker, in the JConsole window, I can see
> both queues, one has been fully processed, and the other is at a size of
> 2953, with a deqeue count of 500 and 3 consumers connected to it.  This
> queue is being processed, and should be publishing onto the other queue, but
> the size of the queue is not coming down and it isn't publishing onto the
> other queue (this was working).  This is most strange. Saying that, I have
> just checked the machines again and they are processing both messages, but
> the JConsole doesn't show that this is happening, whats going on????? Am I
> going mad?
> Should I be using topic's instead of queues, or durable subscribers?? All I
> need is a guarantee that a message is processed, and processed only once.

Queues should be fine. I'd maybe zap the database and start again with
just 1 broker working against it until you're happy you've got your
setup working with queues.



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