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From Nuno Oliveira <>
Subject Re: Multiple virtual topics and messages routing to consumers
Date Wed, 16 Mar 2016 01:26:33 GMT
Thank you for the feedback. 

I have created a simple test case for this based on one of the ActiveMQ basic examples (attached
to this mail -

I create two producers, one that will send messages to virtual topic VirtualTopic.> and
one that will send messages to virtual topic VirtualTopic.MIGRATION.

And I create two consumers, one that will consume from queue Consumer.ConsumerA.VirtualTopic.>
and another 
one that will consume from queue Consumer.ConsumerB.VirtualTopic.MIGRATION.

Sending one message to each virtual topic I would expect something like this:

    Consumer 'ConsumerA' received: This message was from topic 'VirtualTopic.>'.
    Consumer 'ConsumerB' received: This message was from topic 'VirtualTopic.MIGRATION'.

But I get something like this (the messages are replicated to all queues):

    Consumer 'ConsumerA' received: This message was from topic 'VirtualTopic.>'.
    Consumer 'ConsumerB' received: This message was from topic 'VirtualTopic.>'.
    Consumer 'ConsumerA' received: This message was from topic 'VirtualTopic.MIGRATION'.
    Consumer 'ConsumerB' received: This message was from topic 'VirtualTopic.MIGRATION'.

I tested this using the default configuration with ActiveMQ versions 5.9.0 and 5.13.2.

You told that you were able to get this behavior with a sample. I would be very grateful if
you could share that sample :)


Le mardi 15 mars 2016 à 13:36 -0600, Quinn Stevenson a écrit :
> Is there a specific reason the default configuration won’t work for you?  (Either don’t
set anything, or explicitly set the default of
> <virtualTopic name="VirtualTopic.>" prefix="Consumer.*."/>
> I tried a simple sample using the defaults, and it seems to accomplish what you’re
> > On Mar 14, 2016, at 11:05 AM, Nuno Oliveira <>
> > 
> > <virtualTopic name="VirtualTopic.MIGRATION" prefix="Consumer.*.VirtualTopic."/>
> >                <virtualTopic name="VirtualTopic.>" prefix="Consumer.*.VirtualTopic."/>
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