Hi,
I have a doubt regarding virtual topics and how the messages are routed
(replicated) to the consumers (queues).
I'm using two virtual topics one with the default name (VirtualTopic.>) and
another
one named VirtualTopic.MIGRATION.
I have three consumers (queues):
* Consumer.2b36ad7a-e641-496d-b319-85000c36d13c.VirtualTopic.>
* Consumer.e5e60abd-1a66-43f5-8588-842e429b4c5c.VirtualTopic.>
* Consumer.48ebcaa5-f11b-4de4-a850-2ff45174f83b.VirtualTopic.MIGRATION
My expectation would be that messages send to topic VirtualTopic.> would be
send to queues:
* Consumer.2b36ad7a-e641-496d-b319-85000c36d13c.VirtualTopic.>
* Consumer.e5e60abd-1a66-43f5-8588-842e429b4c5c.VirtualTopic.>
and that messages send to topic VirtualTopic.MIGRATION would be send to queue:
* Consumer.48ebcaa5-f11b-4de4-a850-2ff45174f83b.VirtualTopic.MIGRATION
So far I was not able to make things work that way.
I have try different virtual destinations configurations:
<destinationInterceptors>
<virtualDestinationInterceptor>
<virtualDestinations>
<virtualTopic name="VirtualTopic.MIGRATION"
prefix="Consumer.*.VirtualTopic."/>
<virtualTopic name="VirtualTopic.>"
prefix="Consumer.*.VirtualTopic."/>
</virtualDestinations>
</virtualDestinationInterceptor>
</destinationInterceptors>
but no look. Messages send to topic VirtualTopic.MIGRATION are replicated to
queues:
* Consumer.2b36ad7a-e641-496d-b319-85000c36d13c.VirtualTopic.>
* Consumer.e5e60abd-1a66-43f5-8588-842e429b4c5c.VirtualTopic.>
but not to queue:
* Consumer.48ebcaa5-f11b-4de4-a850-2ff45174f83b.VirtualTopic.MIGRATION
The only way I manage to make this work more or less was using some tag in the
consumers name and use the
prefix to filter by that tag.
This makes me ask, is it not possible to route messages to queues only based on
the topic name ?
Unfortunately I cannot change consumers names (that are generated randomly) so
using only the prefix is not option.
I'm using ActiveMQ release version 5.9.0.
Any comments on this will be appreciated.
Thank you,
Nuno Oliveira
--
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Nuno Miguel Carvalho Oliveira
@nmcoliveira
Software Engineer
GeoSolutions S.A.S.
Via di Montramito 3/A
55054 Massarosa (LU)
Italy
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