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From patrik <>
Subject Consuming "Virtual Topic" hangs in ActiveMQ 5.9
Date Fri, 22 Nov 2013 13:56:06 GMT

We are having som issues with "Virtual Topics" running:
ActiveMQ 5.9.0, Camel 2.12.1, LevelDB.
No network of brokers, No replication.

Sending 10000 of large messages to virtual topic is working perfectly.

But when starting to consume from the "Virtual Topics"-queues, the consumer
log starts to spam:

DEBUG [org.apache.activemq.ActiveMQMessageConsumer]: on close, rollback
duplicate: ID:PROD-57380-1385127481381-1:2:1:1:12

After consuming about 50 messages from each queue, the consumer hangs and
the log keeps spaming.

We have tried to do camel:multicasting instead. This works but runs slow and
still spam "on close, rollback duplicate" in log.

Best regards,
Patrik Bj├Ârk

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