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From "ying (JIRA)" <>
Subject [jira] Created: (AMQ-2324) Forwarded message cannot be distributed to the original broker
Date Thu, 09 Jul 2009 20:03:06 GMT
Forwarded message cannot be distributed to the original broker

                 Key: AMQ-2324
             Project: ActiveMQ
          Issue Type: Improvement
            Reporter: ying

I have a simple cause which can cause dispatch problem:

1. setup a network of broker1, broker2, bridged by multicast discovery
2. make a producer send 5 msg to queueA to broker2
3. make a consumer to consume from broker1 queueA ( make it slow, so it only consumer 1 msg)
but make sure all 5 msg from broker2 are forwared to broker1
4. stop the consumer to broke1, restart it to consume from broker2 queueA
5. the 4 msgs originally published to broker2 and forwarded to broker1 and has not yet been
consumed will stuck on broker1 and will not forwarded to broker2 for the consumer to consume.

Here is an solution: it checks forwarded to broker( eg, broker1) to see whether it has any
active consumer, it will be able forward the message back to the original broker when there
is no active consumer on the forwarded to broker.

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