Gary Tully created AMQ-4504:
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Summary: Stalled pending message dispatch to composite destination
consumer
Key: AMQ-4504
URL: https://issues.apache.org/jira/browse/AMQ-4504
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.8.0
Reporter: Gary Tully
Assignee: Gary Tully
Fix For: 5.9.0
With a backlog of messages on N destinations that exceeds the prefetch of the
composite consumer for N, it is possible for dispatch on one destination to
find the subscription full with messages from the other destinations.
If there are no pending messages for that destination it won't get an ack and
hence won't attempt to dispatch again till there is another send. Leading to
stalled pending messages.
The solution is to have a subscription wakeup all destination it is subscribed
to once its dispatch list is exhausted.
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