Timothy Bish created AMQ-3909:
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Summary: Messages sometimes not received by active topic
subscriptions
Key: AMQ-3909
URL: https://issues.apache.org/jira/browse/AMQ-3909
Project: ActiveMQ
Issue Type: Bug
Components: Broker, JMS client, stomp
Affects Versions: 5.6.0
Reporter: Timothy Bish
Assignee: Timothy Bish
Fix For: 5.7.0
A consumer subscribe over stomp or a failover of a consumer can lead to a
scenario in which messages are not delivered to consumers on Topics. There is
a small window in which the consumer subscribe and consumer update of prefetch
during failover and a Stomp consumer subscribe when messages might be produced
but the subscription is not sent those messages. Once a new Message is
produced after the ConsumerControl command updates the prefetch then pending
messages are dispatched. The Topic and DurableTopic subscription classes need
to do an eager dispatch after the prefetch size is updated to ensure pending
message that were held because the window was to small are dispatched in a
timely manner.
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