Gary Tully created AMQ-4226:
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Summary: Broker destination zero prefetch and RAR endpoint
listener are incompatible b/c RAR is starved of messages - log an error to
highlight
Key: AMQ-4226
URL: https://issues.apache.org/jira/browse/AMQ-4226
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.7.0
Environment: Resource adapter (RAR)
Reporter: Gary Tully
Assignee: Gary Tully
Priority: Minor
Fix For: 5.8.0
A broker configured zero prefetch will starve the RAR of messages. The consumer
is now aware of the zero prefetch and will log an error if it sees a prefetch
value of zero.
RAR is push only so it needs to have a prefetch > 0 for normal operation.
Setting prefetch to zero broker size is a way of preventing dispatch if
necessary.
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