AR created AMQ-5473:
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Summary: Race condition caused by Linkstealing might make durable
subs inactive
Key: AMQ-5473
URL: https://issues.apache.org/jira/browse/AMQ-5473
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.11.0
Reporter: AR
Link Stealing creates a new connection and disconnects the old connection.
These operations are done concurrently.
New connection triggers addConsumer() for active subscriptions and old
connection stop causes removeConsumer() for the same.
Problems:
* addConsumer() would throw exception that the sub is already active (if
remove did not happen before)
* even if we go past the exception, it will not activate the subs
* remove consumer may remove subcription even if it had different connection
context (created by linkstealing)
Patch attached.
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