Kestutis Gedminas created AMQ-7154:
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Summary: Broker Deadlock while processing expired DLQ messages
Key: AMQ-7154
URL: https://issues.apache.org/jira/browse/AMQ-7154
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.12.0
Reporter: Kestutis Gedminas
Attachments: amq.svg, threaddump.zip
We get a deadlock on AMQ. After analysis, it looks like in case if expired
messages thread is processing DLQ queue at the same moment when poisonAck is
received we run into preexisting racing condition in code due to inconsistent
lock acquiring order.
[^threaddump.zip]
[^amq.svg]
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