[AMQ 6.3, XA Durable Subscribers] "Pending queue size" greater than zero but message not going to durable subscribers.
Issue
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A Durable Subscriber on a topic is showing "Pending queue size" greater than zero but message are not being sent to durable subscribers. The Durable Subscriber is in an "Active" state
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Broker restart OR Restarting the client that hosts the Durable Sub does NOT resolve the issue.
Environment
- AMQ 6.3 R12
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