[AMQ-3805] duplicate dispatch to durable sub with concurrent send transaction commit and activate

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 5.5.1
• Fix Version/s: 5.6.0
• Component/s: Broker
• Labels: duplicate durable transaction
• Assignee: Gary Tully
• Reporter: Gary Tully
• Created: 13/Apr/12 09:57
• Updated: 20/Apr/12 15:43
• Resolved: 20/Apr/12 15:43

Description

A durable sub can get duplicate message dispatches when a large send transaction is committing and the subscription is activated.
The completion of the send transaction does a dispatch with the new messages already in the store. An activate does a dispatch from the store. The result can be duplicate dispatches to the subs pending list. The problem is the reset of the audit during activation. The audit should suppress the duplicate dispatch.