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  1. ActiveMQ
  2. AMQ-6424

Duplicate dead letter queues

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Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • 5.13.0, 5.13.3, 5.14.0
    • None
    • Broker, KahaDB
    • JDK 1.8.0_93 , Windows Server 2012 R2

    Description

      In version 5.14 (and 5.13.3) it appears the broker is able to 'occasionally' create extra DLQ-queues holding duplicate messages.
      Browsing the admin console, you will sometimes see something like this:

      • DLQ.myEventQueue
      • DLQ.DLQ.myEventQueue

      That both hold the samme message ID, eg. ID:ClientABC-61753-1471513949441-1:4:1:3:1

      The one from DLQ.myEventQueue is a standard entry caused by a client transaction rollback.
      The (unwanted) one from DLQ.DLQ.myEventQueue has a

      • dlqDeliveryFailureCause: java.lang.Throwable: duplicate paged in from store for queue://DLQ.myEventQueue

      At some point you can even get a third queue named

      • DLQ.DLQ.DLQ.myEventQueue holding another message with the samme MessageID and the same dlqDeliveryFailureCause

      Reproduce: Haven't found a way to provoke the error. It happens occasionally in a semi-active test environment running with Mule 3.6.2.
      Best guess is that there is some issue with the use of Journaling and synchronization between Kahadb and the MSSQL-database.

      Configuration can be found at
      http://activemq.2283324.n4.nabble.com/file/n4715868/activemq-anonymous.xml

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            Unassigned Unassigned
            berges@mesan.no Berge Stillingen
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            Dates

              Created:
              Updated: