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From "Mark Williams (JIRA)" <>
Subject [jira] [Created] (AMQCPP-586) Messages erroneously rejected as duplicates.
Date Mon, 02 Nov 2015 09:01:27 GMT
Mark Williams created AMQCPP-586:

             Summary: Messages erroneously rejected as duplicates.
                 Key: AMQCPP-586
             Project: ActiveMQ C++ Client
          Issue Type: Bug
    Affects Versions: 3.9.0
            Reporter: Mark Williams
            Assignee: Timothy Bish

Messages erroneously rejected as duplicates.

Using the failover transport, INDIVIDUAL_ACKNOWLEDGE mode and the redelivery
plug-in if we repeatedly close and reopen the consumer without acknowledging
the messages then, after a while, messages are marked as duplicates.

Using the option "connection.checkForDuplicates=false" provides a workaround.

The attached sample program illustrates the problem.  You may need to run it with
many 100 loops to see the problem, although sometimes it occurs quickly.

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