[jira] [Created] (AMQ-6517) Make redelivery policy preDispatch check optional

["Gary Tully (JIRA)" <ji...@apache.org>]

Gary Tully created AMQ-6517:
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             Summary: Make redelivery policy preDispatch check optional
                 Key: AMQ-6517
                 URL: https://issues.apache.org/jira/browse/AMQ-6517
             Project: ActiveMQ
          Issue Type: Bug
          Components: JMS client
    Affects Versions: 5.14.0
            Reporter: Gary Tully
            Assignee: Gary Tully
             Fix For: 5.15.0


AMQ-5146 introduced a pre dispatch check on the redelivery policy to ensure that a consumer the repeatidly crashed with a redelivery limit would eventually fail the message to the dlq.
There are cases where this is not ideal. For example, if the redelivery policy denies redelivery, maxRedeliveries=0 and a message has been inflight on an aborted connection. Broker side the redelivery count will be incremented, because the broker knows it may have been delivered (on a connection abort, the consumer goes not get to supply accurate delivery status information). With the preemptive check, this message it won't get delivered and will instead go directly to the DLQ.

making the preDeliveryCheck optional allows maxRedeliveries=0 to work in this case.



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