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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-1742) False positives from ConnectionAudit duplicateChecker when there are gaps in the message sequences received by a consumer
Date Thu, 22 May 2008 10:58:54 GMT
False positives from ConnectionAudit duplicateChecker when there are gaps in the message sequences
received by a consumer
-------------------------------------------------------------------------------------------------------------------------

                 Key: AMQ-1742
                 URL: https://issues.apache.org/activemq/browse/AMQ-1742
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.1.0
         Environment: all
            Reporter: Gary Tully


a consumer can miss messages with failover transport as the connection audit suppress duplicates
feature is enabled for failover connections.
When there are gaps in the message sequence that span the audit window or when message ids
are multiples of 64 the BitArrayBin that backs the AuditChecker gets out of sync and can report
false positives, rejecting a duplicate message in error.

If it is suspected, enable log4j.logger.org.apache.activemq.ActiveMQMessageConsumer=TRACE
to see an event when a duplicate is recieved.

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