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From "Andreas Mattes (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3961) Durable subscriber only receives part of the persisted messages on re-connect
Date Fri, 03 Aug 2012 23:57:02 GMT
Andreas Mattes created AMQ-3961:
-----------------------------------

             Summary: Durable subscriber only receives part of the persisted messages on re-connect
                 Key: AMQ-3961
                 URL: https://issues.apache.org/jira/browse/AMQ-3961
             Project: ActiveMQ
          Issue Type: Bug
          Components: Connector
    Affects Versions: 5.6.0
         Environment: Default configuraton of ActiveMQ under Linux or Windows
            Reporter: Andreas Mattes


A durable subscriber is connected to ActiveMQ using the ConnectionConsumer protocol, transacted
sessions, and at most 1 message per session. While the subscriber is disconnected, the publisher
publishes e.g. 10 messages. When the subscriber re-connects, it only receives 2 messages of
those. If it repeatedly disconnects and re-connects, it receives 2 messages each time until
all messages are received.

Further investigation reveals that the problem lies in class org.apache.activemq.broker.region.PrefetchSubscription
which does not re-check for further pending messages to be dispatched when committed message
are removed from the list of dispatched but not yet acknowledged messages.

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