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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2004) Duplicate delivery acks on failover with transacted delivery - Async error on broker - TX has not started error on ack
Date Tue, 18 Nov 2008 11:31:05 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully resolved AMQ-2004.
-----------------------------

    Resolution: Fixed

patch applied

> Duplicate delivery acks on failover with transacted delivery - Async error on broker
- TX has not started error on ack
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-2004
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2004
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.2.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>             Fix For: 5.3.0
>
>         Attachments: AMQ-2004.patch
>
>
> On failover transport resume, outstanding acks are delivered async. Regular consumption
also delivers acks which can result in out of order delivery of outstanding delivery acks.
the async delivery can occur after the regular delivery.
> org.apache.activemq.transport.failover.AMQ1925Test.testAMQ1925_TXBegin modified to fail
on a connection exception demonstrates this behaviour.
> Solution seems to be  to only deliver outstanding standard acks during deliverAcks.

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