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Date: Thu, 26 Nov 2009 08:49:52 -0800 (PST)
From: "Dejan Bosanac (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Resolved: (AMQ-2515) Improve Optimized Acknowledgements
 behavior when transport is interrupted
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     [ https://issues.apache.org/activemq/browse/AMQ-2515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dejan Bosanac resolved AMQ-2515.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 5.4.0
                   5.3.1

fixed with svn revision 884633. Added some clearing when transport is interrupted. Also, implemented ack timeout, so we will send acks after 300ms if we don't have enough messages (for optimized ack).

> Improve Optimized Acknowledgements behavior when transport is interrupted 
> --------------------------------------------------------------------------
>
>                 Key: AMQ-2515
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2515
>             Project: ActiveMQ
>          Issue Type: Improvement
>    Affects Versions: 5.3.0
>            Reporter: Dejan Bosanac
>            Assignee: Dejan Bosanac
>             Fix For: 5.3.1, 5.4.0
>
>
> When transport is interrupted and there are unacked messages in the consumer, they are not properly cleaned, so we can get unmatched acknowledge exceptions after transport is resumed.
> Also, we need to force ack if it doesn't happen in certain timeframe, since the current behavior can lead to hangs when consumer is interrupted often.

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