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Date: Fri, 10 Oct 2008 05:45:52 -0700 (PDT)
From: "Gary Tully (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQ-1973) Messages are lost if duplex is set to
 "true"
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    [ https://issues.apache.org/activemq/browse/AMQ-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46334#action_46334 ] 

Gary Tully commented on AMQ-1973:
---------------------------------

It looks like mesages are being lost as they are being acked by the network connector even when the network is down. The culprit seems to be a bug fix a while back.
https://issues.apache.org/activemq/browse/AMQ-1521 - change: http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/network/DemandForwardingBridgeSupport.java?view=diff&r1=604699&r2=604700

> Messages are lost if duplex is set to "true"
> --------------------------------------------
>
>                 Key: AMQ-1973
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1973
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.1.0
>         Environment: all
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>             Fix For: 5.3.0
>
>
> With a network of brokers, Hub and Spoke, the spoke as a duplex network connector to the Hub. Regular producer on the Spoke, Consumer on the Hub. If there is a temp network outage (disconnect/reconnect cable) on the network connector between Spoke and Hub, persistent messages can get lost; acked but not dispatched. This only happens if the network connector isDuplex

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