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From "Timothy Bish (JIRA)" <jira+amq...@apache.org>
Subject [jira] Commented: (AMQNET-294) durable subscription message loss when master broker fails to slave
Date Tue, 21 Dec 2010 19:36:03 GMT

    [ https://issues.apache.org/jira/browse/AMQNET-294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973836#action_12973836
] 

Timothy Bish commented on AMQNET-294:
-------------------------------------

One way to deal with the Durable Consumers right now is to listen for the transport interrupted
event and close them down and recreate them, then they will get all the backlogged messages,
if you add a second run of the consumer to the test case that doesn't fail you'll see all
its remained unacked messages come in normally.  

> durable subscription message loss when master broker fails to slave
> -------------------------------------------------------------------
>
>                 Key: AMQNET-294
>                 URL: https://issues.apache.org/jira/browse/AMQNET-294
>             Project: ActiveMQ .Net
>          Issue Type: Bug
>          Components: NMS
>    Affects Versions: 1.4.1
>         Environment: Windows 7 (client), Windows Server 2008 64-bit (server brokers run
on), Sql Server 2008 (database)
>            Reporter: Mark Gellings
>            Assignee: Jim Gomes
>             Fix For: 1.5.0
>
>         Attachments: Apache.NMS.Test (2).zip, Apache.NMS.Test.zip, DurableConsumerTest.cs,
DurableSubscriberFailoverTest.java, NMSLog.txt, NMSLogLocalFreshCannedActiveMQ542Broker.txt,
TimsTestRevisedSlightly.zip
>
>
> We are seeing message loss on a durable subscription when using NMS ActiveMQ v1.4.1 and
ActiveMQ v5.4.1.
> Please run the included NUnit test and watch the console output.  When it says "Failover
the broker now!" do as it says.  About 75% of the time less than half of the expected 250
messages come through.
> Using version 1.1 of NMS the majority of the time the test passes.  I have seen it fail
only a few times with this earlier version, and when it does there are only a couple messages
that don't come through.
> In the zip file will be the unit test, and a config directory containing the master and
slave activemq configurations.  We are using JDBC master/slave.

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