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https://issues.apache.org/jira/browse/AMQNET-294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12972136#action_12972136
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Mark Gellings commented on AMQNET-294:
--------------------------------------

Okay.  I had thought things were working fine for you...in AMQNET-293 you had 
said "I haven't been able to reproduce any sort of deadlock using latest trunk 
and the provided tests in AMQNET-294".  So good to know you are actually seeing 
the problem on your end too.

I did test with ActiveMQ v5.3.2 and the same problem occurred.  

It does appear to be something in combination of the clients and broker end as 
the tagged 1.1, 1.2, and 1.3 versions of NMS do not have this problem when 
running against the ActiveMQ v5.4.2 broker.

> 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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