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https://issues.apache.org/jira/browse/AMQNET-401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526870#comment-13526870
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Timothy Bish commented on AMQNET-401:
-------------------------------------
Love how MS stacktrace doesn't give you line numbers, no utterly useless.
> NullReferenceException from Apache.NMS.ActiveMQ.Transport.InactivityMonitor
> ----------------------------------------------------------------------------
>
> Key: AMQNET-401
> URL: https://issues.apache.org/jira/browse/AMQNET-401
> Project: ActiveMQ .Net
> Issue Type: Bug
> Components: NMS
> Affects Versions: 1.5.6
> Environment: Windows Server 2008 R2, .Net 4.0
> Reporter: Markus Karolus
> Assignee: Jim Gomes
> Priority: Critical
>
> It's the same problem which is descibed in,
> https://issues.apache.org/jira/browse/AMQNET-339
> in the current version (1.5.6) the real problem is not fixed, so I created
> this new issue.
> Today we had an crash on one of our enviromental boxes:
> Directly after a failover we got the following message from the
> InactivityMonitor "InactivityMonitor[{0}]: Timer Task didn't shutdown
> properly."
> Afterwards the whole process shuts down after an UnhandledException handling.
> In the WriteCheck method a NullReferenceException was thrown.
> It seems that during the StopMonitorThreads the timer connectionCheckTimer
> couldn't stop correctly and ansyncTasks exists. Directly after that the
> asyncTasks will be set to null -> In the currenr running WriteCheck a
> NullReferenceException occures.
> (This problem was already commented in AMQNET-339 as last comment from
> Matthew Good)
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