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https://issues.apache.org/jira/browse/QPIDJMS-146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell resolved QPIDJMS-146.
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Resolution: Fixed
Resolving as the Appveyor CI build against the 'apache/qpid-jms' mirror on
GitHub now seems happy and is the only place this has ever been seen (including
other jobs on Appveyor not using the apache account mirror)
> potential NPE in transport while establishing SSL connection
> ------------------------------------------------------------
>
> Key: QPIDJMS-146
> URL: https://issues.apache.org/jira/browse/QPIDJMS-146
> Project: Qpid JMS
> Issue Type: Bug
> Components: qpid-jms-client
> Affects Versions: 0.7.0
> Reporter: Robbie Gemmell
> Assignee: Robbie Gemmell
> Fix For: 0.8.0
>
>
> There is an issue in the SSL transport, such that it can potentially NPE
> while establishing the connection, resulting in the attempt hanging.
> The issue looks to occur due to the way we are adding a listener to Netty,
> hitting some inconsistency in thread safety, coupled with unpredictable
> threading behaviour at the point the listener is added to a future versus it
> being completed, topped by Netty swallowing the exception when it is thrown.
> We should adjust the usage of Netty so that we register the listener earlier
> such that it gives more predictable thead behaviour and avoids possibility of
> the NPE.
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