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From "Andrew Stitcher (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PROTON-1783) Sporadic hang in Windows CI test for C++ multithreaded_client_flow_control example
Date Mon, 05 Mar 2018 18:51:00 GMT

    [ https://issues.apache.org/jira/browse/PROTON-1783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16386530#comment-16386530
] 

Andrew Stitcher commented on PROTON-1783:
-----------------------------------------

When examining the humg process it seems that there are 3 remaining threads created by the
process (out of 5).

The container runner thread is sitting waiting in the proactor for another event

2 receiver threads are waiting on the condition variable {{can_receive_}}

The 2 sender threads have already exited.

The atomic count {{remaining}} is 9; so 11 messages have been sent and received, but 9 have
either been sent, but not received, or not even sent.

> Sporadic hang in Windows CI test for C++ multithreaded_client_flow_control example
> ----------------------------------------------------------------------------------
>
>                 Key: PROTON-1783
>                 URL: https://issues.apache.org/jira/browse/PROTON-1783
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: proton-c-0.21.0
>         Environment: Windows
>            Reporter: Andrew Stitcher
>            Assignee: Andrew Stitcher
>            Priority: Major
>
> There is a sporadic test failure in the Windows CI (Appveyor):
> It happens in the cpp-example-container test. The multithreaded_client_flow_control example
hangs and doesn't exit.
> This seems to only be an issue on Windows - the Linux/MacOS CI runs don't seem to hang
in this way.



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