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https://issues.apache.org/jira/browse/PROTON-847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492625#comment-14492625
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Cliff Jansen commented on PROTON-847:
-------------------------------------
Proton is not thread safe.
Please try again single threaded and see if your errors persist.
> Qpid Proton C Assertion trasport->output_pending >= size failed
> ---------------------------------------------------------------
>
> Key: PROTON-847
> URL: https://issues.apache.org/jira/browse/PROTON-847
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: 0.7
> Environment: Debian linux, Proton C v 0.7
> Reporter: Rajkumar
> Priority: Critical
>
> I am using Qpid proton C library v.7.0 for sending AMQPS messages to Azure
> cloud service bus. I am getting the following error.
> /home/debian/qpid/qpid-proton-0.7/proton-c/src/transport/transport.c:2110:
> pn_transport_pop: Assertion `transport->output_pending >= size' failed.
> Can anyone tell why this error is coming? This error comes very frequently
> and not able to predict and no idea how to stop this
> ** I have created one messenger object and two thread is my program share
> that messenger object. If there is a time out occurs more than three times I
> free the messenger object and recreate new messenger object.
> ** First thread send message to cloud and second thread receives messages
> from the cloud.
> ** Is it a right way of doing or I need to create two messenger objects for
> sending and receiving messages?
> ** Or Do I need to create new messenger object every time while sending and
> receiving messages ?
> Please propose the design to avoid such kind of errors.
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