[jira] [Created] (PROTON-1185) [proton-j] writing to the transport stack doesn't flush all bytes to the Network

["Sreeram Garlapati (JIRA)" <ji...@apache.org>]

Sreeram Garlapati created PROTON-1185:
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             Summary: [proton-j] writing to the transport stack doesn't flush all bytes to the Network
                 Key: PROTON-1185
                 URL: https://issues.apache.org/jira/browse/PROTON-1185
             Project: Qpid Proton
          Issue Type: Bug
          Components: proton-j
    Affects Versions: 0.12.2
         Environment: All
            Reporter: Sreeram Garlapati
             Fix For: 0.13.0


We are experiencing this issue intermittently - writing to Proton-j transport stack doesn't flush bytes to the Network and remains in "stuck state" - until more bytes are written to that Transport.

We are experiencing this in both SenderImpl.send(...) and ReceiverImpl.flow(...) - which under-the-covers writes bytes to Transport.

We use SSL transport and our Amqp layer is here: https://github.com/Azure/azure-event-hubs/tree/master/java/azure-eventhubs/src/main/java/com/microsoft/azure/servicebus/amqp

Please let me know what exact information will be useful to diagnose this issue. 

This issue currently consistently repro's after Sending on 1 Link (on 1 Session - 1 AmqpConnection) **for a long time**. While I am trying hard to break this down to a simplest possible reproducer code - I filed the issue to communicate ahead.



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