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https://issues.apache.org/jira/browse/QPID-1989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gordon Sim updated QPID-1989:
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Priority: Minor (was: Major)
Issue Type: Improvement (was: Bug)
> Credit window not automatically handled for unaquired subscription mode
> -----------------------------------------------------------------------
>
> Key: QPID-1989
> URL: https://issues.apache.org/jira/browse/QPID-1989
> Project: Qpid
> Issue Type: Improvement
> Components: C++ Client
> Affects Versions: 0.5
> Reporter: Gordon Sim
> Assignee: Gordon Sim
> Priority: Minor
> Fix For: 0.6
>
>
> If you have a subscription using ACQUIRE_MODE_NOT_ACQUIRED in conjunction
> with a credit window (e.g. FlowControl::messageWindow(1)), then even with
> autoAck set there is no automatic completion information sent to the broker
> which means that the credit window is not moved forward and messages stop
> getting delievered when the window gets used up.
> This can be worked around easily enough by calling Session::sendCompleted()
> (in the default COMPLETE_ON_DELIVERY mode the completion is marked, just not
> sent to the broker).
> However it would be more intuitive and convenient to handle this case by
> sending completion at a frequency dictated by the autoAck value even if not
> sending an accept (due to messages not being acquired).
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