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From "Gordon Sim (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Updated: (QPID-1989) Credit window not automatically handled for unaquired subscription mode
Date Tue, 15 Dec 2009 09:53:18 GMT

     [ https://issues.apache.org/jira/browse/QPID-1989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gordon Sim updated QPID-1989:
-----------------------------

    Fix Version/s:     (was: 0.6)

> 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
>
> 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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