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Posted to dev@qpid.apache.org by "Gordon Sim (JIRA)" <ji...@apache.org> on 2019/03/18 19:34:00 UTC

[jira] [Assigned] (DISPATCH-1287) router gets confused by clients response to drain and subsequently issue too little credit

     [ https://issues.apache.org/jira/browse/DISPATCH-1287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gordon Sim reassigned DISPATCH-1287:
------------------------------------

    Assignee: Gordon Sim

> router gets confused by clients response to drain and subsequently issue too little credit
> ------------------------------------------------------------------------------------------
>
>                 Key: DISPATCH-1287
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-1287
>             Project: Qpid Dispatch
>          Issue Type: Bug
>    Affects Versions: 1.5.0
>            Reporter: Gordon Sim
>            Assignee: Gordon Sim
>            Priority: Major
>             Fix For: 1.6.0
>
>         Attachments: drainable.py
>
>
> A sender is opened for an address on which there is a receiver. It sends one messages which is accepted. The receiver then detaches and the sender tries to send another message. This second message is released and the router attempts to drain the senders credit.
> The sender responds to the drain request by not sending any further messages but incrementing the delivery_count by the appropriate amount.
> If a receiver attaches on the address again after this point, the router issues credit back to the sender, but only issues link-credit=1.



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