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https://issues.apache.org/jira/browse/PROTON-1077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell resolved PROTON-1077.
------------------------------------
       Resolution: Fixed
         Assignee: Robbie Gemmell
    Fix Version/s: 0.11.1
                   0.12.0

> receiver link and transport view of credit can become disjoint when sending 
> link sends flow frames
> --------------------------------------------------------------------------------------------------
>
>                 Key: PROTON-1077
>                 URL: https://issues.apache.org/jira/browse/PROTON-1077
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-j
>    Affects Versions: 0.11
>            Reporter: Robbie Gemmell
>            Assignee: Robbie Gemmell
>             Fix For: 0.12.0, 0.11.1
>
>
> If a recieving link receives flow frames from the sending peer updating 
> advancing the delivery count [and setting credit to 0], then recieves flow 
> frames from the sender updating credit but not advancing the delivery count, 
> then receives messages, the Link and TransportLink views of the credit can 
> become disjoint, leading applications to think they have a different amount 
> of credit than they actually do, and leading to a different amount of new 
> credit being flowed to the sender than expected, even none.



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