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https://issues.apache.org/jira/browse/PROTON-2029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell updated PROTON-2029:
-----------------------------------
    Fix Version/s: proton-j-0.33.0

> applying delivery state to a locally-settled delivery can cause erroneous 
> disposition frame
> -------------------------------------------------------------------------------------------
>
>                 Key: PROTON-2029
>                 URL: https://issues.apache.org/jira/browse/PROTON-2029
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-j
>    Affects Versions: proton-j-0.32.0
>            Reporter: Robbie Gemmell
>            Priority: Minor
>             Fix For: proton-j-0.33.0
>
>
> If a delivery has disposition state applied and is locally-settled (and the 
> transport output processed), e.g a consumer receiving an unsettled message 
> and acknowledging it, then the unexpected act of applying further delivery 
> state to the delivery object can result in erroneously emitting another 
> disposition frame upon future processing.
> This occurs because applying the state makes adds the delivery to the 
> transport work list again, with the process only being gated on prior 
> remote-settlement to prevent sending a useless notice of settlement. It 
> should also gate on local-settlement to avoid the odd post-settlement state 
> application from actually leading to a disposition frame.



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