Robbie Gemmell created PROTON-2029:
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Summary: 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
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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