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https://issues.apache.org/jira/browse/PROTON-2128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17025691#comment-17025691
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Robbie Gemmell commented on PROTON-2128:
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I missed your previous comment somehow. My earlier comment wasn't saying this
duped PROTON-2005 itself, but rather the PROTON-2042 already linked to it.
Agreed more work is required.
> Python client crash sending aborted messages
> --------------------------------------------
>
> Key: PROTON-2128
> URL: https://issues.apache.org/jira/browse/PROTON-2128
> Project: Qpid Proton
> Issue Type: Bug
> Components: python-binding
> Affects Versions: proton-c-0.29.0
> Environment: Fedora 29; dispatch master=2efbd; proton master or 0.29
> release
> Reporter: Charles E. Rolke
> Priority: Major
> Attachments: PROTON-2128-reproducer.zip,
> PROTON-2128_DISPATCH-1464-gdb-bt.txt, PROTON-2128_DISPATCH-1464-gdb-py-bt.txt
>
>
> This issue was originally reported under DISPATCH-1464
> Dispatch self tests have an intermittent failure:
> {{
> 41: test_05_message_route_abort_one_router
> (system_tests_delivery_abort.RouterTest)
> ... python: /home/chug/git/qpid-proton/c/src/core/engine.c:691:
> pni_add_work: Assertion `!delivery->local.settled' failed.
> 1/1 Test #41: system_tests_delivery_abort ......Child aborted***Exception:
> 4.47 sec
> }}
> The failure is an assert with the assumption that the delivery must not be
> settled. The failing code is handling a SENDER link.
> The suspect here is interaction with the abort processing which spontaneously
> settles an outgoing delivery from the client side. The message is not
> presettled and there is no settlement over the wire.
> Spontaneous settlement may prove the assert to be overly aggressive:
> sometimes deliveries may be settled in pni_add_work(). Maybe the assertion
> could be changed to allow delivery.local.settled to be true but only if
> delivery.aborted is also true.
> Core dump backtraces to be added shortly.
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