Charles E. Rolke created PROTON-2128:
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Summary: 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
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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