Chuck Rolke created PROTON-2033:
-----------------------------------
Summary: qpid-proton changes 0.27.x to master(9ff0a) break
qpid-dispatch self test
Key: PROTON-2033
URL: https://issues.apache.org/jira/browse/PROTON-2033
Project: Qpid Proton
Issue Type: Bug
Components: proton-c, python-binding
Affects Versions: proton-c-0.28.0
Environment: Fedora 29, python 3.7, proton and dispatch debug builds
Reporter: Chuck Rolke
While cleaning up qpid-dispatch for a 1.6 follow-on release an intermittent
failure in one of the tests was exposed. Analysis of the failure is in
https://issues.apache.org/jira/browse/DISPATCH-1322 in an attached text
document
https://issues.apache.org/jira/secure/attachment/12965891/DISPATCH-1322-analysis.txt
Another part of the cleanup was fixing the failing test to better report what
went wrong. See https://issues.apache.org/jira/browse/DISPATCH-1318
These issues happened using qpid-proton master @9ff0a. Temporarily the
qpid-proton version was reverted to branch 0.27.x @560ba. Using proton 0.27.x
branch the qpid-dispatch self test does not fail. It passed several thousand
times in a loop. Moving proton back to the master branch brought the dispatch
failures back.
>From the qpid-dispatch perspective this issue is serious. If a receiver
>detaches a link while a sender is sending to it then the sender may lose a
>disposition.
No attempt yet has been made to bisect proton to see where the different
behavior starts showing up. That may be the next best avenue of research.
Another theory for the error is that qpid-dispatch has been mishandling links
all along.
To help expose the problem one may clone
[https://github.com/ChugR/qpid-dispatch] , or add it as a remote, and then
check out branch DISPATCH-1318-cwip. Test system_tests_edge_router has been
gutted to run only test_12 in a loop and to print details of the error(s).
{{ cd build}}
{{ make}}
{{ ctest -VV -R edge}}
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