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https://issues.apache.org/jira/browse/DISPATCH-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16988799#comment-16988799
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Charles E. Rolke commented on DISPATCH-1497:
--------------------------------------------
With proton master @927d4 and dispatch master @5b850 then
test_28_switchover_local_edge_alt_remote_edge failed with
{noformat}
AssertionError: None != 'Timeout Expired - n_tx=252, n_rx=0, n_rel=170190,
phase=1'
{noformat}
Log analysis shows storms of released messages when the tests enter phase 1.
The main receiver is closed and a stream of messages is injected at the
ingress. The messages travel through the ingress router to the egress router
where they are released. Eventually credits to the sender are not restored and
the sender stops thus leading to the timeout.
> [test] system tests fallback_dest test times out occasionally
> -------------------------------------------------------------
>
> Key: DISPATCH-1497
> URL: https://issues.apache.org/jira/browse/DISPATCH-1497
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Router Node, Tools
> Affects Versions: 1.9.0
> Environment: Fedora 29. Proton 0.29.0
> Reporter: Charles E. Rolke
> Priority: Major
>
> The fallback_dest typically completes in 40-45 seconds on my machine.
> Occasionally, the test times out with:
> {noformat}
> 61: File
> "/home/chug/git/qpid-dispatch/tests/system_tests_fallback_dest.py", line 350,
> in test_35_switchover_mix_1
> 61: self.assertEqual(None, test.error)
> 61: AssertionError: None != 'Timeout Expired - n_tx=0, n_rx=0, n_rel=2799,
> phase=1'
> 61: Ran 50 tests in 100.831s
> {noformat}
> Increasing the test timeout from 60 to 240 seconds produces the same result
> but it takes a total of 280 seconds.
> In all recorded failures the counters n_tx=0 and n_rx=0 are the same. The
> n_rel varies around 2800 (2799, 2816).
> The most successful loops before a failure was 120. Usually it fails in
> around 10 loops.
>
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