[jira] [Created] (DISPATCH-1497) [test] system tests fallback_dest test times out occasionally

["Charles E. Rolke (Jira)" <ji...@apache.org>]

Charles E. Rolke created DISPATCH-1497:
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             Summary: [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


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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