[jira] [Created] (ZEPPELIN-319) RemoteSchedulerTest can fail depending on performance/timing

["Rick Moritz (JIRA)" <ji...@apache.org>]

Rick Moritz created ZEPPELIN-319:
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             Summary: RemoteSchedulerTest can fail depending on performance/timing
                 Key: ZEPPELIN-319
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-319
             Project: Zeppelin
          Issue Type: Bug
          Components: build
    Affects Versions: 0.5.0
         Environment: High OS load/latency
            Reporter: Rick Moritz
            Priority: Trivial


I'm currently trying to get building Zeppelin's 0.5.0 stable, and stumbled across another intermittent failure:
RemoteSchedulerTest.java$L121''s assertion failed randomly, I presume because the 500ms thread sleep before was insufficient. I will provide a patch adding another 500ms should the first comparison fail, before asserting, in order to have a quick build in the normal case, with minimal waiting, and a slower build, should there b a performance issue. While not a perfect solution, this is probably the best hope to avoid broken builds for no reason with a higher probability.
I'm assuming that this error is also present in master, at least the relevant source code is identical.



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