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From "Wilfred Spiegelenburg (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9431) flaky junit test fair.TestAppRunnability after YARN-8967
Date Mon, 01 Apr 2019 02:02:00 GMT
Wilfred Spiegelenburg created YARN-9431:
-------------------------------------------

             Summary: flaky junit test fair.TestAppRunnability after YARN-8967
                 Key: YARN-9431
                 URL: https://issues.apache.org/jira/browse/YARN-9431
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler, test
    Affects Versions: 3.3.0
            Reporter: Wilfred Spiegelenburg
            Assignee: Wilfred Spiegelenburg


In YARN-4901 one of the scheduler tests failed. This seems to be linked to the changes around
the placement rules introduced in YARN-8967.

Applications submitted in the tests are accepted and rejected at the same time:
{code}
2019-04-01 12:00:57,269 INFO  [main] fair.FairScheduler (FairScheduler.java:addApplication(540))
- Accepted application application_0_0001 from user: user1, in queue: root.user1, currently
num of applications: 1
2019-04-01 12:00:57,269 INFO  [AsyncDispatcher event handler] fair.FairScheduler (FairScheduler.java:rejectApplicationWithMessage(1344))
- Reject application application_0_0001 submitted by user user1 application rejected by placement
rules.
{code}
This should never happen and is most likely due to the way the tests generates the application
and events.



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