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https://issues.apache.org/jira/browse/YARN-3910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14623091#comment-14623091
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Anubhav Dhoot commented on YARN-3910:
-------------------------------------
Hi Varun,
Its possible that the schedulerDispatcher.lastSchedulerEvent is null if its not
been set yet. Check for not null as well in the while loop would be good in
that case.
It would be nicer to reduce the sleep to 100 instead of 1000.
> TestRMAppTransitions#testAppAcceptedAttemptKilled fails on trunk
> ----------------------------------------------------------------
>
> Key: YARN-3910
> URL: https://issues.apache.org/jira/browse/YARN-3910
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Attachments: YARN-3910.001.patch
>
>
> Check https://builds.apache.org/job/PreCommit-YARN-Build/8493/testReport/
> {noformat}
> Running
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions
> Tests run: 44, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 3.515 sec
> <<< FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions
> testAppAcceptedAttemptKilled[0](org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions)
> Time elapsed: 0.049 sec <<< FAILURE!
> java.lang.AssertionError: expected:<APP_REMOVED> but was:<APP_ATTEMPT_ADDED>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions.verifyAppRemovedSchedulerEvent(TestRMAppTransitions.java:1032)
> at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions.testAppAcceptedAttemptKilled(TestRMAppTransitions.java:742)
> testAppAcceptedAttemptKilled[1](org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions)
> Time elapsed: 0.031 sec <<< FAILURE!
> java.lang.AssertionError: expected:<APP_REMOVED> but was:<APP_ATTEMPT_ADDED>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions.verifyAppRemovedSchedulerEvent(TestRMAppTransitions.java:1032)
> at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions.testAppAcceptedAttemptKilled(TestRMAppTransitions.java:742)
> {noformat}
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