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https://issues.apache.org/jira/browse/YARN-5816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Kanter updated YARN-5816:
--------------------------------
Attachment: YARN-5816.001.patch
Like many flakey tests, this issue is due to timing. The test is expecting a
token to be canceled, and it is, but some of the assert statements need more
time before they can pass. The patch adds some {{waitFor}} blocks to help with
this. I ran the test 50 times and it passes every time now. Without the
changes, it would fail pretty much every time for me.
> TestDelegationTokenRenewer#testCancelWithMultipleAppSubmissions is still
> flakey
> -------------------------------------------------------------------------------
>
> Key: YARN-5816
> URL: https://issues.apache.org/jira/browse/YARN-5816
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager, test
> Reporter: Daniel Templeton
> Assignee: Robert Kanter
> Priority: Minor
> Attachments:
> org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer-output.txt,
>
> org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer.txt,
> YARN-5816.001.patch
>
>
> Even after YARN-5057,
> TestDelegationTokenRenewer#testCancelWithMultipleAppSubmissions is still
> flakey:
> {noformat}
> Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 2.796 sec <<<
> FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer
> testCancelWithMultipleAppSubmissions(org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer)
> Time elapsed: 2.307 sec <<< FAILURE!
> java.lang.AssertionError: null
> at org.junit.Assert.fail(Assert.java:86)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at org.junit.Assert.assertTrue(Assert.java:52)
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer.testCancelWithMultipleAppSubmissions(TestDelegationTokenRenewer.java:1260)
> {noformat}
> Note that it's the same error as YARN-5057, but on a different line.
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