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https://issues.apache.org/jira/browse/YARN-5057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-5057:
-----------------------------
Attachment: YARN-5057.001.patch
There's a race in the test. MockRM.finishAMAndVerifyAppState only waits until
the app is in a completed state, but the delegation token renewer can still be
processing an asynchronous event associated with that completion. If the test
tries to look at the renewer state before that event has been completely
processed then tests can fail.
Here's a patch that changes each instance of MockRM.finishAMAndVerifyAppState
in the test with a method that will do that and also wait for the specified
token to stop being referenced by the application that is completing.
> resourcemanager.security.TestDelegationTokenRenewer fails in trunk
> ------------------------------------------------------------------
>
> Key: YARN-5057
> URL: https://issues.apache.org/jira/browse/YARN-5057
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Yongjun Zhang
> Attachments: YARN-5057.001.patch
>
>
> The following test seems to fail easily if not always:
> {code}
> -------------------------------------------------------
> T E S T S
> -------------------------------------------------------
> Running
> org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer
> Tests run: 14, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 42.996 sec
> <<< FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer
> testCancelWithMultipleAppSubmissions(org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer)
> Time elapsed: 0.382 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.assertFalse(Assert.java:64)
> at org.junit.Assert.assertFalse(Assert.java:74)
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer.testCancelWithMultipleAppSubmissions(TestDelegationTokenRenewer.java:1134)
> {code}
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