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https://issues.apache.org/jira/browse/YARN-5652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15490519#comment-15490519
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Jason Lowe commented on YARN-5652:
----------------------------------
Looks closely related to YARN-4893 and YARN-5318. YARN-4893 added a
drainEvents to MockRM's registerNode, but in this case the test is calling
MockNM's registerNode method which appears to have no corresponding drainEvents
invocation.
> testRefreshNodesResourceWithResourceReturnInRegistration fails intermittently
> -----------------------------------------------------------------------------
>
> Key: YARN-5652
> URL: https://issues.apache.org/jira/browse/YARN-5652
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
> Reporter: Jason Lowe
>
> Saw the following in a recent precommit:
> {noformat}
> Running org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService
> Tests run: 25, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 18.639 sec
> <<< FAILURE! - in
> org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService
> testRefreshNodesResourceWithResourceReturnInRegistration(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService)
> Time elapsed: 0.763 sec <<< FAILURE!
> org.junit.ComparisonFailure: expected:<<memory:[4096, vCores:4]>> but
> was:<<memory:[2048, vCores:2]>>
> at org.junit.Assert.assertEquals(Assert.java:115)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testRefreshNodesResourceWithResourceReturnInRegistration(TestRMAdminService.java:286)
> {noformat}
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