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https://issues.apache.org/jira/browse/YARN-4838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haibo Chen resolved YARN-4838.
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Resolution: Duplicate
> TestLogAggregationService. testLocalFileDeletionOnDiskFull failed
> -----------------------------------------------------------------
>
> Key: YARN-4838
> URL: https://issues.apache.org/jira/browse/YARN-4838
> Project: Hadoop YARN
> Issue Type: Test
> Components: log-aggregation
> Reporter: Haibo Chen
> Assignee: Haibo Chen
>
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService
> testLocalFileDeletionOnDiskFull failed
> 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.nodemanager.containermanager.logaggregation.TestLogAggregationService.verifyLocalFileDeletion(TestLogAggregationService.java:232)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService.testLocalFileDeletionOnDiskFull(TestLogAggregationService.java:288)
> The failure is caused by the time issue of DeletionService. DeletionService
> runs its only thread pool to delete files. When verfiyLocalFileDeletion()
> method checks file existence, it is possible that the FileDeletionTask has
> been executed by the thread pool in DeletionService.
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