Antal Bálint Steinbach created YARN-8775:
--------------------------------------------
Summary: TestDiskFailures.testLocalDirsFailures sometimes can fail
on concurrent File modifications
Key: YARN-8775
URL: https://issues.apache.org/jira/browse/YARN-8775
Project: Hadoop YARN
Issue Type: Bug
Components: test, yarn
Affects Versions: 3.0.0
Reporter: Antal Bálint Steinbach
Assignee: Antal Bálint Steinbach
The test can fail sometimes when file operations were done during the check
done by the thread in _LocalDirsHandlerService._
{code:java}
java.lang.AssertionError: NodeManager could not identify disk failure.
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.assertTrue(Assert.java:41)
at
org.apache.hadoop.yarn.server.TestDiskFailures.verifyDisksHealth(TestDiskFailures.java:239)
at
org.apache.hadoop.yarn.server.TestDiskFailures.testDirsFailures(TestDiskFailures.java:202)
at
org.apache.hadoop.yarn.server.TestDiskFailures.testLocalDirsFailures(TestDiskFailures.java:99)
Stderr
2018-09-13 08:21:49,822 INFO [main] server.TestDiskFailures
(TestDiskFailures.java:prepareDirToFail(277)) - Prepared
/tmp/dist-test-taskjUrf0_/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/target/org.apache.hadoop.yarn.server.TestDiskFailures/org.apache.hadoop.yarn.server.TestDiskFailures-logDir-nm-0_1
to fail.
2018-09-13 08:21:49,823 INFO [main] server.TestDiskFailures
(TestDiskFailures.java:prepareDirToFail(277)) - Prepared
/tmp/dist-test-taskjUrf0_/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/target/org.apache.hadoop.yarn.server.TestDiskFailures/org.apache.hadoop.yarn.server.TestDiskFailures-logDir-nm-0_3
to fail.
2018-09-13 08:21:49,823 WARN [DiskHealthMonitor-Timer]
nodemanager.DirectoryCollection (DirectoryCollection.java:checkDirs(283)) -
Directory
/tmp/dist-test-taskjUrf0_/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/target/org.apache.hadoop.yarn.server.TestDiskFailures/org.apache.hadoop.yarn.server.TestDiskFailures-logDir-nm-0_1
error, Not a directory:
/tmp/dist-test-taskjUrf0_/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/target/org.apache.hadoop.yarn.server.TestDiskFailures/org.apache.hadoop.yarn.server.TestDiskFailures-logDir-nm-0_1,
removing from list of valid directories
2018-09-13 08:21:49,824 WARN [DiskHealthMonitor-Timer]
localizer.ResourceLocalizationService
(ResourceLocalizationService.java:initializeLogDir(1329)) - Could not
initialize log dir
/tmp/dist-test-taskjUrf0_/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/target/org.apache.hadoop.yarn.server.TestDiskFailures/org.apache.hadoop.yarn.server.TestDiskFailures-logDir-nm-0_3
java.io.FileNotFoundException: Destination exists and is not a directory:
/tmp/dist-test-taskjUrf0_/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/target/org.apache.hadoop.yarn.server.TestDiskFailures/org.apache.hadoop.yarn.server.TestDiskFailures-logDir-nm-0_3
at
org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:515)
at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:496)
at org.apache.hadoop.fs.FileSystem.primitiveMkdir(FileSystem.java:1081)
at
org.apache.hadoop.fs.DelegateToFileSystem.mkdir(DelegateToFileSystem.java:178)
at org.apache.hadoop.fs.FilterFs.mkdir(FilterFs.java:205)
at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:747)
at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:743)
at org.apache.hadoop.fs.FSLinkResolver.resolve(FSLinkResolver.java:90)
at org.apache.hadoop.fs.FileContext.mkdir(FileContext.java:743)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.initializeLogDir(ResourceLocalizationService.java:1324)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.initializeLogDirs(ResourceLocalizationService.java:1318)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.access$000(ResourceLocalizationService.java:141)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$2.onDirsChanged(ResourceLocalizationService.java:269)
at
org.apache.hadoop.yarn.server.nodemanager.DirectoryCollection.checkDirs(DirectoryCollection.java:317)
at
org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService.checkDirs(LocalDirsHandlerService.java:452)
at
org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService.access$500(LocalDirsHandlerService.java:52)
at
org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService$MonitoringTimerTask.run(LocalDirsHandlerService.java:166)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
2018-09-13 08:21:59,824 INFO [main] server.TestDiskFailures
(TestDiskFailures.java:verifyDisksHealth(237)) - ExpectedDirs=
2018-09-13 08:21:59,825 INFO [main] server.TestDiskFailures
(TestDiskFailures.java:verifyDisksHealth(238)) -
SeenDirs=/tmp/dist-test-taskjUrf0_/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/target/org.apache.hadoop.yarn.server.TestDiskFailures/org.apache.hadoop.yarn.server.TestDiskFailures-logDir-nm-0_3
{code}
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