[ 
https://issues.apache.org/jira/browse/YARN-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14589878#comment-14589878
 ] 

Jason Lowe commented on YARN-3812:
----------------------------------

I don't think this is the correct fix.  RollingLevelDBTimelineStore is using an 
immutable permission to specify the umask.  If the proposed fix is to make it 
mutable, then that implies we're allowing a constant to be modified by the 
filesystem.  If this permission were passed to multiple subsystems, having it 
magically mutate by one subsystem using it is probably not the correct approach.

Instead it appears to be a problem with ImmutableFsPermission.  It prevents 
applyUmask from being invoked, but in reality applyUmask does not modify the 
permission object -- it returns a new permission object instead.  Therefore I 
think the real bug is that ImmutableFsPermission is preventing applyUmask from 
being invoked.

> TestRollingLevelDBTimelineStore fails in trunk due to HADOOP-11347
> ------------------------------------------------------------------
>
>                 Key: YARN-3812
>                 URL: https://issues.apache.org/jira/browse/YARN-3812
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.0.0
>            Reporter: Robert Kanter
>            Assignee: Bibin A Chundatt
>         Attachments: 0001-YARN-3812.patch
>
>
> {{TestRollingLevelDBTimelineStore}} is failing with the below errors in 
> trunk.  I did a git bisect and found that it was due to HADOOP-11347, which 
> changed something with umasks in {{FsPermission}}.
> {noformat}
> Running org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore
> Tests run: 16, Failures: 0, Errors: 16, Skipped: 0, Time elapsed: 2.65 sec 
> <<< FAILURE! - in 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore
> testGetDomains(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 1.533 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testRelatingToNonExistingEntity(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.085 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testValidateConfig(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.07 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetEntitiesWithPrimaryFilters(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.061 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testRelatingToOldEntityWithoutDomainId(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.055 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testRootDirPermission(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.056 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetSingleEntity(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.05 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testCacheSizes(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.051 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetEntities(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.049 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testRelatingToEntityInSamePut(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.056 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetDomain(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.049 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetEvents(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.049 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetEntitiesWithSecondaryFilters(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.05 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testCheckVersion(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.05 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetEntitiesWithFromId(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.055 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> testGetEntitiesWithFromTs(org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore)
>   Time elapsed: 0.049 sec  <<< ERROR!
> java.lang.UnsupportedOperationException: null
>       at 
> org.apache.hadoop.fs.permission.FsPermission$ImmutableFsPermission.applyUMask(FsPermission.java:380)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:496)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:551)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:529)
>       at 
> org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:314)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.initFileSystem(RollingLevelDB.java:207)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDB.init(RollingLevelDB.java:200)
>       at 
> org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(RollingLevelDBTimelineStore.java:321)
>       at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>       at 
> org.apache.hadoop.yarn.server.timeline.TestRollingLevelDBTimelineStore.setup(TestRollingLevelDBTimelineStore.java:65)
> Results :
> Tests in error: 
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
>   TestRollingLevelDBTimelineStore.setup:65 » UnsupportedOperation
> Tests run: 16, Failures: 0, Errors: 16, Skipped: 0
> {noformat}



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