For more details, see https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java11-linux-x86_64/66/
[Nov 22, 2020 1:49:56 AM] (noreply) HDFS-15690. Add lz4-java as test dependency (#2481) -1 overall The following subsystems voted -1: blanks findbugs mvnsite pathlen unit xml The following subsystems voted -1 but were configured to be filtered/ignored: cc checkstyle javac javadoc pylint shellcheck shelldocs The following subsystems are considered long running: (runtime bigger than 1h 0m 0s) unit Specific tests: XML : Parsing Error(s): hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-excerpt.xml hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-missing-tags.xml hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-missing-tags2.xml hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-sample-output.xml hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/fair-scheduler-invalid.xml hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/yarn-site-with-invalid-allocation-file-ref.xml findbugs : module:hadoop-common-project/hadoop-common Nullcheck of cc at line 457 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension$EncryptedKeyVersion) At KeyProviderCryptoExtension.java:457 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension$EncryptedKeyVersion) At KeyProviderCryptoExtension.java:[line 457] Nullcheck of cc at line 368 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.reencryptEncryptedKeys(List) At KeyProviderCryptoExtension.java:368 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.reencryptEncryptedKeys(List) At KeyProviderCryptoExtension.java:[line 368] Nullcheck of scope at line 3457 of value previously dereferenced in org.apache.hadoop.fs.FileSystem.createFileSystem(URI, Configuration) At FileSystem.java:3457 of value previously dereferenced in org.apache.hadoop.fs.FileSystem.createFileSystem(URI, Configuration) At FileSystem.java:[line 3457] Nullcheck of out at line 1834 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, CharSequence, Charset) At FileUtil.java:1834 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, CharSequence, Charset) At FileUtil.java:[line 1834] Nullcheck of out at line 1769 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, Iterable, Charset) At FileUtil.java:1769 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, Iterable, Charset) At FileUtil.java:[line 1769] Nullcheck of out at line 1697 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, byte[]) At FileUtil.java:1697 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, byte[]) At FileUtil.java:[line 1697] Nullcheck of out at line 1803 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, CharSequence, Charset) At FileUtil.java:1803 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, CharSequence, Charset) At FileUtil.java:[line 1803] Nullcheck of out at line 1731 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, Iterable, Charset) At FileUtil.java:1731 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, Iterable, Charset) At FileUtil.java:[line 1731] Nullcheck of out at line 1669 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, byte[]) At FileUtil.java:1669 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, byte[]) At FileUtil.java:[line 1669] Nullcheck of in at line 376 of value previously dereferenced in org.apache.hadoop.fs.RawLocalFileSystem.concat(Path, Path[]) At RawLocalFileSystem.java:376 of value previously dereferenced in org.apache.hadoop.fs.RawLocalFileSystem.concat(Path, Path[]) At RawLocalFileSystem.java:[line 376] Nullcheck of in at line 106 of value previously dereferenced in org.apache.hadoop.fs.shell.CopyCommands$Merge.processArguments(LinkedList) At CopyCommands.java:106 of value previously dereferenced in org.apache.hadoop.fs.shell.CopyCommands$Merge.processArguments(LinkedList) At CopyCommands.java:[line 106] Nullcheck of fs at line 65 of value previously dereferenced in org.apache.hadoop.fs.viewfs.HCFSMountTableConfigLoader.load(String, Configuration) At HCFSMountTableConfigLoader.java:65 of value previously dereferenced in org.apache.hadoop.fs.viewfs.HCFSMountTableConfigLoader.load(String, Configuration) At HCFSMountTableConfigLoader.java:[line 65] Nullcheck of channel at line 430 of value previously dereferenced in org.apache.hadoop.io.IOUtils.fsync(File) At IOUtils.java:430 of value previously dereferenced in org.apache.hadoop.io.IOUtils.fsync(File) At IOUtils.java:[line 430] Nullcheck of stream at line 389 of value previously dereferenced in org.apache.hadoop.io.IOUtils.listDirectory(File, FilenameFilter) At IOUtils.java:389 of value previously dereferenced in org.apache.hadoop.io.IOUtils.listDirectory(File, FilenameFilter) At IOUtils.java:[line 389] Redundant nullcheck of is, which is known to be non-null in org.apache.hadoop.util.ApplicationClassLoader.<static initializer for ApplicationClassLoader>() Redundant null check at ApplicationClassLoader.java:is known to be non-null in org.apache.hadoop.util.ApplicationClassLoader.<static initializer for ApplicationClassLoader>() Redundant null check at ApplicationClassLoader.java:[line 79] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.util.JsonSerialization.fromResource(String) Redundant null check at JsonSerialization.java:is known to be non-null in org.apache.hadoop.util.JsonSerialization.fromResource(String) Redundant null check at JsonSerialization.java:[line 213] Nullcheck of dataInputStream at line 248 of value previously dereferenced in org.apache.hadoop.util.JsonSerialization.load(FileSystem, Path) At JsonSerialization.java:248 of value previously dereferenced in org.apache.hadoop.util.JsonSerialization.load(FileSystem, Path) At JsonSerialization.java:[line 248] Nullcheck of in at line 204 of value previously dereferenced in org.apache.hadoop.util.RunJar.unJar(File, File, Pattern) At RunJar.java:204 of value previously dereferenced in org.apache.hadoop.util.RunJar.unJar(File, File, Pattern) At RunJar.java:[line 204] findbugs : module:hadoop-common-project Nullcheck of cc at line 457 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension$EncryptedKeyVersion) At KeyProviderCryptoExtension.java:457 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension$EncryptedKeyVersion) At KeyProviderCryptoExtension.java:[line 457] Nullcheck of cc at line 368 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.reencryptEncryptedKeys(List) At KeyProviderCryptoExtension.java:368 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.reencryptEncryptedKeys(List) At KeyProviderCryptoExtension.java:[line 368] Nullcheck of scope at line 3457 of value previously dereferenced in org.apache.hadoop.fs.FileSystem.createFileSystem(URI, Configuration) At FileSystem.java:3457 of value previously dereferenced in org.apache.hadoop.fs.FileSystem.createFileSystem(URI, Configuration) At FileSystem.java:[line 3457] Nullcheck of out at line 1834 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, CharSequence, Charset) At FileUtil.java:1834 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, CharSequence, Charset) At FileUtil.java:[line 1834] Nullcheck of out at line 1769 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, Iterable, Charset) At FileUtil.java:1769 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, Iterable, Charset) At FileUtil.java:[line 1769] Nullcheck of out at line 1697 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, byte[]) At FileUtil.java:1697 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, byte[]) At FileUtil.java:[line 1697] Nullcheck of out at line 1803 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, CharSequence, Charset) At FileUtil.java:1803 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, CharSequence, Charset) At FileUtil.java:[line 1803] Nullcheck of out at line 1731 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, Iterable, Charset) At FileUtil.java:1731 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, Iterable, Charset) At FileUtil.java:[line 1731] Nullcheck of out at line 1669 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, byte[]) At FileUtil.java:1669 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, byte[]) At FileUtil.java:[line 1669] Nullcheck of in at line 376 of value previously dereferenced in org.apache.hadoop.fs.RawLocalFileSystem.concat(Path, Path[]) At RawLocalFileSystem.java:376 of value previously dereferenced in org.apache.hadoop.fs.RawLocalFileSystem.concat(Path, Path[]) At RawLocalFileSystem.java:[line 376] Nullcheck of in at line 106 of value previously dereferenced in org.apache.hadoop.fs.shell.CopyCommands$Merge.processArguments(LinkedList) At CopyCommands.java:106 of value previously dereferenced in org.apache.hadoop.fs.shell.CopyCommands$Merge.processArguments(LinkedList) At CopyCommands.java:[line 106] Nullcheck of fs at line 65 of value previously dereferenced in org.apache.hadoop.fs.viewfs.HCFSMountTableConfigLoader.load(String, Configuration) At HCFSMountTableConfigLoader.java:65 of value previously dereferenced in org.apache.hadoop.fs.viewfs.HCFSMountTableConfigLoader.load(String, Configuration) At HCFSMountTableConfigLoader.java:[line 65] Nullcheck of channel at line 430 of value previously dereferenced in org.apache.hadoop.io.IOUtils.fsync(File) At IOUtils.java:430 of value previously dereferenced in org.apache.hadoop.io.IOUtils.fsync(File) At IOUtils.java:[line 430] Nullcheck of stream at line 389 of value previously dereferenced in org.apache.hadoop.io.IOUtils.listDirectory(File, FilenameFilter) At IOUtils.java:389 of value previously dereferenced in org.apache.hadoop.io.IOUtils.listDirectory(File, FilenameFilter) At IOUtils.java:[line 389] Redundant nullcheck of is, which is known to be non-null in org.apache.hadoop.util.ApplicationClassLoader.<static initializer for ApplicationClassLoader>() Redundant null check at ApplicationClassLoader.java:is known to be non-null in org.apache.hadoop.util.ApplicationClassLoader.<static initializer for ApplicationClassLoader>() Redundant null check at ApplicationClassLoader.java:[line 79] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.util.JsonSerialization.fromResource(String) Redundant null check at JsonSerialization.java:is known to be non-null in org.apache.hadoop.util.JsonSerialization.fromResource(String) Redundant null check at JsonSerialization.java:[line 213] Nullcheck of dataInputStream at line 248 of value previously dereferenced in org.apache.hadoop.util.JsonSerialization.load(FileSystem, Path) At JsonSerialization.java:248 of value previously dereferenced in org.apache.hadoop.util.JsonSerialization.load(FileSystem, Path) At JsonSerialization.java:[line 248] Nullcheck of in at line 204 of value previously dereferenced in org.apache.hadoop.util.RunJar.unJar(File, File, Pattern) At RunJar.java:204 of value previously dereferenced in org.apache.hadoop.util.RunJar.unJar(File, File, Pattern) At RunJar.java:[line 204] findbugs : module:hadoop-hdfs-project/hadoop-hdfs-client Nullcheck of in at line 236 of value previously dereferenced in org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(long, byte[], int, int) At ByteRangeInputStream.java:236 of value previously dereferenced in org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(long, byte[], int, int) At ByteRangeInputStream.java:[line 236] findbugs : module:hadoop-hdfs-project/hadoop-hdfs Nullcheck of iterator at line 302 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.createSnapshot(InMemoryAliasMap) At InMemoryAliasMap.java:302 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.createSnapshot(InMemoryAliasMap) At InMemoryAliasMap.java:[line 302] Nullcheck of iterator at line 138 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.list(Optional) At InMemoryAliasMap.java:138 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.list(Optional) At InMemoryAliasMap.java:[line 138] Nullcheck of dirStream at line 621 of value previously dereferenced in org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.checkEmptyCurrent() At Storage.java:621 of value previously dereferenced in org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.checkEmptyCurrent() At Storage.java:[line 621] Nullcheck of pair at line 623 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.checksumBlock(ExtendedBlock, int, Token, DatanodeInfo) At BlockChecksumHelper.java:623 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.checksumBlock(ExtendedBlock, int, Token, DatanodeInfo) At BlockChecksumHelper.java:[line 623] Nullcheck of instr at line 1182 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockReceiver.computePartialChunkCrc(long, long) At BlockReceiver.java:1182 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockReceiver.computePartialChunkCrc(long, long) At BlockReceiver.java:[line 1182] Redundant nullcheck of oldLock, which is known to be non-null in org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory) Redundant null check at DataStorage.java:is known to be non-null in org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory) Redundant null check at DataStorage.java:[line 694] Nullcheck of volumes at line 601 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getVolumeReports() At DirectoryScanner.java:601 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getVolumeReports() At DirectoryScanner.java:[line 601] Nullcheck of volumeReferences at line 214 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DiskBalancer.getFsVolume(FsDatasetSpi, String) At DiskBalancer.java:214 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DiskBalancer.getFsVolume(FsDatasetSpi, String) At DiskBalancer.java:[line 214] Nullcheck of dataIn at line 1233 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.computeChecksum(ReplicaInfo, File, int, Configuration) At FsDatasetImpl.java:1233 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.computeChecksum(ReplicaInfo, File, int, Configuration) At FsDatasetImpl.java:[line 1233] Nullcheck of ref at line 243 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskAsyncLazyPersistService$ReplicaLazyPersistTask.run() At RamDiskAsyncLazyPersistService.java:243 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskAsyncLazyPersistService$ReplicaLazyPersistTask.run() At RamDiskAsyncLazyPersistService.java:[line 243] Nullcheck of beforeStream at line 131 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:131 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:[line 131] Nullcheck of planStream at line 162 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:162 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:[line 162] findbugs : module:hadoop-hdfs-project Nullcheck of iterator at line 302 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.createSnapshot(InMemoryAliasMap) At InMemoryAliasMap.java:302 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.createSnapshot(InMemoryAliasMap) At InMemoryAliasMap.java:[line 302] Nullcheck of iterator at line 138 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.list(Optional) At InMemoryAliasMap.java:138 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.list(Optional) At InMemoryAliasMap.java:[line 138] Nullcheck of dirStream at line 621 of value previously dereferenced in org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.checkEmptyCurrent() At Storage.java:621 of value previously dereferenced in org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.checkEmptyCurrent() At Storage.java:[line 621] Nullcheck of pair at line 623 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.checksumBlock(ExtendedBlock, int, Token, DatanodeInfo) At BlockChecksumHelper.java:623 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.checksumBlock(ExtendedBlock, int, Token, DatanodeInfo) At BlockChecksumHelper.java:[line 623] Nullcheck of instr at line 1182 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockReceiver.computePartialChunkCrc(long, long) At BlockReceiver.java:1182 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockReceiver.computePartialChunkCrc(long, long) At BlockReceiver.java:[line 1182] Redundant nullcheck of oldLock, which is known to be non-null in org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory) Redundant null check at DataStorage.java:is known to be non-null in org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory) Redundant null check at DataStorage.java:[line 694] Nullcheck of volumes at line 601 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getVolumeReports() At DirectoryScanner.java:601 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getVolumeReports() At DirectoryScanner.java:[line 601] Nullcheck of volumeReferences at line 214 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DiskBalancer.getFsVolume(FsDatasetSpi, String) At DiskBalancer.java:214 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DiskBalancer.getFsVolume(FsDatasetSpi, String) At DiskBalancer.java:[line 214] Nullcheck of dataIn at line 1233 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.computeChecksum(ReplicaInfo, File, int, Configuration) At FsDatasetImpl.java:1233 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.computeChecksum(ReplicaInfo, File, int, Configuration) At FsDatasetImpl.java:[line 1233] Nullcheck of ref at line 243 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskAsyncLazyPersistService$ReplicaLazyPersistTask.run() At RamDiskAsyncLazyPersistService.java:243 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskAsyncLazyPersistService$ReplicaLazyPersistTask.run() At RamDiskAsyncLazyPersistService.java:[line 243] Nullcheck of beforeStream at line 131 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:131 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:[line 131] Nullcheck of planStream at line 162 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:162 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:[line 162] Nullcheck of in at line 236 of value previously dereferenced in org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(long, byte[], int, int) At ByteRangeInputStream.java:236 of value previously dereferenced in org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(long, byte[], int, int) At ByteRangeInputStream.java:[line 236] findbugs : module:hadoop-yarn-project/hadoop-yarn Nullcheck of out at line 536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:[line 536] Nullcheck of out at line 519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:[line 519] Nullcheck of out at line 509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 509] Nullcheck of out at line 512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 512] Nullcheck of out at line 500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 500] Nullcheck of out at line 503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 503] Nullcheck of out at line 439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:[line 439] Nullcheck of out at line 510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:[line 510] Nullcheck of it at line 103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:[line 103] Nullcheck of rasIterator at line 371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 371] Nullcheck of rcsIterator at line 380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 380] Nullcheck of containerScriptOutStream at line 341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 341] Nullcheck of keystoreOutStream at line 291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 291] Nullcheck of truststoreOutStream at line 309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 309] Nullcheck of stream at line 182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:[line 182] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 343] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 356] Nullcheck of it at line 307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:[line 307] Nullcheck of batch at line 1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:[line 1433] Nullcheck of batch at line 464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:[line 464] Nullcheck of it at line 96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:[line 96] Nullcheck of it at line 94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:[line 94] Nullcheck of batch at line 596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:[line 596] Nullcheck of batch at line 637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:[line 637] Nullcheck of batch at line 655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:[line 655] Nullcheck of batch at line 746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:[line 746] Nullcheck of batch at line 622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:[line 622] Nullcheck of in at line 268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:[line 268] Nullcheck of out at line 258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:[line 258] Nullcheck of entityIterator at line 176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:[line 131] Nullcheck of iterator at line 1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:[line 1503] Nullcheck of iterator at line 1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:[line 1733] Nullcheck of iterator at line 1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:[line 1742] Nullcheck of iterator at line 429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:[line 429] Nullcheck of iterator at line 737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:[line 737] Nullcheck of iterator at line 607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:[line 607] Nullcheck of domainWriteBatch at line 1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1645] Nullcheck of ownerWriteBatch at line 1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1646] Nullcheck of localFS at line 294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:[line 294] Boxed value is unboxed and then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:[line 333] Nullcheck of fs at line 75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:[line 75] Nullcheck of results at line 95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:[line 95] Nullcheck of os at line 401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:[line 401] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:[line 123] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common Nullcheck of out at line 536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:[line 536] Nullcheck of out at line 519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:[line 519] Nullcheck of out at line 509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 509] Nullcheck of out at line 512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 512] Nullcheck of out at line 500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 500] Nullcheck of out at line 503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 503] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server Nullcheck of out at line 439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:[line 439] Nullcheck of out at line 510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:[line 510] Nullcheck of it at line 103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:[line 103] Nullcheck of rasIterator at line 371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 371] Nullcheck of rcsIterator at line 380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 380] Nullcheck of containerScriptOutStream at line 341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 341] Nullcheck of keystoreOutStream at line 291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 291] Nullcheck of truststoreOutStream at line 309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 309] Nullcheck of stream at line 182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:[line 182] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 343] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 356] Nullcheck of it at line 307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:[line 307] Nullcheck of batch at line 1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:[line 1433] Nullcheck of batch at line 464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:[line 464] Nullcheck of it at line 96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:[line 96] Nullcheck of it at line 94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:[line 94] Nullcheck of batch at line 596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:[line 596] Nullcheck of batch at line 637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:[line 637] Nullcheck of batch at line 655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:[line 655] Nullcheck of batch at line 746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:[line 746] Nullcheck of batch at line 622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:[line 622] Nullcheck of in at line 268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:[line 268] Nullcheck of out at line 258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:[line 258] Nullcheck of entityIterator at line 176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:[line 131] Nullcheck of iterator at line 1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:[line 1503] Nullcheck of iterator at line 1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:[line 1733] Nullcheck of iterator at line 1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:[line 1742] Nullcheck of iterator at line 429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:[line 429] Nullcheck of iterator at line 737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:[line 737] Nullcheck of iterator at line 607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:[line 607] Nullcheck of domainWriteBatch at line 1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1645] Nullcheck of ownerWriteBatch at line 1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1646] Nullcheck of localFS at line 294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:[line 294] Boxed value is unboxed and then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:[line 333] Nullcheck of fs at line 75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:[line 75] Nullcheck of results at line 95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:[line 95] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager Nullcheck of out at line 439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:[line 439] Nullcheck of out at line 510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:[line 510] Nullcheck of it at line 103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:[line 103] Nullcheck of rasIterator at line 371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 371] Nullcheck of rcsIterator at line 380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 380] Nullcheck of containerScriptOutStream at line 341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 341] Nullcheck of keystoreOutStream at line 291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 291] Nullcheck of truststoreOutStream at line 309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 309] Nullcheck of stream at line 182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:[line 182] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 343] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 356] Nullcheck of it at line 307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:[line 307] Nullcheck of batch at line 1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:[line 1433] Nullcheck of batch at line 464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:[line 464] Nullcheck of it at line 96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:[line 96] Nullcheck of it at line 94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:[line 94] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice Nullcheck of entityIterator at line 176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:[line 131] Nullcheck of iterator at line 1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:[line 1503] Nullcheck of iterator at line 1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:[line 1733] Nullcheck of iterator at line 1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:[line 1742] Nullcheck of iterator at line 429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:[line 429] Nullcheck of iterator at line 737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:[line 737] Nullcheck of iterator at line 607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:[line 607] Nullcheck of domainWriteBatch at line 1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1645] Nullcheck of ownerWriteBatch at line 1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1646] Nullcheck of localFS at line 294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:[line 294] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager Nullcheck of batch at line 596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:[line 596] Nullcheck of batch at line 637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:[line 637] Nullcheck of batch at line 655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:[line 655] Nullcheck of batch at line 746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:[line 746] Nullcheck of batch at line 622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:[line 622] Nullcheck of in at line 268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:[line 268] Nullcheck of out at line 258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:[line 258] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase Boxed value is unboxed and then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:[line 333] Nullcheck of fs at line 75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:[line 75] Nullcheck of results at line 95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:[line 95] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/hadoop-yarn-server-timelineservice-hbase-client Boxed value is unboxed and then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:[line 333] Nullcheck of fs at line 75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:[line 75] Nullcheck of results at line 95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:[line 95] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications Nullcheck of os at line 401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:[line 401] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:[line 123] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services Nullcheck of os at line 401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:[line 401] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:[line 123] findbugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core Nullcheck of os at line 401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:[line 401] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:[line 123] findbugs : module:hadoop-yarn-project Nullcheck of out at line 536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:[line 536] Nullcheck of out at line 519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:[line 519] Nullcheck of out at line 509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 509] Nullcheck of out at line 512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 512] Nullcheck of out at line 500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 500] Nullcheck of out at line 503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 503] Nullcheck of out at line 439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:[line 439] Nullcheck of out at line 510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:[line 510] Nullcheck of it at line 103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:[line 103] Nullcheck of rasIterator at line 371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 371] Nullcheck of rcsIterator at line 380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 380] Nullcheck of containerScriptOutStream at line 341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 341] Nullcheck of keystoreOutStream at line 291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 291] Nullcheck of truststoreOutStream at line 309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 309] Nullcheck of stream at line 182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:[line 182] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 343] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 356] Nullcheck of it at line 307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:[line 307] Nullcheck of batch at line 1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:[line 1433] Nullcheck of batch at line 464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:[line 464] Nullcheck of it at line 96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:[line 96] Nullcheck of it at line 94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:[line 94] Nullcheck of batch at line 596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:[line 596] Nullcheck of batch at line 637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:[line 637] Nullcheck of batch at line 655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:[line 655] Nullcheck of batch at line 746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:[line 746] Nullcheck of batch at line 622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:[line 622] Nullcheck of in at line 268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:[line 268] Nullcheck of out at line 258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:[line 258] Nullcheck of entityIterator at line 176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:[line 131] Nullcheck of iterator at line 1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:[line 1503] Nullcheck of iterator at line 1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:[line 1733] Nullcheck of iterator at line 1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:[line 1742] Nullcheck of iterator at line 429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:[line 429] Nullcheck of iterator at line 737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:[line 737] Nullcheck of iterator at line 607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:[line 607] Nullcheck of domainWriteBatch at line 1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1645] Nullcheck of ownerWriteBatch at line 1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1646] Nullcheck of localFS at line 294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:[line 294] Boxed value is unboxed and then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:[line 333] Nullcheck of fs at line 75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:[line 75] Nullcheck of results at line 95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:[line 95] Nullcheck of os at line 401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:[line 401] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:[line 123] findbugs : module:hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra Nullcheck of fsdis at line 152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:[line 152] findbugs : module:hadoop-tools/hadoop-dynamometer Nullcheck of fsdis at line 152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:[line 152] findbugs : module:hadoop-tools/hadoop-openstack Load of known null value in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) At HttpResponseUtils.java:in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) At HttpResponseUtils.java:[line 70] Redundant nullcheck of instream, which is known to be non-null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:is known to be non-null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:[line 52] Redundant nullcheck of instream which is known to be null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:is known to be null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:[line 70] findbugs : module:hadoop-tools/hadoop-aws Nullcheck of s3AFileSystem at line 304 of value previously dereferenced in org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.checkIfS3BucketIsGuarded(List) At S3GuardTool.java:304 of value previously dereferenced in org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.checkIfS3BucketIsGuarded(List) At S3GuardTool.java:[line 304] findbugs : module:hadoop-tools/hadoop-azure Load of known null value in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:[line 469] Redundant nullcheck of stream, which is known to be non-null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:is known to be non-null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:[line 436] Redundant nullcheck of stream which is known to be null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:is known to be null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:[line 469] Nullcheck of jp at line 443 of value previously dereferenced in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:443 of value previously dereferenced in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:[line 443] findbugs : module:hadoop-tools/hadoop-fs2img Nullcheck of out at line 328 of value previously dereferenced in org.apache.hadoop.hdfs.server.namenode.ImageWriter.writeMD5(String) At ImageWriter.java:328 of value previously dereferenced in org.apache.hadoop.hdfs.server.namenode.ImageWriter.writeMD5(String) At ImageWriter.java:[line 328] findbugs : module:hadoop-tools Load of known null value in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:[line 469] Redundant nullcheck of stream, which is known to be non-null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:is known to be non-null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:[line 436] Redundant nullcheck of stream which is known to be null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:is known to be null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:[line 469] Nullcheck of jp at line 443 of value previously dereferenced in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:443 of value previously dereferenced in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:[line 443] Nullcheck of s3AFileSystem at line 304 of value previously dereferenced in org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.checkIfS3BucketIsGuarded(List) At S3GuardTool.java:304 of value previously dereferenced in org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.checkIfS3BucketIsGuarded(List) At S3GuardTool.java:[line 304] Load of known null value in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) At HttpResponseUtils.java:in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) At HttpResponseUtils.java:[line 70] Redundant nullcheck of instream, which is known to be non-null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:is known to be non-null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:[line 52] Redundant nullcheck of instream which is known to be null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:is known to be null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:[line 70] Nullcheck of out at line 328 of value previously dereferenced in org.apache.hadoop.hdfs.server.namenode.ImageWriter.writeMD5(String) At ImageWriter.java:328 of value previously dereferenced in org.apache.hadoop.hdfs.server.namenode.ImageWriter.writeMD5(String) At ImageWriter.java:[line 328] Nullcheck of fsdis at line 152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:[line 152] findbugs : module:root Nullcheck of cc at line 457 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension$EncryptedKeyVersion) At KeyProviderCryptoExtension.java:457 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension$EncryptedKeyVersion) At KeyProviderCryptoExtension.java:[line 457] Nullcheck of cc at line 368 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.reencryptEncryptedKeys(List) At KeyProviderCryptoExtension.java:368 of value previously dereferenced in org.apache.hadoop.crypto.key.KeyProviderCryptoExtension$DefaultCryptoExtension.reencryptEncryptedKeys(List) At KeyProviderCryptoExtension.java:[line 368] Nullcheck of scope at line 3457 of value previously dereferenced in org.apache.hadoop.fs.FileSystem.createFileSystem(URI, Configuration) At FileSystem.java:3457 of value previously dereferenced in org.apache.hadoop.fs.FileSystem.createFileSystem(URI, Configuration) At FileSystem.java:[line 3457] Nullcheck of out at line 1834 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, CharSequence, Charset) At FileUtil.java:1834 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, CharSequence, Charset) At FileUtil.java:[line 1834] Nullcheck of out at line 1769 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, Iterable, Charset) At FileUtil.java:1769 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, Iterable, Charset) At FileUtil.java:[line 1769] Nullcheck of out at line 1697 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, byte[]) At FileUtil.java:1697 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileContext, Path, byte[]) At FileUtil.java:[line 1697] Nullcheck of out at line 1803 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, CharSequence, Charset) At FileUtil.java:1803 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, CharSequence, Charset) At FileUtil.java:[line 1803] Nullcheck of out at line 1731 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, Iterable, Charset) At FileUtil.java:1731 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, Iterable, Charset) At FileUtil.java:[line 1731] Nullcheck of out at line 1669 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, byte[]) At FileUtil.java:1669 of value previously dereferenced in org.apache.hadoop.fs.FileUtil.write(FileSystem, Path, byte[]) At FileUtil.java:[line 1669] Nullcheck of in at line 376 of value previously dereferenced in org.apache.hadoop.fs.RawLocalFileSystem.concat(Path, Path[]) At RawLocalFileSystem.java:376 of value previously dereferenced in org.apache.hadoop.fs.RawLocalFileSystem.concat(Path, Path[]) At RawLocalFileSystem.java:[line 376] Load of known null value in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:[line 469] Redundant nullcheck of stream, which is known to be non-null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:is known to be non-null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:[line 436] Redundant nullcheck of stream which is known to be null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:is known to be null in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() Redundant null check at AbfsHttpOperation.java:[line 469] Nullcheck of jp at line 443 of value previously dereferenced in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:443 of value previously dereferenced in org.apache.hadoop.fs.azurebfs.services.AbfsHttpOperation.processStorageErrorResponse() At AbfsHttpOperation.java:[line 443] Nullcheck of s3AFileSystem at line 304 of value previously dereferenced in org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.checkIfS3BucketIsGuarded(List) At S3GuardTool.java:304 of value previously dereferenced in org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.checkIfS3BucketIsGuarded(List) At S3GuardTool.java:[line 304] Nullcheck of in at line 106 of value previously dereferenced in org.apache.hadoop.fs.shell.CopyCommands$Merge.processArguments(LinkedList) At CopyCommands.java:106 of value previously dereferenced in org.apache.hadoop.fs.shell.CopyCommands$Merge.processArguments(LinkedList) At CopyCommands.java:[line 106] Load of known null value in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) At HttpResponseUtils.java:in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) At HttpResponseUtils.java:[line 70] Redundant nullcheck of instream, which is known to be non-null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:is known to be non-null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:[line 52] Redundant nullcheck of instream which is known to be null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:is known to be null in org.apache.hadoop.fs.swift.util.HttpResponseUtils.getResponseBody(HttpResponse) Redundant null check at HttpResponseUtils.java:[line 70] Nullcheck of fs at line 65 of value previously dereferenced in org.apache.hadoop.fs.viewfs.HCFSMountTableConfigLoader.load(String, Configuration) At HCFSMountTableConfigLoader.java:65 of value previously dereferenced in org.apache.hadoop.fs.viewfs.HCFSMountTableConfigLoader.load(String, Configuration) At HCFSMountTableConfigLoader.java:[line 65] Nullcheck of iterator at line 302 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.createSnapshot(InMemoryAliasMap) At InMemoryAliasMap.java:302 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.createSnapshot(InMemoryAliasMap) At InMemoryAliasMap.java:[line 302] Nullcheck of iterator at line 138 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.list(Optional) At InMemoryAliasMap.java:138 of value previously dereferenced in org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMap.list(Optional) At InMemoryAliasMap.java:[line 138] Nullcheck of dirStream at line 621 of value previously dereferenced in org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.checkEmptyCurrent() At Storage.java:621 of value previously dereferenced in org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.checkEmptyCurrent() At Storage.java:[line 621] Nullcheck of pair at line 623 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.checksumBlock(ExtendedBlock, int, Token, DatanodeInfo) At BlockChecksumHelper.java:623 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockChecksumHelper$BlockGroupNonStripedChecksumComputer.checksumBlock(ExtendedBlock, int, Token, DatanodeInfo) At BlockChecksumHelper.java:[line 623] Nullcheck of instr at line 1182 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockReceiver.computePartialChunkCrc(long, long) At BlockReceiver.java:1182 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.BlockReceiver.computePartialChunkCrc(long, long) At BlockReceiver.java:[line 1182] Redundant nullcheck of oldLock, which is known to be non-null in org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory) Redundant null check at DataStorage.java:is known to be non-null in org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory) Redundant null check at DataStorage.java:[line 694] Nullcheck of volumes at line 601 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getVolumeReports() At DirectoryScanner.java:601 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getVolumeReports() At DirectoryScanner.java:[line 601] Nullcheck of volumeReferences at line 214 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DiskBalancer.getFsVolume(FsDatasetSpi, String) At DiskBalancer.java:214 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.DiskBalancer.getFsVolume(FsDatasetSpi, String) At DiskBalancer.java:[line 214] Nullcheck of dataIn at line 1233 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.computeChecksum(ReplicaInfo, File, int, Configuration) At FsDatasetImpl.java:1233 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.computeChecksum(ReplicaInfo, File, int, Configuration) At FsDatasetImpl.java:[line 1233] Nullcheck of ref at line 243 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskAsyncLazyPersistService$ReplicaLazyPersistTask.run() At RamDiskAsyncLazyPersistService.java:243 of value previously dereferenced in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskAsyncLazyPersistService$ReplicaLazyPersistTask.run() At RamDiskAsyncLazyPersistService.java:[line 243] Nullcheck of beforeStream at line 131 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:131 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:[line 131] Nullcheck of planStream at line 162 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:162 of value previously dereferenced in org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(CommandLine) At PlanCommand.java:[line 162] Nullcheck of out at line 328 of value previously dereferenced in org.apache.hadoop.hdfs.server.namenode.ImageWriter.writeMD5(String) At ImageWriter.java:328 of value previously dereferenced in org.apache.hadoop.hdfs.server.namenode.ImageWriter.writeMD5(String) At ImageWriter.java:[line 328] Nullcheck of in at line 236 of value previously dereferenced in org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(long, byte[], int, int) At ByteRangeInputStream.java:236 of value previously dereferenced in org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(long, byte[], int, int) At ByteRangeInputStream.java:[line 236] Nullcheck of channel at line 430 of value previously dereferenced in org.apache.hadoop.io.IOUtils.fsync(File) At IOUtils.java:430 of value previously dereferenced in org.apache.hadoop.io.IOUtils.fsync(File) At IOUtils.java:[line 430] Nullcheck of stream at line 389 of value previously dereferenced in org.apache.hadoop.io.IOUtils.listDirectory(File, FilenameFilter) At IOUtils.java:389 of value previously dereferenced in org.apache.hadoop.io.IOUtils.listDirectory(File, FilenameFilter) At IOUtils.java:[line 389] Nullcheck of fsdis at line 152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:152 of value previously dereferenced in org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(String[]) At SimulatedDataNodes.java:[line 152] Redundant nullcheck of is, which is known to be non-null in org.apache.hadoop.util.ApplicationClassLoader.<static initializer for ApplicationClassLoader>() Redundant null check at ApplicationClassLoader.java:is known to be non-null in org.apache.hadoop.util.ApplicationClassLoader.<static initializer for ApplicationClassLoader>() Redundant null check at ApplicationClassLoader.java:[line 79] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.util.JsonSerialization.fromResource(String) Redundant null check at JsonSerialization.java:is known to be non-null in org.apache.hadoop.util.JsonSerialization.fromResource(String) Redundant null check at JsonSerialization.java:[line 213] Nullcheck of dataInputStream at line 248 of value previously dereferenced in org.apache.hadoop.util.JsonSerialization.load(FileSystem, Path) At JsonSerialization.java:248 of value previously dereferenced in org.apache.hadoop.util.JsonSerialization.load(FileSystem, Path) At JsonSerialization.java:[line 248] Nullcheck of in at line 204 of value previously dereferenced in org.apache.hadoop.util.RunJar.unJar(File, File, Pattern) At RunJar.java:204 of value previously dereferenced in org.apache.hadoop.util.RunJar.unJar(File, File, Pattern) At RunJar.java:[line 204] Nullcheck of out at line 536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:536 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat$LogKey, AggregatedLogFormat$LogValue) At AggregatedLogFormat.java:[line 536] Nullcheck of out at line 519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:519 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationACLs(Map) At AggregatedLogFormat.java:[line 519] Nullcheck of out at line 509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:509 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 509] Nullcheck of out at line 512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:512 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeApplicationOwner(String) At AggregatedLogFormat.java:[line 512] Nullcheck of out at line 500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:500 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 500] Nullcheck of out at line 503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:503 of value previously dereferenced in org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.writeVersion() At AggregatedLogFormat.java:[line 503] Nullcheck of out at line 439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:439 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$LocalWrapperScriptBuilder.writeLocalWrapperScript(Path, Path) At DefaultContainerExecutor.java:[line 439] Nullcheck of out at line 510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:510 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor$UnixLocalWrapperScriptBuilder.writeSessionScript(Path, Path) At DefaultContainerExecutor.java:[line 510] Nullcheck of it at line 103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:103 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.DeletionService.recover(NMStateStoreService$RecoveredDeletionServiceState) At DeletionService.java:[line 103] Nullcheck of rasIterator at line 371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:371 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 371] Nullcheck of rcsIterator at line 380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:380 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.recover() At ContainerManagerImpl.java:[line 380] Nullcheck of containerScriptOutStream at line 341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:341 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 341] Nullcheck of keystoreOutStream at line 291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:291 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 291] Nullcheck of truststoreOutStream at line 309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:309 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call() At ContainerLaunch.java:[line 309] Nullcheck of stream at line 182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:182 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.JavaSandboxLinuxContainerRuntime.initializePolicyDir() At JavaSandboxLinuxContainerRuntime.java:[line 182] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 343] Redundant nullcheck of it, which is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:is known to be non-null in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverTrackerResources(LocalResourcesTracker, NMStateStoreService$LocalResourceTrackerState) Redundant null check at ResourceLocalizationService.java:[line 356] Nullcheck of it at line 307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:307 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.recoverLocalizedResources(NMStateStoreService$RecoveredLocalizationState) At ResourceLocalizationService.java:[line 307] Nullcheck of batch at line 1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:1433 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeAssignedResources(Container, String, List) At NMLeveldbStateStoreService.java:[line 1433] Nullcheck of batch at line 464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:464 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainer(ContainerId, int, long, StartContainerRequest) At NMLeveldbStateStoreService.java:[line 464] Nullcheck of it at line 96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:96 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager.recover() At NMContainerTokenSecretManager.java:[line 96] Nullcheck of it at line 94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:94 of value previously dereferenced in org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM.recover() At NMTokenSecretManagerInNM.java:[line 94] Nullcheck of batch at line 596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:596 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeApplicationStateInternal(ApplicationStateData) At LeveldbRMStateStore.java:[line 596] Nullcheck of batch at line 637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:637 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.removeReservationState(String, String) At LeveldbRMStateStore.java:[line 637] Nullcheck of batch at line 655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:655 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeOrUpdateRMDT(RMDelegationTokenIdentifier, Long, boolean) At LeveldbRMStateStore.java:[line 655] Nullcheck of batch at line 746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:746 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeProxyCACertState(X509Certificate, PrivateKey) At LeveldbRMStateStore.java:[line 746] Nullcheck of batch at line 622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:622 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.recovery.LeveldbRMStateStore.storeReservationState(YarnProtos$ReservationAllocationStateProto, String, String) At LeveldbRMStateStore.java:[line 622] Nullcheck of in at line 268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:268 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.getConfigVersion() At FSSchedulerConfigurationStore.java:[line 268] Nullcheck of out at line 258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:258 of value previously dereferenced in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.FSSchedulerConfigurationStore.writeConfigVersion(long) At FSSchedulerConfigurationStore.java:[line 258] Nullcheck of entityIterator at line 176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:176 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.KeyValueBasedTimelineStore.getEntities(String, Long, Long, Long, String, Long, NameValuePair, Collection, EnumSet, TimelineDataManager$CheckAcl) At KeyValueBasedTimelineStore.java:[line 131] Nullcheck of iterator at line 1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:1503 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.evictOldStartTimes(long) At RollingLevelDBTimelineStore.java:[line 1503] Nullcheck of iterator at line 1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:1733 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomain(String) At RollingLevelDBTimelineStore.java:[line 1733] Nullcheck of iterator at line 1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:1742 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getDomains(String) At RollingLevelDBTimelineStore.java:[line 1742] Nullcheck of iterator at line 429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:429 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntity(String, String, EnumSet) At RollingLevelDBTimelineStore.java:[line 429] Nullcheck of iterator at line 737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:737 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityByTime(byte[], String, Long, Long, Long, String, Long, Collection, EnumSet, TimelineDataManager$CheckAcl, boolean) At RollingLevelDBTimelineStore.java:[line 737] Nullcheck of iterator at line 607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:607 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.getEntityTimelines(String, SortedSet, Long, Long, Long, Set) At RollingLevelDBTimelineStore.java:[line 607] Nullcheck of domainWriteBatch at line 1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1645 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1645] Nullcheck of ownerWriteBatch at line 1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:1646 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.put(TimelineDomain) At RollingLevelDBTimelineStore.java:[line 1646] Nullcheck of localFS at line 294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:294 of value previously dereferenced in org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore.serviceInit(Configuration) At RollingLevelDBTimelineStore.java:[line 294] Boxed value is unboxed and then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:then immediately reboxed in org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnRWHelper.readResultsWithTimestamps(Result, byte[], byte[], KeyConverter, ValueConverter, boolean) At ColumnRWHelper.java:[line 333] Nullcheck of fs at line 75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:75 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils.getTimelineServiceHBaseConf(Configuration) At HBaseTimelineStorageUtils.java:[line 75] Nullcheck of results at line 95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:95 of value previously dereferenced in org.apache.hadoop.yarn.server.timelineservice.storage.reader.EntityTypeReader.readEntityTypes(Configuration, Connection) At EntityTypeReader.java:[line 95] Nullcheck of os at line 401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:401 of value previously dereferenced in org.apache.hadoop.yarn.service.provider.ProviderUtils.resolvePropsInConfigFileAndSaveOnHdfs(SliderFileSystem, Map, ComponentInstance, ConfigFile, String, Path) At ProviderUtils.java:[line 401] Redundant nullcheck of resStream, which is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:is known to be non-null in org.apache.hadoop.yarn.service.utils.JsonSerDeser.fromResource(String) Redundant null check at JsonSerDeser.java:[line 123] Failed junit tests : hadoop.yarn.client.api.impl.TestAMRMClient hadoop.yarn.client.TestRMFailoverProxyProvider hadoop.yarn.client.TestNoHaRMFailoverProxyProvider hadoop.yarn.server.timelineservice.reader.TestTimelineReaderWebServicesHBaseStorage hadoop.yarn.server.router.webapp.TestRouterWebServicesREST hadoop.yarn.server.timelineservice.documentstore.TestDocumentStoreCollectionCreator hadoop.yarn.server.timelineservice.documentstore.TestDocumentStoreTimelineReaderImpl hadoop.yarn.server.timelineservice.documentstore.TestDocumentStoreTimelineWriterImpl hadoop.yarn.server.timelineservice.documentstore.writer.cosmosdb.TestCosmosDBDocumentStoreWriter hadoop.yarn.server.timelineservice.documentstore.reader.cosmosdb.TestCosmosDBDocumentStoreReader hadoop.yarn.applications.distributedshell.TestDistributedShell 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