Major Description
cartershanklin reproted the following issue.
When running a backup job with no /user/hbase directory created and writable to hbase, the job will fail. You have to look in the logs to see the specifics of the failure.
The error is obscure:
2016-05-18 00:05:42,616 ERROR [main] util.AbstractHBaseTool: Error running command-line tool java.io.IOException: Failed of exporting snapshot snapshot_1463529938818_default_SYSTEM.CATALOG to /tmp/backup/backup_1463529938254/default/SYSTEM.CATALOG/ with reason code 1 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106) at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95) at org.apache.hadoop.hbase.util.ForeignExceptionUtil.toIOException(ForeignExceptionUtil.java:45) at org.apache.hadoop.hbase.client.HBaseAdmin$TableBackupFuture.convertResult(HBaseAdmin.java:2661) at org.apache.hadoop.hbase.client.HBaseAdmin$TableBackupFuture.convertResult(HBaseAdmin.java:2640) at org.apache.hadoop.hbase.client.HBaseAdmin$ProcedureFuture.waitProcedureResult(HBaseAdmin.java:4537) at org.apache.hadoop.hbase.client.HBaseAdmin$ProcedureFuture.get(HBaseAdmin.java:4471) at org.apache.hadoop.hbase.client.HBaseAdmin.get(HBaseAdmin.java:2618) at org.apache.hadoop.hbase.client.HBaseAdmin.backupTables(HBaseAdmin.java:2634) at org.apache.hadoop.hbase.backup.impl.BackupCommands$CreateCommand.execute(BackupCommands.java:197) at org.apache.hadoop.hbase.backup.BackupDriver.parseAndRun(BackupDriver.java:107) at org.apache.hadoop.hbase.backup.BackupDriver.doWork(BackupDriver.java:122) at org.apache.hadoop.hbase.util.AbstractHBaseTool.run(AbstractHBaseTool.java:112) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) at org.apache.hadoop.hbase.backup.BackupDriver.main(BackupDriver.java:127) Caused by: org.apache.hadoop.ipc.RemoteException(java.io.IOException): Failed of exporting snapshot snapshot_1463529938818_default_SYSTEM.CATALOG to /tmp/backup/backup_1463529938254/default/SYSTEM.CATALOG/ with reason code 1 at org.apache.hadoop.hbase.backup.master.FullTableBackupProcedure.snapshotCopy(FullTableBackupProcedure.java:323) at org.apache.hadoop.hbase.backup.master.FullTableBackupProcedure.executeFromState(FullTableBackupProcedure.java:594) at org.apache.hadoop.hbase.backup.master.FullTableBackupProcedure.executeFromState(FullTableBackupProcedure.java:68) at org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:107) at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:443) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:932) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:736) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:689) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$200(ProcedureExecutor.java:73) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$1.run(ProcedureExecutor.java:416)
Here's what ends up in the logs:
2016-05-18 00:05:41,051 ERROR [ProcedureExecutorThread-1] snapshot.ExportSnapshot: Snapshot export failed org.apache.hadoop.security.AccessControlException: Permission denied: user=hbase, access=WRITE, inode="/user/hbase/.staging":hdfs:hdfs:drwxr-xr-x at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:319) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:292) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:213) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1813) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1797) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1780) at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:71) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4002) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:1098) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:630) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:644) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2268) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2264) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1719) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2262) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106) at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73) at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3066) at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:3034) at org.apache.hadoop.hdfs.DistributedFileSystem$23.doCall(DistributedFileSystem.java:1107) at org.apache.hadoop.hdfs.DistributedFileSystem$23.doCall(DistributedFileSystem.java:1103) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:1103) at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:1096) at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:133) at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:144) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1290) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1287) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1719) at org.apache.hadoop.mapreduce.Job.submit(Job.java:1287) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1308) at org.apache.hadoop.hbase.snapshot.ExportSnapshot.runCopyJob(ExportSnapshot.java:815) at org.apache.hadoop.hbase.snapshot.ExportSnapshot.run(ExportSnapshot.java:1011) at org.apache.hadoop.hbase.backup.mapreduce.MapReduceBackupCopyService.copy(MapReduceBackupCopyService.java:294) at org.apache.hadoop.hbase.backup.master.FullTableBackupProcedure.snapshotCopy(FullTableBackupProcedure.java:318) at org.apache.hadoop.hbase.backup.master.FullTableBackupProcedure.executeFromState(FullTableBackupProcedure.java:594) at org.apache.hadoop.hbase.backup.master.FullTableBackupProcedure.executeFromState(FullTableBackupProcedure.java:68) at org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:107) at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:443) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:932) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:736) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:689) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$200(ProcedureExecutor.java:73) at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$1.run(ProcedureExecutor.java:416) Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): Permission denied: user=hbase, access=WRITE, inode="/user/hbase/.staging":hdfs:hdfs:drwxr-xr-x at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:319) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:292) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:213) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1813) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1797) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1780) at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:71) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4002) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:1098) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:630) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:644) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2268) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2264) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1719) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2262) at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1531) at org.apache.hadoop.ipc.Client.call(Client.java:1481) at org.apache.hadoop.ipc.Client.call(Client.java:1386) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:240) at com.sun.proxy.$Proxy16.mkdirs(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:588) at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:256) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104) at com.sun.proxy.$Proxy17.mkdirs(Unknown Source) at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3064) ... 28 more 2016-05-18 00:05:41,054 ERROR [ProcedureExecutorThread-1] master.FullTableBackupProcedure: Exporting Snapshot snapshot_1463529938818_default_SYSTEM.CATALOG failed with return code: 1.