The exception is remote and seems to indicate that your RS is running as the 'hbase' user. RS will attempt to do a mv/rename operation when you provide it a bulkloadable file, which will then be attempted as the user the RS itself runs as - thereby this error.
On Thu, Jan 24, 2013 at 6:39 AM, anil gupta <[email protected]> wrote: > Hi All, > > I am generating HFiles by running the bulk loader with a custom mapper. > Once the MR job for generating HFile is finished, I trigger the loading of > HFiles into HBase with the help of following java code: > ToolRunner.run(new LoadIncrementalHFiles(HBaseConfiguration.create()), new > String[]{conf.get("importtsv.bulk.output"), otherArgs[0]}); > > However, while loading i am getting errors related to permissions since the > loading is being attempted by "hbase" user even though the process(java > program) was started by "root". This seems like a bug since the loading of > data into HBase should also be done as "root". Is there any for only using > "hbase" user while loading? > HBase cluster is not secured. I am using 0.92.1 and its fully distributed > cluster. Please help me in resolving this error. > > Here is the error message: > 13/01/23 17:02:16 WARN mapreduce.LoadIncrementalHFiles: Skipping > non-directory hdfs://ihubcluster/tmp/hfile_txn_subset/_SUCCESS > 13/01/23 17:02:16 INFO hfile.CacheConfig: Allocating LruBlockCache with > maximum size 241.7m > 13/01/23 17:02:16 INFO mapreduce.LoadIncrementalHFiles: Trying to load > hfile=hdfs://ihubcluster/tmp/hfile_txn_subset/t/344d58edc7d74e7b9a35ef5e1bf906cc > first=\x00\x0F(\xC7F\xAD2\xB4\x00\x00\x02\x87\xE1\xB9\x9F\x18\x00\x0C\x1E\x1A\x00\x00\x01<j\x14\x95d > last=\x00\x12\xA4\xC6$IP\x9D\x00\x00\x02\x88+\x11\xD2 > \x00\x0C\x1E\x1A\x00\x00\x01<j\x14\x04A > 13/01/23 17:02:55 ERROR mapreduce.LoadIncrementalHFiles: Encountered > unrecoverable error from region server > org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after > attempts=10, exceptions: > Wed Jan 23 17:02:16 PST 2013, > org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles$3@7b4189d0, > org.apache.hadoop.security.AccessControlException: > org.apache.hadoop.security.AccessControlException: Permission denied: > user=hbase, access=WRITE, > inode="/tmp/hfile_txn_subset/t":root:hadoop:drwxr-xr-x > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:205) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:186) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:138) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:4265) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkParentAccess(FSNamesystem.java:4231) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.renameToInternal(FSNamesystem.java:2347) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.renameTo(FSNamesystem.java:2315) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.rename(NameNodeRpcServer.java:579) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.rename(ClientNamenodeProtocolServerSideTranslatorPB.java:374) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:42612) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:427) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:916) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1692) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1688) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1232) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1686) > > at sun.reflect.GeneratedConstructorAccessor21.newInstance(Unknown > Source) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) > at java.lang.reflect.Constructor.newInstance(Constructor.java:513) > at > org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:90) > at > org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57) > at org.apache.hadoop.hdfs.DFSClient.rename(DFSClient.java:1237) > at > org.apache.hadoop.hdfs.DistributedFileSystem.rename(DistributedFileSystem.java:294) > at > org.apache.hadoop.hbase.regionserver.StoreFile.rename(StoreFile.java:640) > at > org.apache.hadoop.hbase.regionserver.Store.bulkLoadHFile(Store.java:420) > at > org.apache.hadoop.hbase.regionserver.HRegion.bulkLoadHFiles(HRegion.java:2803) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.bulkLoadHFiles(HRegionServer.java:2417) > at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:364) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1336) > > -- > Thanks & Regards, > Anil Gupta -- Harsh J
