Hi Harsh, Thanks for the heads up. My git repository was out of date. HBASSE-4708 solved the problem. Thanks again.
regards, Eric On Nov 8, 2011, at 6:49 PM, Harsh J wrote: > This was https://issues.apache.org/jira/browse/HBASE-4510 but was reverted. > Are you sure you are using the latest 0.92 HEAD? > > Revert ticket was https://issues.apache.org/jira/browse/HBASE-4708 > > On 09-Nov-2011, at 4:10 AM, Eric Yang wrote: > >> Hi all, >> >> HBase 0.92 branch is setting permission of / to 755 before HBase Master can >> start. This triggers a permission denied error, when HBase user is >> different from HDFS user. The stack trace of this exception: >> >> hbase master log file: >> >> 2011-11-08 14:15:25,716 FATAL org.apache.hadoop.hbase.master.HMaster: >> Unhandled exception. Starting shutdown. >> org.apache.hadoop.security.AccessControlException: >> org.apache.hadoop.security.AccessControlException: Permission denied >> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native >> Method) >> at >> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) >> 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:95) >> at >> org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57) >> at org.apache.hadoop.hdfs.DFSClient.setPermission(DFSClient.java:922) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem.setPermission(DistributedFileSystem.java:515) >> at org.apache.hadoop.hbase.util.FSUtils.isInSafeMode(FSUtils.java:168) >> at >> org.apache.hadoop.hbase.util.FSUtils.waitOnSafeMode(FSUtils.java:456) >> at >> org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:301) >> at >> org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:127) >> at >> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:112) >> at >> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:426) >> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:309) >> at java.lang.Thread.run(Thread.java:662) >> Caused by: org.apache.hadoop.ipc.RemoteException: >> org.apache.hadoop.security.AccessControlException: Permission denied >> at >> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkOwner(FSPermissionChecker.java:149) >> at >> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:140) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:5164) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOwner(FSNamesystem.java:5123) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setPermission(FSNamesystem.java:845) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.setPermission(NameNode.java:653) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384) >> at java.security.AccessController.doPrivileged(Native Method) >> at javax.security.auth.Subject.doAs(Subject.java:396) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) >> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382) >> >> at org.apache.hadoop.ipc.Client.call(Client.java:1066) >> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) >> at $Proxy10.setPermission(Unknown Source) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82) >> at >> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59) >> at $Proxy10.setPermission(Unknown Source) >> at org.apache.hadoop.hdfs.DFSClient.setPermission(DFSClient.java:920) >> ... 9 more >> >> namenode log: >> >> 2011-11-08 14:15:25,713 INFO org.apache.hadoop.ipc.Server: IPC Server >> handler 4 on 8020, call setPermission(/, rwxr-xr-x) from 127.0.0.1:55838: >> error: org.apache.hadoop.security.AccessControlException: Permission denied >> org.apache.hadoop.security.AccessControlException: Permission denied >> at >> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkOwner(FSPermissionChecker.java:149) >> at >> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:140) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:5164) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOwner(FSNamesystem.java:5123) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setPermission(FSNamesystem.java:845) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.setPermission(NameNode.java:653) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384) >> at java.security.AccessController.doPrivileged(Native Method) >> at javax.security.auth.Subject.doAs(Subject.java:396) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) >> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382) >> >> What is the reason of setting permission of "/" to 755? In theory, HDFS has >> been setup with a /apps/hbase directory, and set proper permission for hbase >> to interact only in /apps/hbase directory. Does this assumption work? >> >> regards, >> Eric >
