Hi, I have filsystem error. when i run fsck to move corrupted blocks i get the following error after stopping services i get the below error. but if i don't start the services and run the fsck command the corrupted block doesn't move. I am not getting this Usergroupinformation error. it is looking permission error. Can any body fix it . It is an urgent issue on my hadoop machine. It is a standalone cluster configured using the below link
https://ccp.cloudera.com/display/CDH4DOC/Installing+CDH4+on+a+Single+Linux+Node+in+Pseudo-distributed+Mode Error =================================================== # sudo -u hdfs hadoop fsck / -move DEPRECATED: Use of this script to execute hdfs command is deprecated. Instead use the hdfs command for it. 13/03/29 01:20:20 ERROR security.UserGroupInformation: PriviledgedActionException as:hdfs (auth:SIMPLE) cause:java.net.ConnectException: Call From OPERA-MAST1.ny.os.local/ 172.20.3.119 to localhost:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused Exception in thread "main" java.net.ConnectException: Call From OPERA-MAST1.ny.os.local/172.20.3.119 to localhost:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:721) at org.apache.hadoop.ipc.Client.call(Client.java:1228) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202) at $Proxy9.getFileInfo(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:164) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83) at $Proxy9.getFileInfo(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:628) at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1507) at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:783) at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1257) at org.apache.hadoop.hdfs.HAUtil.getAddressOfActive(HAUtil.java:298) at org.apache.hadoop.hdfs.tools.DFSck.getCurrentNamenodeAddress(DFSck.java:229) at org.apache.hadoop.hdfs.tools.DFSck.doWork(DFSck.java:235) at org.apache.hadoop.hdfs.tools.DFSck.access$000(DFSck.java:71) at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:134) at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:131) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1332) at org.apache.hadoop.hdfs.tools.DFSck.run(DFSck.java:130) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) at org.apache.hadoop.hdfs.tools.DFSck.main(DFSck.java:316) Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:207) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:523) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:488) at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:498) at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:592) at org.apache.hadoop.ipc.Client$Connection.access$2000(Client.java:240) at org.apache.hadoop.ipc.Client.getConnection(Client.java:1277) at org.apache.hadoop.ipc.Client.call(Client.java:1195) ... 26 more
