Per your jps, you don't have a DataNode running. > hduser@sujit:~/Desktop/data$ ups > 6022 NameNode > 7100 Jps > 6569 JobTracker > 6798 TaskTracker > 6491 SecondaryNameNode
Please read http://wiki.apache.org/hadoop/CouldOnlyBeReplicatedTo to solve this. You most likely need to also read: http://search-hadoop.com/m/l4JWggvLE2 On Mon, Apr 2, 2012 at 10:58 PM, Sujit Dhamale <sujitdhamal...@gmail.com> wrote: > Getting RemoteException: while copying data from Local machine to HDFS > > Hadoop version : hadoop-0.20.203.0rc1.tar > Operaring Syatem : ubuntu 11.10 > > hduser@sujit:~/Desktop/data$ jps > 6022 NameNode > 7100 Jps > 6569 JobTracker > 6798 TaskTracker > 6491 SecondaryNameNode > hduser@sujit:~/Desktop/data$ > > > > hduser@sujit:~/Desktop/data$ ls > pg20417.txt pg4300.txt pg5000.txt > > > hduser@sujit:~/Desktop/hadoop/bin$ hadoop dfs -copyFromLocal > /home/hduser/Desktop/data /user/hduser/data > 12/04/02 22:51:37 WARN hdfs.DFSClient: DataStreamer Exception: > org.apache.hadoop.ipc.RemoteException: java.io.IOException: File > /user/hduser/data/pg20417.txt could only be replicated to 0 nodes, instead > of 1 > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1417) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:596) > at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1383) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1379) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1377) > > at org.apache.hadoop.ipc.Client.call(Client.java:1030) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:224) > at $Proxy1.addBlock(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 $Proxy1.addBlock(Unknown Source) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:3104) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2975) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2255) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2446) > > 12/04/02 22:51:37 WARN hdfs.DFSClient: Error Recovery for block null bad > datanode[0] nodes == null > 12/04/02 22:51:37 WARN hdfs.DFSClient: Could not get block locations. > Source file "/user/hduser/data/pg20417.txt" - Aborting... > copyFromLocal: java.io.IOException: File /user/hduser/data/pg20417.txt > could only be replicated to 0 nodes, instead of 1 > 12/04/02 22:51:37 ERROR hdfs.DFSClient: Exception closing file > /user/hduser/data/pg20417.txt : org.apache.hadoop.ipc.RemoteException: > java.io.IOException: File /user/hduser/data/pg20417.txt could only be > replicated to 0 nodes, instead of 1 > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1417) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:596) > at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1383) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1379) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1377) > > org.apache.hadoop.ipc.RemoteException: java.io.IOException: File > /user/hduser/data/pg20417.txt could only be replicated to 0 nodes, instead > of 1 > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1417) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:596) > at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1383) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1379) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1377) > > at org.apache.hadoop.ipc.Client.call(Client.java:1030) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:224) > at $Proxy1.addBlock(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 $Proxy1.addBlock(Unknown Source) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:3104) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2975) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2255) > at > org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2446) > hduser@sujit:~/Desktop/hadoop/bin -- Harsh J
