Hello, I am new to Hadoop and I jus installed on Ubuntu 8.0.4 LTS as per guidance of a web site. I tested it and found working fine. I tried to copy a file but it is giving some error pls help me out
had...@excel-desktop:/usr/local/hadoop/hadoop-0.17.2.1$ bin/hadoop jar hadoop-0.17.2.1-examples.jar wordcount /home/hadoop/Download\ URLs.txt download-output 09/02/02 11:18:59 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 1 time(s). 09/02/02 11:19:00 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 2 time(s). 09/02/02 11:19:01 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 3 time(s). 09/02/02 11:19:02 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 4 time(s). 09/02/02 11:19:04 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 5 time(s). 09/02/02 11:19:05 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 6 time(s). 09/02/02 11:19:06 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 7 time(s). 09/02/02 11:19:07 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 8 time(s). 09/02/02 11:19:08 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 9 time(s). 09/02/02 11:19:09 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 10 time(s). java.lang.RuntimeException: java.net.ConnectException: Connection refused at org.apache.hadoop.mapred.JobConf.getWorkingDirecto ry(JobConf.java:356) at org.apache.hadoop.mapred.FileInputFormat.setInputP aths(FileInputFormat.java:331) at org.apache.hadoop.mapred.FileInputFormat.setInputP aths(FileInputFormat.java:304) at org.apache.hadoop.examples.WordCount.run(WordCount .java:146) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.j ava:65) at org.apache.hadoop.examples.WordCount.main(WordCoun t.java:155) at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.apache.hadoop.util.ProgramDriver$ProgramDescri ption.invoke(ProgramDriver.java:6 at org.apache.hadoop.util.ProgramDriver.driver(Progra mDriver.java:139) at org.apache.hadoop.examples.ExampleDriver.main(Exam pleDriver.java:53) at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.apache.hadoop.util.RunJar.main(RunJar.java:155 ) at org.apache.hadoop.mapred.JobShell.run(JobShell.jav a:194) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.j ava:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.j ava:79) at org.apache.hadoop.mapred.JobShell.main(JobShell.ja va:220) Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketC hannelImpl.java:592) at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.jav a:11 at org.apache.hadoop.ipc.Client$Connection.setupIOstr eams(Client.java:174) at org.apache.hadoop.ipc.Client.getConnection(Client. java:623) at org.apache.hadoop.ipc.Client.call(Client.java:546) at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java: 212) at org.apache.hadoop.dfs.$Proxy0.getProtocolVersion(U nknown Source) at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:313) at org.apache.hadoop.dfs.DFSClient.createRPCNamenode( DFSClient.java:102) at org.apache.hadoop.dfs.DFSClient.<init>(DFSClient.j ava:17 at org.apache.hadoop.dfs.DistributedFileSystem.initia lize(DistributedFileSystem.java:6 at org.apache.hadoop.fs.FileSystem.createFileSystem(F ileSystem.java:1280) at org.apache.hadoop.fs.FileSystem.access$300(FileSys tem.java:56) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSyst em.java:1291) at org.apache.hadoop.fs.FileSystem.get(FileSystem.jav a:203) at org.apache.hadoop.fs.FileSystem.get(FileSystem.jav a:10 at org.apache.hadoop.mapred.JobConf.getWorkingDirecto ry(JobConf.java:352) -- View this message in context: http://www.nabble.com/Not-able-to-copy-a-file-to-HDFS-after-installing-tp21845768p21845768.html Sent from the Hadoop core-user mailing list archive at Nabble.com.
