also check your other file like /etc/hosts On Thu, Nov 25, 2010 at 10:36 AM, rahul patodi <patodira...@gmail.com>wrote:
> i think you should check your configuration file in the conf folder and add > the required entry in > core-site.xml, mapred-site.xml and hdfs-site.xml > for pseudo distributed mode you can refer: > http://hadoop-tutorial.blogspot.com/2010/11/running-hadoop-in-pseudo-distributed.html > for distributed mode you can refer: > http://hadoop-tutorial.blogspot.com/2010/11/running-hadoop-in-distributed-mode.html > > if you are using cloudera you can refer: > http://cloudera-tutorial.blogspot.com/ > > if you have any problem please leave a comment > > > -- > -Thanks and Regards, > Rahul Patodi > Associate Software Engineer, > Impetus Infotech (India) Private Limited, > www.impetus.com > Mob:09907074413 > > On Thu, Nov 25, 2010 at 10:23 AM, 祝美祺 <henhaozhume...@gmail.com> wrote: > >> Hi , >> i am using 0.20.2.. when i try to start hadoop,the namenode ,datanode >> works will ,but i can't submit jobs.i look at the logs ,and find >> the error like: >> >> 2010-11-25 12:38:02,623 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 0 time(s). >> 2010-11-25 12:38:03,626 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 1 time(s). >> 2010-11-25 12:38:04,627 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 2 time(s). >> 2010-11-25 12:38:05,629 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 3 time(s). >> 2010-11-25 12:38:06,631 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 4 time(s). >> 2010-11-25 12:38:07,636 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 5 time(s). >> 2010-11-25 12:38:08,641 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 6 time(s). >> 2010-11-25 12:38:09,644 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 7 time(s). >> 2010-11-25 12:38:10,645 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 8 time(s). >> 2010-11-25 12:38:11,649 INFO org.apache.hadoop.ipc.Client: Retrying >> connect to server: localhost/127.0.0.1:9000. Already tried 9 time(s). >> 2010-11-25 12:38:11,651 ERROR org.apache.hadoop.mapred.TaskTracker: Caught >> exception: java.net.ConnectException: Call to localhost/127.0.0.1:9000failed >> on connection exception: java.net.ConnectException: Connection >> refused >> at org.apache.hadoop.ipc.Client.wrapException(Client.java:767) >> at org.apache.hadoop.ipc.Client.call(Client.java:743) >> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220) >> at $Proxy5.getProtocolVersion(Unknown Source) >> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359) >> at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:106) >> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:207) >> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:170) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:82) >> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378) >> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) >> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:196) >> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:175) >> at >> org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:1033) >> at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:1720) >> at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:2833) >> Caused by: java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592) >> at >> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) >> at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404) >> at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:304) >> at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:176) >> at org.apache.hadoop.ipc.Client.getConnection(Client.java:860) >> at org.apache.hadoop.ipc.Client.call(Client.java:720) >> ... 15 more >> >> Who can tell me how to solve this problem? >> >> > > >
