Add hosts and ip address in /etc/hosts. It may work. On Tue, Jan 19, 2010 at 8:34 PM, ZUBAIR MIAN <[email protected]> wrote:
> Dear all > > I am facing problem wrt the datanode(at slave). In the log file of slave i > am getting following message: > "Call to master/192.168.0.1:54310 failed on local exception: > java.net.NoRouteToHostException: No route to host at > org.apache.hadoop.ipc.Client.wrapException" > I am currently working on two node cluster. The network is working fine. > Both machines can ping each other. > > And Following is the log file of datanode. > > > STARTUP_MSG: Starting DataNode > STARTUP_MSG: host = slave/192.168.0.2 > STARTUP_MSG: args = [] > STARTUP_MSG: version = 0.20.1 > STARTUP_MSG: build = > http://svn.apache.org/repos/asf/hadoop/common/tags/release-0.20.1-rc1 -r > 810220; compiled by 'oom' on Tue Sep 1 20:55:56 UTC 2009 > ************************************************************/ > 2010-01-15 18:50:56,435 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 0 time(s). > 2010-01-15 18:50:57,436 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 1 time(s). > 2010-01-15 18:50:58,437 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 2 time(s). > 2010-01-15 18:50:59,438 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 3 time(s). > 2010-01-15 18:51:00,439 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 4 time(s). > 2010-01-15 18:51:01,440 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 5 time(s). > 2010-01-15 18:51:02,441 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 6 time(s). > 2010-01-15 18:51:03,443 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 7 time(s). > 2010-01-15 18:51:04,444 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 8 time(s). > 2010-01-15 18:51:05,445 INFO org.apache.hadoop.ipc.Client: Retrying connect > to server: master/192.168.0.1:54310. Already tried 9 time(s). > 2010-01-15 18:51:05,449 ERROR > org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Call > to master/192.168.0.1:54310 failed on local exception: > java.net.NoRouteToHostException: No route to host > at org.apache.hadoop.ipc.Client.wrapException(Client.java:774) > at org.apache.hadoop.ipc.Client.call(Client.java:742) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220) > at $Proxy4.getProtocolVersion(Unknown Source) > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359) > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:346) > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:383) > at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:314) > at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:291) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:269) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:216) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1283) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1238) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1246) > at > org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1368) > Caused by: java.net.NoRouteToHostException: No route to host > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592) > at > org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) > at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404) > at org.apache.hadoop.ipc.Client$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:859) > at org.apache.hadoop.ipc.Client.call(Client.java:719) > ... 13 more > 2010-01-15 18:51:05,451 INFO > org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG: > /************************************************************ > SHUTDOWN_MSG: Shutting down DataNode at slave/192.168.0.2 > ************************************************************/ > > Please help me asap. > > regards > maria > > > >
