Here's the log from the datanode: 2009-01-30 14:54:18,019 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: rndpc1/171.69.102.51:9000. Already tried 8 time(s). 2009-01-30 14:54:19,022 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: rndpc1/171.69.102.51:9000. Already tried 9 time(s). 2009-01-30 14:54:19,026 ERROR org.apache.hadoop.dfs.DataNode: java.io.IOException: Call failed on local exception at org.apache.hadoop.ipc.Client.call(Client.java:718) at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216) at org.apache.hadoop.dfs.$Proxy4.getProtocolVersion(Unknown Source) at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:319) at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:306) at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:343) at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:288) at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:277) at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:223) at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:3031) at org.apache.hadoop.dfs.DataNode.instantiateDataNode(DataNode.java:2986) at org.apache.hadoop.dfs.DataNode.createDataNode(DataNode.java:2994) at org.apache.hadoop.dfs.DataNode.main(DataNode.java:3116) Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source) at sun.nio.ch.SocketAdaptor.connect(Unknown Source) at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:300) at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:177) at org.apache.hadoop.ipc.Client.getConnection(Client.java:789) at org.apache.hadoop.ipc.Client.call(Client.java:704) ... 12 more
What do I need to do for this? Amandeep Amandeep Khurana Computer Science Graduate Student University of California, Santa Cruz On Fri, Jan 30, 2009 at 2:49 PM, Amandeep Khurana <ama...@gmail.com> wrote: > Hi, > > I am a new user and was setting up the HDFS on 3 nodes as of now. I could > get them to run individual pseudo distributed setups but am unable to get > the cluster going together. The site localhost:50070 shows me that there are > no datanodes. > > I kept the same hadoop-site.xml as the pseudodistributed setup on the > master node and added the slaves to the list of slaves in the conf > directory. Thereafter, I ran the start-dfs.sh and start-mapred.sh scripts. > > Am I missing something out? > > Amandeep > > > Amandeep Khurana > Computer Science Graduate Student > University of California, Santa Cruz >