I had the same problem on Linux and virtual machines... No idea if its because of the VMs or co-incidence but changing to a lower port number fixed it for me. Something was blocking the higher port numbers.
<property> <name>fs.default.name</name> <value>hdfs://9.30.195.14:310</value> </property> <property> <name>mapred.job.tracker</name> <value>9.30.195.14:311</value> </property> On Tue, Jun 30, 2009 at 3:07 PM, Stefan Podkowinski <[email protected]>wrote: > Is the namenode running on 134.130.223.85:9000 ? Can you access the > network port from your host machine? Try a tool like netcat or telnet > to make sure the network port is really accessible. Also make sure > password-less ssh works from the host to all virtual machines. > > > On Mon, Jun 29, 2009 at 6:44 PM, C J<[email protected]> wrote: > > Help help help, > > > > I am a new user, it has been already 2-3 weeks that I am trying to run > > Hadoop 0.18.3. > > > > > > *My settings:* > > > > 1. > > > > I am on LINUX > > 2. > > > > Using the Java 1.6.0 > > 3. > > > > I have unpacked the hadoop-0.18.3 folder directly on the desktop > > > > > > *Working steps:* > > > > 1. > > > > I have succeeded to run it on the local > > 2. > > > > I went through the quick start tutorial and managed to operate > > > > Hadoop in the standalone and the Pseudo-distributed motes > > 3. > > > > I started going through the map/reduce tutorial and managed to > > > > run the WordCount v1.0 with a standalone operation. > > > > > > *Current status:* > > > > 1. > > > > I would like to run the WordCount v1.0 example on a distributed > operation > > 2. > > > > I went through the steps in the cluster setup tutorial and did the > > following: > > > > > > - > > > > On a distant server I am running 4 virtual machines: > > > > 134.130.223.58:1 > > > > 134.130.223.72:1 > > > > 134.130.223.85:1 > > > > 134.130.223.92:1 > > - > > > > My own machine has the following ip address > > > > 134.130.222.54 > > - > > > > The hadoop-en.sh file is the same on all the five machines: > > > > *export HADOOP_HEAPSIZE=500* > > > > *export JAVA_HOME="/usr/java/jdk1.6.0_14"* > > > > *export HADOOP_NAMENODE_OPTS="-Dcom.sun.management.jmxremote > > $HADOOP_NAMENODE_OPTS"* > > > > *export HADOOP_SECONDARYNAMENODE_OPTS="-Dcom.sun.management.jmxremote > > $HADOOP_SECONDARYNAMENODE_OPTS"* > > > > *export HADOOP_DATANODE_OPTS="-Dcom.sun.management.jmxremote * > > > > *$HADOOP_DATANODE_OPTS"*** > > > > *export HADOOP_BALANCER_OPTS="-Dcom.sun.management.jmxremote * > > > > *$HADOOP_BALANCER_OPTS"*** > > > > *export HADOOP_JOBTRACKER_OPTS="-Dcom.sun.management.jmxremote * > > > > *$HADOOP_JOBTRACKER_OPTS"*** > > > > *export HADOOP_HOME="/root/Desktop/hadoop-0.18.3"* > > > > *export HADOOP_VERSION="0.18.3"* > > > > *export HADOOP_LOG_DIR=${HADOOP_HOME}/logs*** > > > > - > > > > The hadoop-site.xml is the same on all the five machines: > > > > *<?xml version="1.0"?>* > > > > *<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>* > > > > *<!-- Put site-specific property overrides in this file. -->* > > > > *<configuration>* > > > > * <property>* > > > > * Hadoop Quickstart* > > > > * Page 3* > > > > * Copyright © 2007 The Apache Software Foundation. All rights > reserved.* > > > > * <name>fs.default.name</name>* > > > > * <value>134.130.223.85:9000</value>* > > > > * </property>* > > > > * <property>* > > > > * <name>mapred.job.tracker</name>* > > > > * <value>134.130.223.58:1</value>* > > > > * </property>* > > > > * <property>* > > > > * <name>dfs.name.dir</name>* > > > > * <value>/root/Desktop/hadoop-0.18.3/logstina</value>* > > > > * </property>* > > > > * <property>* > > > > * <name>dfs.data.dir</name>* > > > > * <value>/root/Desktop/hadoop-0.18.3/blockstina</value>* > > > > * </property>* > > > > * <property>* > > > > * <name>mapred.system.dir</name>* > > > > * <value>systemtina</value>* > > > > * </property>* > > > > * <property>* > > > > * <name>mapred.local.dir</name>* > > > > * <value>/root/Desktop/hadoop-0.18.3/tempMapReducetina</value>* > > > > * </property>* > > > > *</configuration> * > > > > > > > > > > > > - > > > > The slaves file is the same on all five machines and contains: > > > > 134.130.223.72 > > > > 134.130.222.54 > > > > 134.130.223.92 > > - > > > > from the Namenode machine 134.130.223.85 I have formatted a new > namenode, > > started the hdfs (bin/start-dfs.sh) and started the Map-reduce > > (bin/start-mapred.sh) > > > > > > *Problem:* > > > > Since the jar file of the WordCount was already created (by the local > > operation) in the folder > > > > usr/tina, I tried running directly the application similarly to local > > operation by typing > > > > *$bin/hadoop jar usr/tina/wordcount.jar org.myorg.WordCount > > usr/tina/wordcount/input usr/tina/wordcount/output.* > > > > Then I got the following error: > > > > > > > > *09/06/29 19:38:05 WARN fs.FileSystem: "134.130.223.85:9000" is a > > deprecated filesystem name. Use "hdfs://134.130.223.85:9000/" instead.* > > > > *09/06/29 19:38:06 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 0 time(s).* > > > > *09/06/29 19:38:07 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 1 time(s).* > > > > *09/06/29 19:38:08 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 2 time(s).* > > > > *09/06/29 19:38:09 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 3 time(s).* > > > > *09/06/29 19:38:10 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 4 time(s).* > > > > *09/06/29 19:38:11 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 5 time(s).* > > > > *09/06/29 19:38:12 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 6 time(s).* > > > > *09/06/29 19:38:13 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 7 time(s).* > > > > *09/06/29 19:38:14 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 8 time(s).* > > > > *09/06/29 19:38:15 INFO ipc.Client: Retrying connect to server: / > > 134.130.223.85:9000. Already tried 9 time(s).* > > > > *java.lang.RuntimeException: java.net.ConnectException: Call to / > > 134.130.223.85:9000 failed on connection exception: > > java.net.ConnectException: Connection refused* > > > > *at > org.apache.hadoop.mapred.JobConf.getWorkingDirectory(JobConf.java:358)** > > * > > > > *at > > > org.apache.hadoop.mapred.FileInputFormat.setInputPaths(FileInputFormat.java:377) > > *** > > > > *at org.myorg.WordCount.main(WordCount.java:53)*** > > > > *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.util.RunJar.main(RunJar.java:155)*** > > > > *at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)*** > > > > *at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)*** > > > > *at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)*** > > > > *at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)*** > > > > *Caused by: java.net.ConnectException: Call to /134.130.223.85:9000failed > > on connection exception: java.net.ConnectException: Connection refused* > > > > *at org.apache.hadoop.ipc.Client.wrapException(Client.java:743)*** > > > > *at org.apache.hadoop.ipc.Client.call(Client.java:719)*** > > > > *at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)*** > > > > *at org.apache.hadoop.dfs.$Proxy0.getProtocolVersion(Unknown Source)*** > > > > *at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:348)*** > > > > *at > org.apache.hadoop.dfs.DFSClient.createRPCNamenode(DFSClient.java:103)*** > > > > *at org.apache.hadoop.dfs.DFSClient.<init>(DFSClient.java:172)*** > > > > *at > > > org.apache.hadoop.dfs.DistributedFileSystem.initialize(DistributedFileSystem.java:67) > > *** > > > > *at > org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1339)** > > * > > > > *at org.apache.hadoop.fs.FileSystem.access$300(FileSystem.java:56)*** > > > > *at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1351)*** > > > > *at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:213)*** > > > > *at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:118)*** > > > > *at > org.apache.hadoop.mapred.JobConf.getWorkingDirectory(JobConf.java:354)** > > * > > > > *... 11 more*** > > > > *Caused by: java.net.ConnectException: Connection refused* > > > > *at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)*** > > > > *at > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)** > > * > > > > *at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)*** > > > > *at > org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:301)* > > ** > > > > *at > org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:178)*** > > > > *at org.apache.hadoop.ipc.Client.getConnection(Client.java:820)*** > > > > *at org.apache.hadoop.ipc.Client.call(Client.java:705)*** > > > > *... 23 more*** > > > > > > > > > > * Questions*** > > > > 1. > > > > Can someone help me in solving/debugging this problem? > > > > P.S: I have tried to stop the HDFS with bin/stop-dfs.sh before > > > > starting new ones. > > > > > > Thank you, > > > > Kristeen > > >
