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From maddy gulati <achilles....@gmail.com>
Subject Problem trying to set up single node cluster on Ubuntu
Date Sat, 28 Apr 2012 20:19:21 GMT
Folks,

I am trying to set up a single node cluster for Hadoop ( version 1.0.1) on
Ubuntu 11.04. After configuring everything, I could not get all the
components to start.

My installation directory for hadoop is /usr/local/hadoop
I followed the following tutorial for the setup :
http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/
Below is the snapshot of my log file:

mandeep@mandeep-System-Product-Name:/var/log/hadoop/mandeep$ cat
hadoop-mandeep-datanode-mandeep-System-Product-Name.log
2012-04-29 01:29:37,240 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting DataNode
STARTUP_MSG:   host = mandeep-System-Product-Name/127.0.1.1
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 1.0.1
STARTUP_MSG:   build =
https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
1243785; compiled by 'hortonfo' on Tue Feb 14 08:15:38 UTC 2012
************************************************************/
2012-04-29 01:29:37,398 INFO org.apache.hadoop.metrics2.impl.MetricsConfig:
loaded properties from hadoop-metrics2.properties
2012-04-29 01:29:37,446 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
MetricsSystem,sub=Stats registered.
2012-04-29 01:29:37,449 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot
period at 10 second(s).
2012-04-29 01:29:37,449 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: DataNode metrics system
started
2012-04-29 01:29:37,583 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source ugi
registered.
2012-04-29 01:29:37,586 WARN
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Source name ugi already
exists!
2012-04-29 01:29:37,615 INFO org.apache.hadoop.util.NativeCodeLoader:
Loaded the native-hadoop library
2012-04-29 01:29:37,701 ERROR
org.apache.hadoop.hdfs.server.datanode.DataNode:
java.lang.IllegalArgumentException: Does not contain a valid host:port
authority: file:///
 at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:162)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:198)
 at
org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:228)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.getServiceAddress(NameNode.java:222)
 at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:337)
at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:299)
 at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1582)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1521)
 at
org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1539)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1665)
 at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1682)

2012-04-29 01:29:37,718 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at mandeep-System-Product-Name/
127.0.1.1
************************************************************/
2012-04-29 01:33:26,907 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
/************************************************************


-- 
Mandeep Singh Gulati
System Analyst | WorldWide Risk and Information Management
American Express India Pvt. Ltd.
Gurgaon, India

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