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Date: Fri, 27 Nov 2009 00:26:18 -0500
Subject: Re: please help in setting hadoop
From: aa225@buffalo.edu
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Hi,
    Just a thought, but you do not need to setup the temp directory in
conf/hadoop-site.xml especially if you are running basic examples. Give tha=
t a
shot, maybe it will work out. Otherwise see if you can find additional info=
 in
the LOGS=20

Thank You

Abhishek Agrawal

SUNY- Buffalo
(716-435-7122)

On Fri 11/27/09 12:20 AM , "Krishna Kumar" krishna.kumar@nechclst.in sent:
> Dear All,
> Can anybody please help me in getting out from these error messages:
> [ hadoop]# hadoop jar
> /usr/lib/hadoop/hadoop-0.18.3-14.cloudera.CH0_3-examples.jar
> wordcount
> test test-op
>=20
> 09/11/26 17:15:45 INFO mapred.FileInputFormat: Total input paths to
> process : 4
>=20
> 09/11/26 17:15:45 INFO mapred.FileInputFormat: Total input paths to
> process : 4
>=20
> org.apache.hadoop.ipc.RemoteException: java.io.IOException: No valid
> local directories in property: mapred.local.dir
>=20
> at
> org.apache.hadoop.conf.Configuration.getLocalPath(Configuration.java:730
> )
>=20
> at
> org.apache.hadoop.mapred.JobConf.getLocalPath(JobConf.java:222)
>=20
> at
> org.apache.hadoop.mapred.JobInProgress.(JobInProgress.java:194)
>=20
> at
> org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:1557)
>=20
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
>=20
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> a:39)
>=20
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> Impl.java:25)
>=20
> at java.lang.reflect.Method.invoke(Method.java:585)
>=20
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:481)
>=20
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:890)
> I am running the hadoop cluster as root user on two server nodes:
> master
> and slave.  My hadoop-site.xml file format is as follows :
> fs.default.name
>=20
> hdfs://master:54310
> dfs.permissions
>=20
> false
> dfs.name.dir
>=20
> /home/hadoop/dfs/name
> Further the o/p of ls command is as follows:
>=20
> [ hadoop]# ls -l /home/hadoop/hadoop-root/
>=20
> total 8
>=20
> drwxr-xr-x 4 root root 4096 Nov 26 16:48 dfs
>=20
> drwxr-xr-x 3 root root 4096 Nov 26 16:49 mapred
>=20
> [ hadoop]#
>=20
> [ hadoop]#
>=20
> [ hadoop]# ls -l /home/hadoop/hadoop-root/mapred/
>=20
> total 4
>=20
> drwxr-xr-x 2 root root 4096 Nov 26 16:49 local
>=20
> [ hadoop]#
>=20
> [ hadoop]# ls -l /home/hadoop/hadoop-root/mapred/local/
>=20
> total 0
> Thanks and Best Regards,
>=20
> Krishna Kumar
>=20
> Senior Storage Engineer=20
>=20
> Why do we have to die? If we had to die, and everything is gone after
> that, then nothing else matters on this earth - everything is
> temporary,
> at least relative to me.
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