No, I am running the processes as user "hadoop" I created a separated user for running hadoop deamons.
-----Original Message----- From: Ted Dunning [mailto:[EMAIL PROTECTED] Sent: Wednesday, January 02, 2008 4:55 PM To: hadoop-user@lucene.apache.org Subject: Re: Datanode Problem I don't know what your problem is, but I note that you appear to be running processes as root. This is a REALLY bad idea. It may also be related to your problem. On 1/2/08 1:33 PM, "Natarajan, Senthil" <[EMAIL PROTECTED]> wrote: > Hi, > I am new to Hadoop. I just downloaded release 0.14.4 (hadoop-0.14.4.tar.gz) > and trying to setup Hadoop on Single Machine (RedHat Linux 9) by following the > link > http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Single-Node > _Cluster%29 > > Looks like datanode is not starting seems, (I am seeing only namenode, > jobtracker) > > [EMAIL PROTECTED] hadoop]$ /usr/local/hadoop/bin/start-all.sh > starting namenode, logging to > /usr/local/hadoop/bin/../logs/hadoop-hadoop-namenode-gis14.out > /bin/bash: /root/.bashrc: Permission denied > localhost: ssh: localhost: Name or service not known > /bin/bash: /root/.bashrc: Permission denied > localhost: ssh: localhost: Name or service not known > starting jobtracker, logging to > /usr/local/hadoop/bin/../logs/hadoop-hadoop-jobtracker-gis14.out > /bin/bash: /root/.bashrc: Permission denied > localhost: ssh: localhost: Name or service not known > > Then when I try to copy Local file to HDFS, I am getting this error. > > [EMAIL PROTECTED] hadoop]$ /usr/local/hadoop/bin/hadoop dfs -ls > Found 0 items > [EMAIL PROTECTED] hadoop]$ /usr/local/hadoop/bin/hadoop dfs -copyFromLocal > /tmp/guten gutenberg > copyFromLocal: java.io.IOException: Failed to create file > /user/hadoop/gutenberg/7ldvc10.txt on client xxx.xxx.xxx.xxx because this > cluster has no datanodes. > [EMAIL PROTECTED] hadoop]$ /usr/local/hadoop/bin/hadoop dfs -ls > Found 1 items > /user/hadoop/gutenberg <dir> 2008-01-02 15:51 > [EMAIL PROTECTED] hadoop]$ /usr/local/hadoop/bin/hadoop dfs -ls gutenberg > Found 0 items > > I couldn't find any log file corresponding to datanode. Could you please let > me know what might the problem. > Thanks, > Senthil >
