问题
I am trying to run a single node hadoop cluster on my machine with the following config:
inux livingstream 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
I am able to format the namenode without any problems however when I try and start the namenode using :
hadoop-daemon.sh start namenode
I get the following errors :
ishan@livingstream:/usr/local/hadoop$ hadoop-daemon.sh start namenode
Warning: $HADOOP_HOME is deprecated.
mkdir: cannot create directory `/var/log/hadoop/ishan': Permission denied
chown: cannot access `/var/log/hadoop/ishan': No such file or directory
mkdir: cannot create directory `/var/run/hadoop': Permission denied
starting namenode, logging to /var/log/hadoop/ishan/hadoop-ishan-namenode-livingstream.out
/usr/sbin/hadoop-daemon.sh: line 138: /var/run/hadoop/hadoop-ishan-namenode.pid: No such file or directory
/usr/sbin/hadoop-daemon.sh: line 137: /var/log/hadoop/ishan/hadoop-ishan-namenode-livingstream.out: No such file or directory
head: cannot open `/var/log/hadoop/ishan/hadoop-ishan-namenode-livingstream.out' for reading: No such file or directory
/usr/sbin/hadoop-daemon.sh: line 147: /var/log/hadoop/ishan/hadoop-ishan-namenode-livingstream.out: No such file or directory
/usr/sbin/hadoop-daemon.sh: line 148: /var/log/hadoop/ishan/hadoop-ishan-namenode-livingstream.out: No such file or directory
I did not create a separate user "hduser" for hadoop installation. I am using my exsisting username. May be that is why I am facing the problem. Can someone please help me with this .
Exactly what permissions do I need to alter to get this working ?
UPDATE After fiddling around and getting around the permission problems I have moved on to new stupidity of errors posted here : hadoop Nanenode wont start I will forever keep you guys in mind if you can nudge me in the right direction so that I can start some real work on this.
来源：https://stackoverflow.com/questions/23877293/hadoop2-2-0-installation-on-linux-namenode-not-starting