Datanode not starting

[M. Edward (Ed) Borasky]

I've got a Fedora 20 system - just fresh installed and updated. I
built a script following the instructions on the wiki:

https://fedoraproject.org/wiki/Changes/Hadoop#How_To_Test

The datanode is not starting:

$ sudo systemctl start hadoop-namenode hadoop-datanode
hadoop-nodemanager hadoop-resourcemanager
Job for hadoop-datanode.service failed. See 'systemctl status
hadoop-datanode.service' and 'journalctl -xn' for details.
$ systemctl status -l hadoop-datanode.service
hadoop-datanode.service - The Hadoop datanode daemon
   Loaded: loaded (/usr/lib/systemd/system/hadoop-datanode.service; enabled)
   Active: failed (Result: exit-code) since Wed 2013-12-18 16:34:51
PST; 9min ago
  Process: 1358 ExecStop=/usr/sbin/hadoop-daemon.sh stop datanode
(code=exited, status=0/SUCCESS)
  Process: 4240 ExecStart=/usr/sbin/hadoop-daemon.sh start datanode
(code=exited, status=1/FAILURE)
 Main PID: 1205 (code=exited, status=1/FAILURE)

Dec 18 16:34:47 DreamCatcher hadoop-daemon.sh[4240]: starting
datanode, logging to
/var/log/hadoop-hdfs/hadoop-hdfs-datanode-DreamCatcher.out
Dec 18 16:34:51 DreamCatcher systemd[1]: hadoop-datanode.service:
control process exited, code=exited status=1
Dec 18 16:34:51 DreamCatcher systemd[1]: Failed to start The Hadoop
datanode daemon.
Dec 18 16:34:51 DreamCatcher systemd[1]: Unit hadoop-datanode.service
entered failed state.



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