Datanode not starting

[M. Edward (Ed) Borasky]

I did a search and found your blog post already. ;-) I did try
formatting the namenode but it didn't help. I can try your process
from scratch on another machine and see if that works. Has anyone else
gone down this path? Yours was the only posting Google turned up.

On Wed, Dec 18, 2013 at 7:04 PM, Tim St Clair <tstclair at redhat.com> wrote:
> You may need to format 1st:
> http://timothysc.github.io/blog/2013/09/14/hadoop-mapreduce/
>
>
> ----- Original Message -----
>> From: "M. Edward (Ed) Borasky" <znmeb at znmeb.net>
>> To: bigdata at lists.fedoraproject.org
>> Sent: Wednesday, December 18, 2013 7:01:46 PM
>> Subject: Datanode not starting
>>
>> 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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>
> --
> Cheers,
> Tim
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