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HDFS >> mail # user >> Re: NO DataNode Daemon on a single node Hadoop 2.2 installation


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Re: NO DataNode Daemon on a single node Hadoop 2.2 installation
Thanks for the feedback. If you need to re-format you should delete both
the NameNode data and the DataNode data dir as the Datanode stores
version information and will not connect to a  NameNode with a different
version.
Cheers
Chris
On 12/15/2013 5:29 AM, Karim Awara wrote:
>
> no master file. but slave file has localhost.
>
> I managed to solve it. I had to delete the data dir of the namenode
> before I format. And then it worked fine.
>
> --
> Best Regards,
> Karim Ahmed Awara
>
>
> On Sun, Dec 15, 2013 at 6:08 AM, Chris Mawata <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     What do you have in your masters and slaves files?
>     Chris
>
>
>     On 12/14/2013 5:05 AM, Karim Awara wrote:
>>     Hi,
>>
>>     After I run start-dfs.sh, I dont get a datanode daemon. And in
>>     the log file it generates this exception:
>>
>>     "java.io.IOException: Failed on local exception:
>>     java.io.EOFException; Host Details : local host is:
>>     "DELL1/127.0.1.1 <http://127.0.1.1>"; destination host is:
>>     "localhost":9000; "
>>
>>
>>
>>     This is my /etc/hosts file:
>>
>>     "127.0.0.1       localhost
>>     127.0.1.1       DELL1"
>>
>>
>>     And I tried putting DELL1 real ip instead of 127.0.1.1, but no
>>     use. Please advise!
>>
>>
>>     --
>>     Best Regards,
>>     Karim Ahmed Awara
>>
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>
>
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> This message and its contents, including attachments are intended
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB