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From Blanca Hernandez <Blanca.Hernan...@willhaben.at>
Subject AW: Running job issues
Date Thu, 28 Aug 2014 07:59:21 GMT
Thanks, it fixed my problem!

Von: Arpit Agarwal [mailto:aagarwal@hortonworks.com]
Gesendet: Donnerstag, 28. August 2014 01:41
An: user@hadoop.apache.org
Betreff: Re: Running job issues

Susheel is right. I've fixed the typo on the wiki page.

On Wed, Aug 27, 2014 at 12:28 AM, Susheel Kumar Gadalay <skgadalay@gmail.com<mailto:skgadalay@gmail.com>>
wrote:
You have to use this command to format

hdfs namenode –format

not hdfs dfs -format

On 8/27/14, Blanca Hernandez <Blanca.Hernandez@willhaben.at<mailto:Blanca.Hernandez@willhaben.at>>
wrote:
> Hi, thanks for your answers.
>
> Sorry, I forgot to add it, I couldn´t run the command neither:
>
> C:\development\tools\hadoop>%HADOOP_PREFIX%\bin\hdfs dfs -format
> -format: Unknown command
>
> C:\development\tools\hadoop>echo %HADOOP_PREFIX%
> C:\development\tools\hadoop
>
> By using –help command there is no format param.
> My Hadoop version: 2.4.0 (the latest version supported by mongo-hadoop).
>
> Best regards,
>
> Blanca
>
>
> Von: Arpit Agarwal [mailto:aagarwal@hortonworks.com<mailto:aagarwal@hortonworks.com>]
> Gesendet: Dienstag, 26. August 2014 21:39
> An: user@hadoop.apache.org<mailto:user@hadoop.apache.org>
> Betreff: Re: Running job issues
>
>> And the namenode does not even start: 14/08/26 12:01:09 WARN
>> namenode.FSNamesystem: Encountered exception loading fsimage
>> java.io.IOException: NameNode is not formatted.
>
> Have you formatted HDFS (step 3.4)?
>
> On Tue, Aug 26, 2014 at 3:08 AM, Blanca Hernandez
> <Blanca.Hernandez@willhaben.at<mailto:Blanca.Hernandez@willhaben.at><mailto:Blanca.Hernandez@willhaben.at<mailto:Blanca.Hernandez@willhaben.at>>>
> wrote:
> Hi!
>
> I have just installed hadoop in my windows x64 machine.l followd carefully
> the instructions in https://wiki.apache.org/hadoop/Hadoop2OnWindows but in
> the
> 3.5<https://wiki.apache.org/hadoop/Hadoop2OnWindows%20but%20in%20the%203.5>
> and 3.6 points I have some problems I can not handle.
>
> %HADOOP_PREFIX%\sbin\start-dfs.cmd
>
>
> The datanode can no connect: 14/08/26 12:01:30 WARN datanode.DataNode:
> Problem connecting to server:
> 0.0.0.0/0.0.0.0:19000<http://0.0.0.0/0.0.0.0:19000><http://0.0.0.0/0.0.0.0:19000>
> And the namenode does not even start: 14/08/26 12:01:09 WARN
> namenode.FSNamesystem: Encountered exception loading fsimage
> java.io.IOException: NameNode is not formatted.
>
> Trying to get running the mapreduce-example indicated in the pont 3.6, I get
> the connection exception again. Tha brings me to the
> http://wiki.apache.org/hadoop/ConnectionRefused page where the exception in
> explained. So I guess I have some misunderstandings with the configuration.
> I tried to find information about that and found the page
> http://wiki.apache.org/hadoop/HowToConfigure but is still not very clear for
> me.
>
> I attach my config files, the ones I modified maybe you can help me out…
>
> Many thanks!!
>
>
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CONFIDENTIALITY NOTICE
NOTICE: This message is intended for the use of the individual or entity to which it is addressed
and may contain information that is confidential, privileged and exempt from disclosure under
applicable law. If the reader of this message is not the intended recipient, you are hereby
notified that any printing, copying, dissemination, distribution, disclosure or forwarding
of this communication is strictly prohibited. If you have received this communication in error,
please contact the sender immediately and delete it from your system. Thank You.
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