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MapReduce, mail # user - Question about Hadoop


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Re: Question about Hadoop
manish dunani 2013-08-06, 07:30
After checking ur error code.
I think u entered wrong map and reduce class.

can u pls show me code??
Then i will tell u correctly where u did the mistake..

On Tue, Aug 6, 2013 at 12:25 PM, 間々田 剛史
<[EMAIL PROTECTED]>wrote:

> Dear Sir
>
> we are students at Hosei University.
> we study hadoop now for reserch.
>
> we use Hadoop2.0.0-CDH4.2.1 MRv2 and its environment is centOS 6.2.
> we can access HDFS from master and slaves.
> We have some questions.
> Master:Hadoop04
> Slaves:Hadoop01
>        Hadoop02
>        Hadoop03
>
>
> we run the "wordcount" program on "complete distributed mode" ,but it
> stops running.
> The following is the response for running the program.
>
>
> 13/07/24 16:52:15 INFO input.FileInputFormat: Total input paths to process
> : 1
> 13/07/24 16:52:16 WARN conf.Configuration: mapred.job.name is deprecated.
> Instea
> d, use mapreduce.job.name
> 13/07/24 16:52:16 WARN conf.Configuration: mapreduce.reduce.class is
> deprecated.
>  Instead, use mapreduce.job.reduce.class
> 13/07/24 16:52:16 WARN conf.Configuration: mapred.input.dir is deprecated.
> Inste
> ad, use mapreduce.input.fileinputformat.inputdir
> 13/07/24 16:52:16 WARN conf.Configuration: mapred.output.dir is
> deprecated. Instead, use mapreduce.output.fileoutputformat.outputdir
> 13/07/24 16:52:16 WARN conf.Configuration: mapred.map.tasks is deprecated.
> Instead, use mapreduce.job.maps
> 13/07/24 16:52:16 WARN conf.Configuration: mapred.output.key.class is
> deprecated. Instead, use mapreduce.job.output.key.class
> 13/07/24 16:52:16 WARN conf.Configuration: mapred.working.dir is
> deprecated. Instead, use mapreduce.job.working.dir
> 13/07/24 16:52:16 INFO mapreduce.JobSubmitter: Submitting tokens for job:
> job_1374652061495_0002
> 13/07/24 16:52:16 INFO client.YarnClientImpl: Submitted application
> application_1374652061495_0002 to ResourceManager at Hadoop04/
> 10.31.185.24:8040
> 13/07/24 16:52:16 INFO mapreduce.Job: The url to track the job:
> http://Hadoop04:
> 8088/proxy/application_1374652061495_0002/
> 13/07/24 16:52:16 INFO mapreduce.Job: Running job: job_1374652061495_0002
>
> it stops running at the point.
> then,
> when we access http://Hadoop04:8088/proxy/application_1374652061495_0002/,
> it shows "The requested application does not appear to be running yet, and
> has not set a tracking URL"
>
> I am looking forward to your reply.
>
> Best wishes,
> tadayuki,tsuyoshi,and hideki
>

--
MANISH DUNANI
-THANX
+91 9426881954,+91 8460656443
[EMAIL PROTECTED]