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From "Basu,Indrashish" <indrash...@ufl.edu>
Subject Re: Error while running Hadoop Source Code
Date Tue, 05 Nov 2013 15:25:30 GMT

Hi,

Can anyone kindly assist on this ?

Regards,
Indrashish


On Mon, 04 Nov 2013 10:23:23 -0500, Basu,Indrashish wrote:
> Hi All,
>
> Any update on the below post ?
>
> I came across some old post regarding the same issue. It explains the
> solution as " The *nopipe* example needs more documentation.  It
> assumes that it is run with the InputFormat from
> src/test/org/apache/*hadoop*/mapred/*pipes*/
> *WordCountInputFormat*.java, which has a very specific input split
> format. By running with a TextInputFormat, it will send binary bytes
> as the input split and won't work right. The *nopipe* example should
> probably be recoded *to* use libhdfs *too*, but that is more
> complicated *to* get running as a unit test. Also note that since the
> C++ example is using local file reads, it will only work on a cluster
> if you have nfs or something working across the cluster. "
>
> I would need some more light on the above explanation , so if anyone
> could elaborate a bit about the same as what needs to be done 
> exactly.
> To mention, I am trying to run a sample KMeans algorithm on a GPU
> using Hadoop.
>
> Thanks in advance.
>
> Regards,
> Indrashish.
>
> On Thu, 31 Oct 2013 20:00:10 -0400, Basu,Indrashish wrote:
>> Hi,
>>
>> I am trying to run a sample Hadoop GPU source code (kmeans 
>> algorithm)
>> on an ARM processor and getting the below error. Can anyone please
>> throw some light on this ?
>>
>> rmr: cannot remove output: No such file or directory.
>> 13/10/31 13:43:12 WARN mapred.JobClient: No job jar file set.  User
>> classes may not be found. See JobConf(Class) or
>> JobConf#setJar(String).
>> 13/10/31 13:43:12 INFO mapred.FileInputFormat: Total input paths to
>> process : 1
>> 13/10/31 13:43:13 INFO mapred.JobClient: Running job: 
>> job_201310311320_0001
>> 13/10/31 13:43:14 INFO mapred.JobClient:  map 0% reduce 0%
>> 13/10/31 13:43:39 INFO mapred.JobClient: Task Id :
>> attempt_201310311320_0001_m_000000_0, Status : FAILED
>> java.io.IOException: pipe child exception
>>     at 
>> org.apache.hadoop.mapred.pipes.Application.abort(Application.java:191)
>>     at
>> 
>> org.apache.hadoop.mapred.pipes.PipesMapRunner.run(PipesMapRunner.java:103)
>>     at 
>> org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:363)
>>     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:307)
>>     at org.apache.hadoop.mapred.Child.main(Child.java:170)
>> Caused by: java.net.SocketException: Broken pipe
>>     at java.net.SocketOutputStream.socketWrite0(Native Method)
>>     at 
>> java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:113)
>>     at 
>> java.net.SocketOutputStream.write(SocketOutputStream.java:159)
>>     at 
>> java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
>>     at 
>> java.io.BufferedOutputStream.write(BufferedOutputStream.java:126)
>>     at java.io.DataOutputStream.write(DataOutputStream.java:107)
>>     at
>> 
>> org.apache.hadoop.mapred.pipes.BinaryProtocol.writeObject(BinaryProtocol.java:333)
>>     at
>> 
>> org.apache.hadoop.mapred.pipes.BinaryProtocol.mapItem(BinaryProtocol.java:286)
>>     at
>> 
>> org.apache.hadoop.mapred.pipes.PipesMapRunner.run(PipesMapRunner.java:92)
>>     ... 3 more
>>
>> attempt_201310311320_0001_m_000000_0: cmd: [bash, -c, exec
>> 
>> '/app/hadoop/tmp/mapred/local/taskTracker/archive/10.227.56.195bin/cpu-kmeans2D/cpu-kmeans2D'
>> '0'  < /dev/null  1>>
>> 
>> /usr/local/hadoop/hadoop-gpu-0.20.1/bin/../logs/userlogs/attempt_201310311320_0001_m_000000_0/stdout
>> 2>> /usr/local/hadoop/hadoop-gpu-0.20.1/bin/../logs/userlogs/
>>
>> Regards,

-- 
Indrashish Basu
Graduate Student
Department of Electrical and Computer Engineering
University of Florida

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