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From Marty Kube <martyk...@beavercreekconsulting.com>
Subject Re: Mahout 0.8 not working with hadoop 2.0.2 ?
Date Thu, 20 Dec 2012 00:35:44 GMT
Hi Puneet,

That looks right to me - Hadoop 1.0.4 with Mahout 0.8.

The wiki says for current releases check the release notes.  I didn't 
find 0.8 in the current releases:

http://repo2.maven.org/maven2/org/apache/mahout/

So 0.8 must be the trunk, in which case check the pom. The pom in trunk 
has Hadoop 1.0.4 listed.

On 12/19/2012 02:55 PM, Puneet Jaiswal wrote:
> Seems like mahout 0.8 is built with hadoop 1.0.4.
> I switched hadoop back to 1.0.4 and it works.
>
> Thanks,
> -Puneet
>
> On Thu, Dec 20, 2012 at 12:11 AM, Puneet Jaiswal <punit.kj@gmail.com> wrote:
>
>> Hi,
>>
>> I am a newbie with Mahout.
>> I have set up hadoop 2.0 and I am trying to run and example described here
>> https://cwiki.apache.org/MAHOUT/clustering-of-synthetic-control-data.html
>>
>> I have copied testdata to HDFS.
>>
>> Puneet:mahout pjaisw1$ hadoop fs -ls testdata
>> Found 1 items
>> -rw-r--r--   1 pjaisw1 supergroup     288374 2012-12-19 23:48
>> testdata/synthetic_control.data
>>
>> I get following error:
>>
>> Puneet:mahout pjaisw1$ ./bin/mahout
>> org.apache.mahout.clustering.syntheticcontrol.kmeans.Job
>> Running on hadoop, using /app/hadoop/bin/hadoop and HADOOP_CONF_DIR=
>> MAHOUT-JOB:
>> /opt/openSrc/mahout/examples/target/mahout-examples-0.8-SNAPSHOT-job.jar
>> Exception in thread "main" java.io.IOException: Mkdirs failed to create
>> /tmp/hadoop-pjaisw1/hadoop-unjar221196643100499467/META-INF/license
>> at org.apache.hadoop.util.RunJar.ensureDirectory(RunJar.java:111)
>>   at org.apache.hadoop.util.RunJar.unJar(RunJar.java:87)
>> at org.apache.hadoop.util.RunJar.unJar(RunJar.java:64)
>>   at org.apache.hadoop.util.RunJar.main(RunJar.java:184)
>>
>> Puneet:mahout pjaisw1$ hadoop fs -ls /
>> Found 2 items
>> drwxrwxrwx   - pjaisw1 supergroup          0 2012-12-20 00:07 /tmp
>> drwxr-xr-x   - pjaisw1 supergroup          0 2012-12-19 23:40 /user
>>
>> I had already ran these commands to avoid write failure to /tmp
>>
>> Puneet:mahout pjaisw1$ hadoop fs -chmod o+w /tmp
>> Puneet:mahout pjaisw1$ hadoop fs -chmod -R o+w /tmp
>>
>> Any idea why I am getting this error ?
>>
>> Thanks,
>> -Puneet
>>


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