[jira] Commented: (MAHOUT-368) should package core ,math and collections to one Jar package for hadoop recommendations

["Robin Anil (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAHOUT-368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854429#action_12854429 ] 

Robin Anil commented on MAHOUT-368:
-----------------------------------

check out the mahout-examples.job in examples/target its the jar file you need

> should package core ,math and collections to one Jar package for hadoop recommendations
> ---------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-368
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-368
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Collaborative Filtering
>    Affects Versions: 0.4
>            Reporter: Hui Wen Han
>             Fix For: 0.4
>
>
> should package core ,math and collections to one Jar package for org.apache.mahout.cf.taste.hadoop.item.RecommenderJob.
> because RecommenderJob used classes  (for example org.apache.mahout.math.VectorWritable )of the  math module of mahout project,
> but math and core module is the separated jar package.
> so when work on the hadoop env ,the class of math module can not load to classloader in the datanode.
> it will cause class not found exception.
> the work around is package all mahout classes to one package manually.

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