[jira] [Updated] (GIRAPH-391) Zookeeper setup in GraphMapper should check for existence of the jar file

["Ravi Prakash (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GIRAPH-391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravi Prakash updated GIRAPH-391:
--------------------------------

    Attachment: giraph-391.patch

Attaching trivial patch.
                
> Zookeeper setup in GraphMapper should check for existence of the jar file
> -------------------------------------------------------------------------
>
>                 Key: GIRAPH-391
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-391
>             Project: Giraph
>          Issue Type: Bug
>    Affects Versions: 0.2.0
>            Reporter: Ravi Prakash
>         Attachments: giraph-391.patch
>
>
> Distributed Cache behaviour has changed in Hadoop 0.23. 
> When running on the PageRankBenchmark on a pseudo-distributed setup, GraphMapper.java:303 returns null
> bq. Path[] fileClassPaths = DistributedCache.getLocalCacheArchives(conf);
> Further, context.getJar() returns the location of the job jar in *HDFS* . Obviously this can't be added to the classpath. If we only checked for the existence of this jar file, it would follow on to using the findContainingJar() method which returns the right thing.

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