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https://issues.apache.org/jira/browse/MAHOUT-426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12886447#action_12886447
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Hudson commented on MAHOUT-426:
-------------------------------
Integrated in Mahout-Quality #128 (See
[http://hudson.zones.apache.org/hudson/job/Mahout-Quality/128/])
> The Mahout command script doesn't properly run when Hadoop is installed but
> $MAHOUT_JOB is not set or found in standard locations
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-426
> URL: https://issues.apache.org/jira/browse/MAHOUT-426
> Project: Mahout
> Issue Type: Bug
> Affects Versions: 0.4
> Environment: Manifested in Amazon EC2 instance set up according to
> wiki instructions - https://cwiki.apache.org/MAHOUT/mahoutec2.html
> Seems likely to affect any server where Hadoop is installed
> Reporter: Peter Goldstein
> Assignee: Drew Farris
> Attachments: MAHOUT-426.patch, MAHOUT-426.patch
>
>
> In the case where no $MAHOUT_JOB is set, and no mahout-examples-*.job file is
> found in the standard locations, the Mahout command script should default to
> the run locally option. Instead, when the script is run one received an
> error that the non-existent file "$MAHOUT_HOME/mahout-examples-*.job" cannot
> be found.
> This is the result of two separate bugs in the Mahout command script:
> i) There is no existence check in the loop checking for mahout-examples-*.job
> files in $MAHOUT_HOME
> ii) The execution if/else clause only checks if either $HADOOP_CONF_DIR or
> $HADOOP_HOME is empty when determining whether to run locally. It also
> should check the $MAHOUT_JOB variable, as it is meaningless to run hadoop in
> this case.
> Fixing these two issues allowed me to (almost) run the
> $MAHOUT_HOME/examples/bin/build-reuters.sh script.
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