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https://issues.apache.org/jira/browse/MAHOUT-1546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990069#comment-13990069
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Dmitriy Lyubimov commented on MAHOUT-1546:
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sorry, i meant "SPARK_HOME" instead of "SCALA_HOME".
(I think Spark workers do require SCALA_HOME in some situations, but that's
unrelated Spark thing, we don't need SCALA_HOME)
> building spark context fails due to incorrect classpath query
> -------------------------------------------------------------
>
> Key: MAHOUT-1546
> URL: https://issues.apache.org/jira/browse/MAHOUT-1546
> Project: Mahout
> Issue Type: Bug
> Environment: Spark running locally
> Reporter: Pat Ferrel
> Assignee: Dmitriy Lyubimov
> Priority: Critical
>
> The classpath retrieval is using a "-spark" flag that returns nothing, using
> the default "mahout classpath" seems to get all needed jar paths so
> commenting out the "-spark" makes it work for me. Not sure this is the best
> fix though.
> This is in def mahoutSparkContext(...)
> {code}
> //val p = Runtime.getRuntime.exec(Array(exec.getAbsolutePath,
> "-spark", "classpath"))
> val p = Runtime.getRuntime.exec(Array(exec.getAbsolutePath,
> "classpath"))
> {code}
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