Github user CodingCat commented on the pull request:
https://github.com/apache/spark/pull/1244#issuecomment-49153988
@andrewor14 yeah, I agree with you, I just thought in somewhere (document
in the earlier versions? I cannot find it now), the user has to set this env
variable? so I said prioritizing worker side SPARK_HOME, if this is not set,
Spark will try to read application setup about SPARK_HOME (which may generates
error if the directory structure is not the same)....
I also noticed this JIRA https://issues.apache.org/jira/browse/SPARK-2454
(left some comments there)
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