Github user sun-rui commented on the pull request:
https://github.com/apache/spark/pull/6743#issuecomment-119161819
@andrewor14, I did a modification on your proposed code because when
sparkRPackagePath() is called on executors, Most of the Spark conf properties
can't be accessed from the Java system properties because the executor backends
do not update the system properties according to the sparkConf. Fortunately,
there is a global SparkEnv object that holds a sparkConf in this case.
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