Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/781#discussion_r13263105
--- Diff: repl/src/test/scala/org/apache/spark/repl/ReplSuite.scala ---
@@ -44,15 +44,19 @@ class ReplSuite extends FunSuite {
}
}
}
+ val classpath = paths.mkString(File.pathSeparator)
+ System.setProperty("spark.executor.extraClassPath", classpath)
--- End diff --
For the sake of defensive programming, would you mind getting the previous
value of `spark.executor.extraClassPath` and restoring it afterwards, instead
of clearing it? The `spark.driver.port` value is a different situation, where
Spark internally sets that parameter, and would reuse it if it remains set.
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