Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/186#discussion_r10869998
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -892,6 +892,9 @@ class SparkContext(
partitions: Seq[Int],
allowLocal: Boolean,
resultHandler: (Int, U) => Unit) {
+ if (dagScheduler == null) {
+ throw new SparkException("DAGScheduler has been shutdown")
--- End diff --
Maybe change the message to SparkContext has been shut down.
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