Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3884#discussion_r23342756
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -891,14 +913,22 @@ class SparkContext(config: SparkConf) extends Logging
with ExecutorAllocationCli
}
/** Build the union of a list of RDDs. */
- def union[T: ClassTag](rdds: Seq[RDD[T]]): RDD[T] = new UnionRDD(this,
rdds)
+ def union[T: ClassTag](rdds: Seq[RDD[T]]): RDD[T] = {
--- End diff --
Same here; instantiating new UnionRDDs doesn't cause an error if SC is
stopped.
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