Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/12154#discussion_r58461884
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobScheduler.scala
---
@@ -93,6 +103,10 @@ class JobScheduler(val ssc: StreamingContext) extends
Logging {
receiverTracker.stop(processAllReceivedData)
}
+ if (executorAllocationManager != null) {
--- End diff --
Its not supposed to be used as null, but since its var, just avoiding
unnecessary NPEs in the future.
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