Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/7913#discussion_r36148454
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/receiver/Receiver.scala ---
@@ -266,14 +266,16 @@ abstract class Receiver[T](val storageLevel:
StorageLevel) extends Serializable
/** Attach Network Receiver executor to this receiver. */
private[streaming] def attachExecutor(exec: ReceiverSupervisor) {
- assert(executor_ == null)
- executor_ = exec
+ assert(_supervisor == null)
+ _supervisor = exec
}
/** Get the attached executor. */
- private def executor: ReceiverSupervisor = {
- assert(executor_ != null, "Executor has not been attached to this
receiver")
- executor_
+ private[streaming] def supervisor: ReceiverSupervisor = {
+ assert(_supervisor != null,
--- End diff --
@helena I think this gives better error message in the scenario that you
hit with your custom receiver?
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