Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/22625#discussion_r222550195 --- Diff: core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala --- @@ -98,6 +98,8 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, val rpcEnv: Rp private val reviveThread = ThreadUtils.newDaemonSingleThreadScheduledExecutor("driver-revive-thread") + private var driverEndpointStopped = false --- End diff -- shouldn't this be inside class DriverEndpoint?
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