有大神碰到这个问题吗？？？？？？

Spark standalone cluster in cluster deploy mode with supervise 下 ：ERROR util.Utils: Uncaught exception in thread driver-revive-threadorg.apache.spark.SparkException: Could not find CoarseGrainedScheduler.        at org.apache.spark.rpc.netty.Dispatcher.postMessage(Dispatcher.scala:152)        at org.apache.spark.rpc.netty.Dispatcher.postOneWayMessage(Dispatcher.scala:132)        at org.apache.spark.rpc.netty.NettyRpcEnv.send(NettyRpcEnv.scala:186)        at org.apache.spark.rpc.netty.NettyRpcEndpointRef.send(NettyRpcEnv.scala:513)        at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverEndpoint$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(CoarseGrainedSchedulerBackend.scala:114)        at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverEndpoint$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(CoarseGrainedSchedulerBackend.scala:114)        at scala.Option.foreach(Option.scala:257)        at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverEndpoint$$anon$1$$anonfun$run$1.apply$mcV$sp(CoarseGrainedSchedulerBackend.scala:114)        at org.apache.spark.util.Utils$.tryLogNonFatalError(Utils.scala:1267)        at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverEndpoint$$anon$1.run(CoarseGrainedSchedulerBackend.scala:113)        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)        at java.lang.Thread.run(Thread.java:745)

看看RS是否还在运行