ClosedChannelException Error in Spark - scala

Question

I have spark code written in scala. We execute the code in Amazon EMR.
I am getting below error while running.
17/02/01 04:06:23 ERROR TransportClient: Failed to send RPC 7076672670423246515 to ip-XXX-XX-XX-XXX.ec2.internal/XXX.XX.XX.XXX:33340: java.nio.channels.ClosedChannelException
java.nio.channels.ClosedChannelException
17/02/01 04:06:23 WARN NettyRpcEndpointRef: Error sending message [message = KillExecutors(List(3))] in 3 attempts
java.io.IOException: Failed to send RPC 7076672670423246515 to ip-XXX-XX-XX-XXX.ec2.internal/XXX.XX.XX.XXX:33340: java.nio.channels.ClosedChannelException
at org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:239)
at org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:226)
at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:680)
at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:567)
at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:424)
at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:745)
at io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:646)
at io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1054)
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:658)
at io.netty.channel.AbstractChannelHandlerContext.access$2000(AbstractChannelHandlerContext.java:32)
at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:939)
at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:991)
at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:924)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:380)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.nio.channels.ClosedChannelException
17/02/01 04:06:23 ERROR YarnSchedulerBackend$YarnSchedulerEndpoint: Sending KillExecutors(List(3)) to AM was unsuccessful
org.apache.spark.SparkException: Error sending message [message = KillExecutors(List(3))]
at org.apache.spark.rpc.RpcEndpointRef.askWithRetry(RpcEndpointRef.scala:118)
at org.apache.spark.rpc.RpcEndpointRef.askWithRetry(RpcEndpointRef.scala:77)
at org.apache.spark.scheduler.cluster.YarnSchedulerBackend$YarnSchedulerEndpoint$$anonfun$receiveAndReply$1$$anonfun$applyOrElse$4.apply$mcV$sp(YarnSchedulerBackend.scala:200)
at org.apache.spark.scheduler.cluster.YarnSchedulerBackend$YarnSchedulerEndpoint$$anonfun$receiveAndReply$1$$anonfun$applyOrElse$4.apply(YarnSchedulerBackend.scala:200)
at org.apache.spark.scheduler.cluster.YarnSchedulerBackend$YarnSchedulerEndpoint$$anonfun$receiveAndReply$1$$anonfun$applyOrElse$4.apply(YarnSchedulerBackend.scala:200)
at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
I have checked no. of forums and tried compile code in JAVA 7 as well as JAVA 8. It's still throwing same error.