spark程序运行报错问题，求助

[wuran_beijing]

16/03/03 17:36:03 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, localhost): java.net.NoRouteToHostException: No route to host
java.net.PlainSocketImpl.socketConnect(Native Method)
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
java.net.Socket.connect(Socket.java:579)
sun.net.NetworkClient.doConnect(NetworkClient.java:175)
sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
sun.net.www.http.HttpClient.New(HttpClient.java:308)
sun.net.www.http.HttpClient.New(HttpClient.java:326)
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:997)
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:933)
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:851)
org.apache.spark.util.Utils$.fetchFile(Utils.scala:375)
org.apache.spark.executor.Executor$$anonfun$org$apache$spark$executor$Executor$$updateDependencies$6.apply(Executor.scala:325)
org.apache.spark.executor.Executor$$anonfun$org$apache$spark$executor$Executor$$updateDependencies$6.apply(Executor.scala:323)
scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)
scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)
scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)
scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:226)
scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39)
scala.collection.mutable.HashMap.foreach(HashMap.scala:98)
scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)
org.apache.spark.executor.Executor.org$apache$spark$executor$Executor$$updateDependencies(Executor.scala:323)
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:158)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
java.lang.Thread.run(Thread.java:745)
16/03/03 17:36:03 INFO TaskSetManager: Starting task 0.1 in stage 0.0 (TID 1, localhost, PROCESS_LOCAL, 1240 bytes)
16/03/03 17:36:06 INFO TaskSetManager: Lost task 0.1 in stage 0.0 (TID 1) on executor localhost: java.net.NoRouteToHostException (No route to host) [duplicate 1]
16/03/03 17:36:06 INFO TaskSetManager: Starting task 0.2 in stage 0.0 (TID 2, localhost, PROCESS_LOCAL, 1240 bytes)
16/03/03 17:36:09 INFO TaskSetManager: Lost task 0.2 in stage 0.0 (TID 2) on executor localhost: java.net.NoRouteToHostException (No route to host) [duplicate 2]
16/03/03 17:36:09 INFO TaskSetManager: Starting task 0.3 in stage 0.0 (TID 3, localhost, PROCESS_LOCAL, 1240 bytes)
16/03/03 17:36:12 INFO TaskSetManager: Lost task 0.3 in stage 0.0 (TID 3) on executor localhost: java.net.NoRouteToHostException (No route to host) [duplicate 3]
16/03/03 17:36:12 ERROR TaskSetManager: Task 0 in stage 0.0 failed 4 times; aborting job
16/03/03 17:36:12 INFO TaskSchedulerImpl: Removed TaskSet 0.0, whose tasks have all completed, from pool
16/03/03 17:36:12 INFO TaskSchedulerImpl: Cancelling stage 0
16/03/03 17:36:12 INFO DAGScheduler: Failed to run first at test.scala:15
Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 0.0 failed 4 times, most recent failure: Lost task 0.3 in stage 0.0 (TID 3, localhost): java.net.NoRouteToHostException: No route to host
java.net.PlainSocketImpl.socketConnect(Native Method)
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
java.net.Socket.connect(Socket.java:579)
sun.net.NetworkClient.doConnect(NetworkClient.java:175)
sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
sun.net.www.http.HttpClient.New(HttpClient.java:308)
sun.net.www.http.HttpClient.New(HttpClient.java:326)
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:997)
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:933)
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:851)
org.apache.spark.util.Utils$.fetchFile(Utils.scala:375)
org.apache.spark.executor.Executor$$anonfun$org$apache$spark$executor$Executor$$updateDependencies$6.apply(Executor.scala:325)
org.apache.spark.executor.Executor$$anonfun$org$apache$spark$executor$Executor$$updateDependencies$6.apply(Executor.scala:323)
scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)
scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)
scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)
scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:226)
scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39)
scala.collection.mutable.HashMap.foreach(HashMap.scala:98)
scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)
org.apache.spark.executor.Executor.org$apache$spark$executor$Executor$$updateDependencies(Executor.scala:323)
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:158)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
java.lang.Thread.run(Thread.java:745)
Driver stacktrace:
at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1185)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1174)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1173)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1173)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:688)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:688)
at scala.Option.foreach(Option.scala:236)
at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:688)
at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1391)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
at akka.actor.ActorCell.invoke(ActorCell.scala:456)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
at akka.dispatch.Mailbox.run(Mailbox.scala:219)
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)