hi i get the following erreors when i try using pyspark 2.0 with ipython on yarn somone can help me please . java.lang.IllegalArgumentException: java.net.UnknownHostException: s001.bigdata.;s003.bigdata;s008bigdata. at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:374) at org.apache.hadoop.crypto.key.kms.KMSClientProvider.getDelegationTokenService(KMSClientProvider.java:823) at org.apache.hadoop.crypto.key.kms.KMSClientProvider.addDelegationTokens(KMSClientProvider.java:779) at org.apache.hadoop.crypto.key.KeyProviderDelegationTokenExtension.addDelegationTokens(KeyProviderDelegationTokenExtension.java:86) at org.apache.hadoop.hdfs.DistributedFileSystem.addDelegationTokens(DistributedFileSystem.java:2046) at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil$$anonfun$obtainTokensForNamenodes$1.apply(YarnSparkHadoopUtil.scala:133) at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil$$anonfun$obtainTokensForNamenodes$1.apply(YarnSparkHadoopUtil.scala:130) at scala.collection.immutable.Set$Set1.foreach(Set.scala:94) at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil.obtainTokensForNamenodes(YarnSparkHadoopUtil.scala:130) at org.apache.spark.deploy.yarn.Client.prepareLocalResources(Client.scala:367) at org.apache.spark.deploy.yarn.Client.createContainerLaunchContext(Client.scala:834) at org.apache.spark.deploy.yarn.Client.submitApplication(Client.scala:167) at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:56) at org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:149) at org.apache.spark.SparkContext.<init>(SparkContext.scala:500) at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:240) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) at py4j.Gateway.invoke(Gateway.java:236) at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80) at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69) at py4j.GatewayConnection.run(GatewayConnection.java:211) at java.lang.Thread.run(Thread.java:745) Caused by: java.net.UnknownHostException:s001.bigdata.;s003.bigdata;s008bigdata.
thanks