ISpark error

gistfile1.txt

In [1]: case class Circle(rad:Float)

In [2]: val rdd = sc.parallelize(1 to 10000).map(i=>Circle(i.toFloat))
Out[2]: MappedRDD[1] at map at <console>:11


In [3]: rdd.take(10)

14/11/11 13:03:35 ERROR TaskResultGetter: Exception while getting task result
com.esotericsoftware.kryo.KryoException: Unable to find class: [L$line5.$read$$iwC$$iwC$Circle;
	at com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:138)
	at com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:115)
	at com.esotericsoftware.kryo.Kryo.readClass(Kryo.java:610)
	at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:721)
	at org.apache.spark.serializer.KryoSerializerInstance.deserialize(KryoSerializer.scala:162)
	at org.apache.spark.scheduler.DirectTaskResult.value(TaskResult.scala:79)
	at org.apache.spark.scheduler.TaskSetManager.handleSuccessfulTask(TaskSetManager.scala:514)
	at org.apache.spark.scheduler.TaskSchedulerImpl.handleSuccessfulTask(TaskSchedulerImpl.scala:355)
	at org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply$mcV$sp(TaskResultGetter.scala:68)
	at org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply(TaskResultGetter.scala:47)
	at org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply(TaskResultGetter.scala:47)
	at org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1314)
	at org.apache.spark.scheduler.TaskResultGetter$$anon$2.run(TaskResultGetter.scala:46)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: $line5.$read$$iwC$$iwC$Circle
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:270)
	at com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:136)
	... 15 more

With Kryo serialization disabled...

org.apache.spark.SparkException: Job aborted due to stage failure: ClassNotFound with classloader: org.apache.spark.executor.ExecutorURLClassLoader@3f03c0ad
    org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1185)
    org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1174)
    org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1173)
    scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
    scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
    org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1173)
    org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:688)
    org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:688)
    scala.Option.foreach(Option.scala:236)
    org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:688)
    org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1391)
    akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
    akka.actor.ActorCell.invoke(ActorCell.scala:456)
    akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
    akka.dispatch.Mailbox.run(Mailbox.scala:219)
    akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
    scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
    scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
    scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
    scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)