I am using spark shell in yarn client mode i wanted to stop my current sc and deploy new one . i created a new rdd and the ran a reduce job. then i got this error
Caused by: java.lang.ClassNotFoundException: $iwC$iwC$iwC$iwC$iwC$iwC$iwC$iwC$anonfun$1
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.spark.serializer.JavaDeserializationStream$anon$1.resolveClass(JavaSerializer.scala:68)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1858)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1744)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2032)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1566)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2277)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2201)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2059)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1566)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2277)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2201)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2059)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1566)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2277)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2201)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2059)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1566)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:426)
at org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:76)
at org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:115)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
at org.apache.spark.scheduler.Task.run(Task.scala:89)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:227)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
