java.io.IOException: java.lang.ClassNotFoundException: scala.Some

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    Root Cause Analysis

    1. java.io.IOException

      java.lang.ClassNotFoundException: scala.Some

      at org.apache.spark.util.Utils$.tryOrIOException()
    2. Spark
      Accumulable.readObject
      1. org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1207)
      2. org.apache.spark.Accumulable.readObject(Accumulators.scala:151)
      2 frames
    3. Java RT
      ObjectInputStream.readObject
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      5. java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1058)
      6. java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1909)
      7. java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808)
      8. java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
      9. java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018)
      10. java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1898)
      11. java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808)
      12. java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
      13. java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2018)
      14. java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1942)
      15. java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1808)
      16. java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
      17. java.io.ObjectInputStream.readObject(ObjectInputStream.java:373)
      17 frames
    4. Spark
      Executor$TaskRunner.run
      1. org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:76)
      2. org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:115)
      3. org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:193)
      3 frames
    5. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      3. java.lang.Thread.run(Thread.java:745)
      3 frames