Spark – java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy
solved Spark – java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy
Spark – java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy
solved Spark – java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy