I get the following exception. I am using Spark 2.0.1 and Scala 2.11.8.
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 0.0 failed 4 times, most recent failure: Lost task 0.3 in stage 0.0 (TID 13, 172.31.20.212): java.io.InvalidClassException: org.apache.spark.executor.TaskMetrics; local class incompatible: stream classdesc serialVersionUID = -2231953621568687904, local class serialVersionUID = -6966587383730940799
