Not able to execute this command

val l_map = L_rdd.map(e=>e.split(" "))
l_map: org.apache.spark.rdd.RDD[Array[String]] = MapPartitionsRDD[3] at map at :34

scala> l_map.collect.foreach(println)
20/07/17 07:59:52 ERROR TaskSetManager: Task 0 in stage 2.0 failed 4 times; aborting job
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 2.0 failed 4 times, most recent failure: Lost task 0.3 in stage 2.0 (TID 18, wn01.itversity.com): java.lang.ClassNotFoundException: $iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$1