org.apache.spark.SparkException: Task not serializable

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Root Cause Analysis

  1. java.lang.ArrayIndexOutOfBoundsException

    0

    at java.io.ObjectStreamClass$FieldReflector.getObjFieldValues()
  2. Java RT
    Method.invoke
    1. java.io.ObjectStreamClass$FieldReflector.getObjFieldValues(ObjectStreamClass.java:2050)
    2. java.io.ObjectStreamClass.getObjFieldValues(ObjectStreamClass.java:1252)
    3. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    4. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    5. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6. java.lang.reflect.Method.invoke(Method.java:483)
    6 frames
  3. Spark
    PairRDDFunctions.mapValues
    1. org.apache.spark.serializer.SerializationDebugger$ObjectStreamClassMethods$.getObjFieldValues$extension(SerializationDebugger.scala:240)
    2. org.apache.spark.serializer.SerializationDebugger$SerializationDebugger.visitSerializable(SerializationDebugger.scala:150)
    3. org.apache.spark.serializer.SerializationDebugger$SerializationDebugger.visit(SerializationDebugger.scala:99)
    4. org.apache.spark.serializer.SerializationDebugger$SerializationDebugger.visitSerializable(SerializationDebugger.scala:158)
    5. org.apache.spark.serializer.SerializationDebugger$SerializationDebugger.visit(SerializationDebugger.scala:99)
    6. org.apache.spark.serializer.SerializationDebugger$.find(SerializationDebugger.scala:58)
    7. org.apache.spark.serializer.SerializationDebugger$.improveException(SerializationDebugger.scala:39)
    8. org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:47)
    9. org.apache.spark.serializer.JavaSerializerInstance.serialize(JavaSerializer.scala:80)
    10. org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:164)
    11. org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:158)
    12. org.apache.spark.SparkContext.clean(SparkContext.scala:1622)
    13. org.apache.spark.rdd.PairRDDFunctions.mapValues(PairRDDFunctions.scala:672)
    13 frames
  4. io.prediction.controller
    Engine$$anonfun$27$$anonfun$29.apply
    1. io.prediction.controller.P2LAlgorithm.batchPredict(P2LAlgorithm.scala:64)
    2. io.prediction.controller.P2LAlgorithm.batchPredictBase(P2LAlgorithm.scala:60)
    3. io.prediction.controller.Engine$$anonfun$27$$anonfun$29.apply(Engine.scala:737)
    4. io.prediction.controller.Engine$$anonfun$27$$anonfun$29.apply(Engine.scala:734)
    4 frames
  5. Scala
    AbstractTraversable.map
    1. scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
    2. scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
    3. scala.collection.immutable.Range.foreach(Range.scala:141)
    4. scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
    5. scala.collection.AbstractTraversable.map(Traversable.scala:105)
    5 frames
  6. io.prediction.controller
    Engine$$anonfun$27.apply
    1. io.prediction.controller.Engine$$anonfun$27.apply(Engine.scala:734)
    2. io.prediction.controller.Engine$$anonfun$27.apply(Engine.scala:728)
    2 frames
  7. Scala
    AbstractTraversable.map
    1. scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
    2. scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
    3. scala.collection.immutable.Range.foreach(Range.scala:141)
    4. scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
    5. scala.collection.AbstractTraversable.map(Traversable.scala:105)
    5 frames
  8. io.prediction.controller
    Engine.eval
    1. io.prediction.controller.Engine$.eval(Engine.scala:728)
    2. io.prediction.controller.Engine.eval(Engine.scala:325)
    2 frames
  9. io.prediction.core
    BaseEngine$$anonfun$batchEval$1.apply
    1. io.prediction.core.BaseEngine$$anonfun$batchEval$1.apply(BaseEngine.scala:69)
    2. io.prediction.core.BaseEngine$$anonfun$batchEval$1.apply(BaseEngine.scala:68)
    2 frames
  10. Scala
    AbstractTraversable.map
    1. scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
    2. scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
    3. scala.collection.immutable.List.foreach(List.scala:318)
    4. scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
    5. scala.collection.AbstractTraversable.map(Traversable.scala:105)
    5 frames
  11. io.prediction.core
    BaseEngine.batchEval
    1. io.prediction.core.BaseEngine.batchEval(BaseEngine.scala:68)
    1 frame
  12. io.prediction.workflow
    CreateWorkflow.main
    1. io.prediction.workflow.EvaluationWorkflow$.runEvaluation(EvaluationWorkflow.scala:39)
    2. io.prediction.workflow.CoreWorkflow$.runEvaluation(CoreWorkflow.scala:120)
    3. io.prediction.workflow.Workflow$.runEvaluation(Workflow.scala:126)
    4. io.prediction.workflow.Workflow$.runEvaluationTypeless(Workflow.scala:106)
    5. io.prediction.workflow.Workflow$.runEvaluation(Workflow.scala:86)
    6. io.prediction.workflow.CreateWorkflow$.main(CreateWorkflow.scala:271)
    7. io.prediction.workflow.CreateWorkflow.main(CreateWorkflow.scala)
    7 frames
  13. Java RT
    Method.invoke
    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:483)
    4 frames
  14. Spark
    SparkSubmit.main
    1. org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:569)
    2. org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:166)
    3. org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:189)
    4. org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:110)
    5. org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
    5 frames