org.apache.spark.SparkException: Task not serializable

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    GitHub | 1 year ago | NeillGibson
    org.apache.spark.SparkException: Task not serializable

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    Root Cause Analysis

    1. org.apache.spark.SparkException

      Task not serializable

      at org.apache.spark.util.ClosureCleaner$.ensureSerializable()
    2. Spark
      AbstractJavaRDDLike.foreach
      1. org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:304)
      2. org.apache.spark.util.ClosureCleaner$.org$apache$spark$util$ClosureCleaner$$clean(ClosureCleaner.scala:294)
      3. org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:122)
      4. org.apache.spark.SparkContext.clean(SparkContext.scala:2055)
      5. org.apache.spark.rdd.RDD$$anonfun$foreach$1.apply(RDD.scala:911)
      6. org.apache.spark.rdd.RDD$$anonfun$foreach$1.apply(RDD.scala:910)
      7. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)
      8. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:111)
      9. org.apache.spark.rdd.RDD.withScope(RDD.scala:316)
      10. org.apache.spark.rdd.RDD.foreach(RDD.scala:910)
      11. org.apache.spark.api.java.JavaRDDLike$class.foreach(JavaRDDLike.scala:332)
      12. org.apache.spark.api.java.AbstractJavaRDDLike.foreach(JavaRDDLike.scala:46)
      12 frames
    3. edu.uth.clamp
      RunPipelineWithSpark.main
      1. edu.uth.clamp.nlp.main.RunPipelineWithSpark.processFolder(RunPipelineWithSpark.java:271)
      2. edu.uth.clamp.nlp.main.RunPipelineWithSpark.process(RunPipelineWithSpark.java:179)
      3. edu.uth.clamp.nlp.main.RunPipelineWithSpark.main(RunPipelineWithSpark.java:136)
      3 frames
    4. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      4 frames
    5. Spark
      SparkSubmit.main
      1. org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)
      2. org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
      3. org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
      4. org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
      5. org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
      5 frames