org.apache.spark.SparkException: Task not serializable

github.com | 7 months ago
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    org.apache.spark.SparkException: Task not serializable
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    Test fails with SparkContext has been shutdown

    GitHub | 2 years ago | jamborta
    org.apache.spark.SparkException: SparkContext has been shutdown
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    GitHub comment 54#71801487

    GitHub | 2 years ago | velvia
    org.apache.spark.SparkException: SparkContext has been shutdown

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    Root Cause Analysis

    1. org.apache.spark.SparkException

      Task not serializable

      at org.apache.spark.util.ClosureCleaner$.ensureSerializable()
    2. Spark
      RDD.collect
      1. org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:298)
      2. org.apache.spark.util.ClosureCleaner$.org$apache$spark$util$ClosureCleaner$$clean(ClosureCleaner.scala:288)
      3. org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:108)
      4. org.apache.spark.SparkContext.clean(SparkContext.scala:2038)
      5. org.apache.spark.SparkContext.runJob(SparkContext.scala:1897)
      6. org.apache.spark.SparkContext.runJob(SparkContext.scala:1912)
      7. org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:884)
      8. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
      9. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
      10. org.apache.spark.rdd.RDD.withScope(RDD.scala:357)
      11. org.apache.spark.rdd.RDD.collect(RDD.scala:883)
      11 frames
    3. Spark Project SQL
      SparkPlan.executeCollect
      1. org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:290)
      1 frame