org.apache.spark.SparkException: Task not serializable

Stack Overflow | Aman | 3 months ago
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    org.apache.spark.SparkException: Task not serializable java

    Stack Overflow | 3 months ago | Aman
    org.apache.spark.SparkException: Task not serializable
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    Task Not Serializable Exception - When using JMSTemplate in Spark foreach

    Stack Overflow | 11 months ago | Shankar
    org.apache.spark.SparkException: Task not serializable
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    Spark Kryo Serialization fails

    Stack Overflow | 9 months ago | Daniel L.
    java.io.NotSerializableException: com.location.model.Profile Serialization stack: - object not serializable (class: com.location.model.Profile, value: com.location.model.Profile@596032b0) - field (class: org.apache.spark.rdd.PairRDDFunctions$$anonfun$aggregateByKey$1, name: zeroValue$3, type: class java.lang.Object) - object (class org.apache.spark.rdd.PairRDDFunctions$$anonfun$aggregateByKey$1, <function0>) - field (class: org.apache.spark.rdd.PairRDDFunctions$$anonfun$aggregateByKey$1$$anonfun$1, name: $outer, type: class org.apache.spark.rdd.PairRDDFunctions$$anonfun$aggregateByKey$1) - object (class org.apache.spark.rdd.PairRDDFunctions$$anonfun$aggregateByKey$1$$anonfun$1, <function0>) - field (class: org.apache.spark.rdd.PairRDDFunctions$$anonfun$aggregateByKey$1$$anonfun$apply$10, name: createZero$1, type: interface scala.Function0) - object (class org.apache.spark.rdd.PairRDDFunctions$$anonfun$aggregateByKey$1$$anonfun$apply$10, <function1>)
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  5. 0

    Spark serialisation error

    Stack Overflow | 1 year ago | Dave
    org.apache.spark.SparkException: Task not serializable
  6. 0

    Task not serializable

    GitHub | 7 months ago | waynefoltaERI
    org.apache.spark.SparkException: Task not serializable

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    Root Cause Analysis

    1. java.io.NotSerializableException

      java.lang.Object Serialization stack: - object not serializable (class: java.lang.Object, value: java.lang.Object@4395342) - writeObject data (class: java.util.HashMap) - object (class java.util.HashMap, {UTF-8=java.lang.Object@4395342, WINDOWS-1252=com.mysql.jdbc.SingleByteCharsetConverter@72ffabab, US-ASCII=com.mysql.jdbc.SingleByteCharsetConverter@6f5fa288}) - field (class: com.mysql.jdbc.ConnectionImpl, name: charsetConverterMap, type: interface java.util.Map) - object (class com.mysql.jdbc.JDBC4Connection, com.mysql.jdbc.JDBC4Connection@6761e52a) - field (class: final_file.Insert$2, name: conn, type: interface com.mysql.jdbc.Connection) - object (class final_file.Insert$2, final_file.Insert$2@45436e66) - field (class: org.apache.spark.api.java.JavaRDDLike$$anonfun$foreachPartition$1, name: f$12, type: interface org.apache.spark.api.java.function.VoidFunction) - object (class org.apache.spark.api.java.JavaRDDLike$$anonfun$foreachPartition$1, <function1>)

      at org.apache.spark.serializer.SerializationDebugger$.improveException()
    2. Spark
      AbstractJavaRDDLike.foreachPartition
      1. org.apache.spark.serializer.SerializationDebugger$.improveException(SerializationDebugger.scala:40)
      2. org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:47)
      3. org.apache.spark.serializer.JavaSerializerInstance.serialize(JavaSerializer.scala:101)
      4. org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:301)
      5. org.apache.spark.util.ClosureCleaner$.org$apache$spark$util$ClosureCleaner$$clean(ClosureCleaner.scala:294)
      6. org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:122)
      7. org.apache.spark.SparkContext.clean(SparkContext.scala:2055)
      8. org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1.apply(RDD.scala:919)
      9. org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1.apply(RDD.scala:918)
      10. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)
      11. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:111)
      12. org.apache.spark.rdd.RDD.withScope(RDD.scala:316)
      13. org.apache.spark.rdd.RDD.foreachPartition(RDD.scala:918)
      14. org.apache.spark.api.java.JavaRDDLike$class.foreachPartition(JavaRDDLike.scala:225)
      15. org.apache.spark.api.java.AbstractJavaRDDLike.foreachPartition(JavaRDDLike.scala:46)
      15 frames
    3. final_file
      Insert.main
      1. final_file.Insert.main(Insert.java:59)
      1 frame