org.apache.spark.SparkException: Task not serializable

GitHub | jbloom22 | 1 year ago
  1. 0

    GitHub comment 68#155304880

    GitHub | 1 year ago | jbloom22
    org.apache.spark.SparkException: Task not serializable
  2. 0

    SparkException: Task not serializable (Even after class implements Serializable)

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    How to pass spark broadcast and accumulator variables to map and reduce functions

    Stack Overflow | 1 year ago | Sohaib
    org.apache.spark.SparkException: Task not serializable
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    java.lang.reflect.InvocationTargetException
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Root Cause Analysis

  1. java.lang.ArrayIndexOutOfBoundsException

    1

    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:497)
    6 frames
  3. Spark
    RDD.map
    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$SerializationDebugger.visit(SerializationDebugger.scala:99)
    6. org.apache.spark.serializer.SerializationDebugger$SerializationDebugger.visitSerializable(SerializationDebugger.scala:158)
    7. org.apache.spark.serializer.SerializationDebugger$SerializationDebugger.visit(SerializationDebugger.scala:99)
    8. org.apache.spark.serializer.SerializationDebugger$.find(SerializationDebugger.scala:58)
    9. org.apache.spark.serializer.SerializationDebugger$.improveException(SerializationDebugger.scala:39)
    10. org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:47)
    11. org.apache.spark.serializer.JavaSerializerInstance.serialize(JavaSerializer.scala:80)
    12. org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:164)
    13. org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:158)
    14. org.apache.spark.SparkContext.clean(SparkContext.scala:1622)
    15. org.apache.spark.rdd.RDD.map(RDD.scala:286)
    15 frames
  4. org.broadinstitute.hail
    MendelErrorsSuite.test
    1. org.broadinstitute.hail.methods.MendelErrors.writeMendel(MendelErrors.scala:143)
    2. org.broadinstitute.hail.methods.MendelErrorsSuite.test(MendelErrorsSuite.scala:50)
    2 frames
  5. 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:497)
    4 frames
  6. TestNG
    RemoteTestNGStarter.main
    1. org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:85)
    2. org.testng.internal.Invoker.invokeMethod(Invoker.java:696)
    3. org.testng.internal.Invoker.invokeTestMethod(Invoker.java:882)
    4. org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1189)
    5. org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:124)
    6. org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:108)
    7. org.testng.TestRunner.privateRun(TestRunner.java:767)
    8. org.testng.TestRunner.run(TestRunner.java:617)
    9. org.testng.SuiteRunner.runTest(SuiteRunner.java:348)
    10. org.testng.SuiteRunner.runSequentially(SuiteRunner.java:343)
    11. org.testng.SuiteRunner.privateRun(SuiteRunner.java:305)
    12. org.testng.SuiteRunner.run(SuiteRunner.java:254)
    13. org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
    14. org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
    15. org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
    16. org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
    17. org.testng.TestNG.run(TestNG.java:1057)
    18. org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:72)
    19. org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:122)
    19 frames
  7. 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:497)
    4 frames
  8. IDEA
    AppMain.main
    1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
    1 frame