org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 4.0 failed 4 times, most recent failure: Lost task 1.3 in stage 4.0 (TID 48, ip-10-157-155-247.ec2.internal): java.lang.NullPointerException

GitHub | fcesco | 3 months ago
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    GitHub | 3 months ago | fcesco
    org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 4.0 failed 4 times, most recent failure: Lost task 1.3 in stage 4.0 (TID 48, ip-10-157-155-247.ec2.internal): java.lang.NullPointerException
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    Couldn't run spark example org.deeplearning4j.examples.cnn.MnistExample

    GitHub | 9 months ago | hhhhzzz
    org.apache.spark.SparkException: Job aborted due to stage failure: Task 42 in stage 4.0 failed 4 times, most recent failure: Lost task 42.3 in stage 4.0 (TID 543, simfarm755.dft.twosigma.com): java.lang.NullPointerException
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    Stack Overflow | 10 months ago | user299791
    org.apache.spark.SparkException: Job aborted due to stage failure: Task 3 in stage 4.0 failed 1 times, most recent failure: Lost task 3.0 in stage 4.0 (TID 206, localhost): java.lang.NullPointerException
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    NullPointerException when Training Imagenet

    GitHub | 6 months ago | GalaxyStyle
    org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 2.0 failed 4 times, most recent failure: Lost task 1.3 in stage 2.0 (TID 10, pc-2): java.lang.NullPointerException
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    java.lang.NullPointerException on EC2

    GitHub | 9 months ago | carlossneto
    org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 4.0 failed 4 times, most recent failure: Lost task 0.3 in stage 4.0 (TID 12, ip-172-31-13-171.eu-west-1.compute.internal): java.lang.NullPointerException

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    Root Cause Analysis

    1. org.apache.spark.SparkException

      Job aborted due to stage failure: Task 1 in stage 4.0 failed 4 times, most recent failure: Lost task 1.3 in stage 4.0 (TID 48, ip-10-157-155-247.ec2.internal): java.lang.NullPointerException

      at org.deeplearning4j.spark.text.functions.TokenizerFunction.call()
    2. org.deeplearning4j.spark
      TokenizerFunction.call
      1. org.deeplearning4j.spark.text.functions.TokenizerFunction.call(TokenizerFunction.java:52)
      2. org.deeplearning4j.spark.text.functions.TokenizerFunction.call(TokenizerFunction.java:33)
      2 frames
    3. Spark
      JavaPairRDD$$anonfun$toScalaFunction$1.apply
      1. org.apache.spark.api.java.JavaPairRDD$$anonfun$toScalaFunction$1.apply(JavaPairRDD.scala:1015)
      1 frame
    4. Scala
      Iterator$$anon$11.next
      1. scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
      2. scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
      2 frames
    5. Spark
      Executor$TaskRunner.run
      1. org.apache.spark.util.Utils$.getIteratorSize(Utils.scala:1597)
      2. org.apache.spark.rdd.RDD$$anonfun$count$1.apply(RDD.scala:1157)
      3. org.apache.spark.rdd.RDD$$anonfun$count$1.apply(RDD.scala:1157)
      4. org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1858)
      5. org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1858)
      6. org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
      7. org.apache.spark.scheduler.Task.run(Task.scala:89)
      8. org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
      8 frames
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      3. java.lang.Thread.run(Thread.java:745)
      3 frames