java.lang.NullPointerException

JIRA | Eric Eckstrand | 2 years ago
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  1. 0

    In H2OSchemaRDDTest, Junit DataFrame[T_ENUM] to SchemaRDD[StringType] fails on schemaRDD.count with: java.lang.NullPointerException at org.apache.spark.rdd.H2OSchemaRDD$$anon$1.next(H2OSchemaRDD.scala:73) at org.apache.spark.rdd.H2OSchemaRDD$$anon$1.next(H2OSchemaRDD.scala:44) at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) at org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:132) at org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:128) at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601) at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) at org.apache.spark.scheduler.Task.run(Task.scala:56) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)

    JIRA | 2 years ago | Eric Eckstrand
    java.lang.NullPointerException
  2. 0

    In H2OSchemaRDDTest, Junit DataFrame[T_ENUM] to SchemaRDD[StringType] fails on schemaRDD.count with: java.lang.NullPointerException at org.apache.spark.rdd.H2OSchemaRDD$$anon$1.next(H2OSchemaRDD.scala:73) at org.apache.spark.rdd.H2OSchemaRDD$$anon$1.next(H2OSchemaRDD.scala:44) at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) at org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:132) at org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:128) at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601) at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) at org.apache.spark.scheduler.Task.run(Task.scala:56) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)

    JIRA | 2 years ago | Eric Eckstrand
    java.lang.NullPointerException
  3. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
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  5. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
  6. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.spark.rdd.H2OSchemaRDD$$anon$1.next()
    2. Spark
      H2OSchemaRDD$$anon$1.next
      1. org.apache.spark.rdd.H2OSchemaRDD$$anon$1.next(H2OSchemaRDD.scala:73)
      2. org.apache.spark.rdd.H2OSchemaRDD$$anon$1.next(H2OSchemaRDD.scala:44)
      2 frames
    3. Scala
      Iterator$$anon$11.next
      1. scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
      1 frame
    4. Spark Project SQL
      Aggregate$$anonfun$execute$1$$anonfun$6.apply
      1. org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:132)
      2. org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:128)
      2 frames
    5. Spark
      Executor$TaskRunner.run
      1. org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601)
      2. org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:601)
      3. org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
      4. org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263)
      5. org.apache.spark.rdd.RDD.iterator(RDD.scala:230)
      6. org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
      7. org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263)
      8. org.apache.spark.rdd.RDD.iterator(RDD.scala:230)
      9. org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
      10. org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
      11. org.apache.spark.scheduler.Task.run(Task.scala:56)
      12. org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196)
      12 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