java.lang.NullPointerException: null

Google Groups | Nikhil Sharma | 7 months ago
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    Exceptions whenever compaction happens

    Google Groups | 7 months ago | Nikhil Sharma
    java.lang.NullPointerException: null
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    Unable to start Cassandra due to corrupted sstable

    Stack Overflow | 11 months ago | Zavfel
    java.lang.NullPointerException: null
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    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
  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

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    Root Cause Analysis

    1. java.lang.NullPointerException

      null

      at org.apache.cassandra.db.Slices$ArrayBackedSlices$ComponentOfSlice.isEQ()
    2. org.apache.cassandra
      MessageDeliveryTask.run
      1. org.apache.cassandra.db.Slices$ArrayBackedSlices$ComponentOfSlice.isEQ(Slices.java:748)[apache-cassandra-3.0.9.jar:3.0.9]
      2. org.apache.cassandra.db.Slices$ArrayBackedSlices.toCQLString(Slices.java:659)[apache-cassandra-3.0.9.jar:3.0.9]
      3. org.apache.cassandra.db.filter.ClusteringIndexSliceFilter.toCQLString(ClusteringIndexSliceFilter.java:150)[apache-cassandra-3.0.9.jar:3.0.9]
      4. org.apache.cassandra.db.SinglePartitionReadCommand.appendCQLWhereClause(SinglePartitionReadCommand.java:911)[apache-cassandra-3.0.9.jar:3.0.9]
      5. org.apache.cassandra.db.ReadCommand.toCQLString(ReadCommand.java:560)[apache-cassandra-3.0.9.jar:3.0.9]
      6. org.apache.cassandra.db.ReadCommand$1MetricRecording.onClose(ReadCommand.java:506)[apache-cassandra-3.0.9.jar:3.0.9]
      7. org.apache.cassandra.db.transform.BasePartitions.runOnClose(BasePartitions.java:70)[apache-cassandra-3.0.9.jar:3.0.9]
      8. org.apache.cassandra.db.transform.BaseIterator.close(BaseIterator.java:76)[apache-cassandra-3.0.9.jar:3.0.9]
      9. org.apache.cassandra.db.ReadCommandVerbHandler.doVerb(ReadCommandVerbHandler.java:48)[apache-cassandra-3.0.9.jar:3.0.9]
      10. org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:67)[apache-cassandra-3.0.9.jar:3.0.9]
      10 frames
    3. Java RT
      Executors$RunnableAdapter.call
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[na:1.8.0_102]
      1 frame
    4. org.apache.cassandra
      SEPWorker.run
      1. org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)[apache-cassandra-3.0.9.jar:3.0.9]
      2. org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:136)[apache-cassandra-3.0.9.jar:3.0.9]
      3. org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)[apache-cassandra-3.0.9.jar:3.0.9]
      3 frames
    5. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)[na:1.8.0_102]
      1 frame