java.lang.NullPointerException

GitHub | stiell | 6 months ago
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  1. 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
  2. 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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  4. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
  5. 0

    NullPointerException in MIDlet with left soft key

    Stack Overflow | 6 years ago | berry120
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callItemListener(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$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

      No message provided

      at com.sun.scenario.effect.impl.sw.sse.SSELinearConvolvePeer.filter()
    2. com.sun.scenario
      SSELinearConvolvePeer.filter
      1. com.sun.scenario.effect.impl.sw.sse.SSELinearConvolvePeer.filter(SSELinearConvolvePeer.java:83)
      2. com.sun.scenario.effect.impl.sw.sse.SSELinearConvolvePeer.filter(SSELinearConvolvePeer.java:44)
      2 frames
    3. Java Swing/2D Scene Graph
      FilterEffect.filter
      1. com.sun.scenario.effect.LinearConvolveCoreEffect.filterImageDatas(LinearConvolveCoreEffect.java:85)
      2. com.sun.scenario.effect.LinearConvolveCoreEffect.filterImageDatas(LinearConvolveCoreEffect.java:41)
      3. com.sun.scenario.effect.FilterEffect.filter(FilterEffect.java:195)
      3 frames
    4. com.sun.scenario
      PrEffectHelper.render
      1. com.sun.scenario.effect.impl.prism.PrEffectHelper.render(PrEffectHelper.java:166)
      1 frame
    5. com.sun.javafx
      UploadingPainter.run
      1. com.sun.javafx.sg.prism.EffectFilter.render(EffectFilter.java:61)
      2. com.sun.javafx.sg.prism.NGNode.renderEffect(NGNode.java:2365)
      3. com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2050)
      4. com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1945)
      5. com.sun.javafx.tk.quantum.ViewPainter.doPaint(ViewPainter.java:477)
      6. com.sun.javafx.tk.quantum.ViewPainter.paintImpl(ViewPainter.java:330)
      7. com.sun.javafx.tk.quantum.UploadingPainter.run(UploadingPainter.java:134)
      7 frames
    6. Java RT
      FutureTask.runAndReset
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      2. java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
      2 frames
    7. com.sun.javafx
      RenderJob.run
      1. com.sun.javafx.tk.RenderJob.run(RenderJob.java:58)
      1 frame
    8. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      2 frames
    9. com.sun.javafx
      QuantumRenderer$PipelineRunnable.run
      1. com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:125)
      1 frame
    10. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame