java.lang.NullPointerException

GitHub | ickis098 | 9 months ago
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    NullPointerEx Graphics Bug

    GitHub | 9 months ago | MrMonotone
    java.lang.NullPointerException
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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
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  4. 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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    Cloud Foundry v2 in Grails

    Stack Overflow | 3 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 com.sun.prism.d3d.D3DTexture.getContext()
    2. com.sun.prism
      D3DSwapChain.createGraphics
      1. com.sun.prism.d3d.D3DTexture.getContext(D3DTexture.java:84)
      2. com.sun.prism.d3d.D3DTexture.update(D3DTexture.java:207)
      3. com.sun.prism.d3d.D3DTexture.update(D3DTexture.java:151)
      4. com.sun.prism.impl.BaseContext.flushMask(BaseContext.java:109)
      5. com.sun.prism.impl.BaseContext.drawQuads(BaseContext.java:118)
      6. com.sun.prism.impl.VertexBuffer.flush(VertexBuffer.java:98)
      7. com.sun.prism.impl.BaseContext.flushVertexBuffer(BaseContext.java:101)
      8. com.sun.prism.impl.ps.BaseShaderContext.setRenderTarget(BaseShaderContext.java:746)
      9. com.sun.prism.impl.BaseContext.setRenderTarget(BaseContext.java:131)
      10. com.sun.prism.impl.BaseGraphics.<init>(BaseGraphics.java:105)
      11. com.sun.prism.impl.ps.BaseShaderGraphics.<init>(BaseShaderGraphics.java:86)
      12. com.sun.prism.d3d.D3DGraphics.<init>(D3DGraphics.java:42)
      13. com.sun.prism.d3d.D3DGraphics.create(D3DGraphics.java:65)
      14. com.sun.prism.d3d.D3DSwapChain.createGraphics(D3DSwapChain.java:131)
      14 frames
    3. com.sun.javafx
      PresentingPainter.run
      1. com.sun.javafx.tk.quantum.PresentingPainter.run(PresentingPainter.java:87)
      1 frame
    4. Java RT
      FutureTask.runAndReset
      1. java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
      2. java.util.concurrent.FutureTask.runAndReset(Unknown Source)
      2 frames
    5. com.sun.javafx
      RenderJob.run
      1. com.sun.javafx.tk.RenderJob.run(RenderJob.java:58)
      1 frame
    6. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      2 frames
    7. com.sun.javafx
      QuantumRenderer$PipelineRunnable.run
      1. com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:125)
      1 frame
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)
      1 frame