java.lang.NullPointerException

GitHub | damithc | 10 months ago
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    NPE during travis testing

    GitHub | 10 months ago | damithc
    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.javafx.webkit.prism.WCFontImpl.getFont()
    2. com.sun.javafx
      PrismGraphicsManager.getWCFont
      1. com.sun.javafx.webkit.prism.WCFontImpl.getFont(WCFontImpl.java:53)
      2. com.sun.javafx.webkit.prism.PrismGraphicsManager.getWCFont(PrismGraphicsManager.java:83)
      2 frames
    3. com.sun.webkit
      URLLoader.lambda$didFinishLoading$96
      1. com.sun.webkit.network.URLLoader.twkDidFinishLoading(Native Method)
      2. com.sun.webkit.network.URLLoader.notifyDidFinishLoading(URLLoader.java:838)
      3. com.sun.webkit.network.URLLoader.lambda$didFinishLoading$96(URLLoader.java:829)
      3 frames
    4. com.sun.javafx
      PlatformImpl.lambda$null$173
      1. com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
      1 frame
    5. Java RT
      AccessController.doPrivileged
      1. java.security.AccessController.doPrivileged(Native Method)
      1 frame
    6. com.sun.javafx
      PlatformImpl.lambda$runLater$174
      1. com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
      1 frame
    7. com.sun.glass
      GtkApplication.lambda$null$49
      1. com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
      2. com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
      3. com.sun.glass.ui.gtk.GtkApplication.lambda$null$49(GtkApplication.java:139)
      3 frames
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame