java.lang.NullPointerException

GitHub | matthiaskoenig | 9 months ago
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  1. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 7 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 | 3 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 org.codefx.libfx.control.webview.DefaultWebViewHyperlinkListenerHandle.onEachLinkForEachManagedEventType()
    2. org.codefx.libfx
      ExecuteAlwaysWhen.lambda$new$17
      1. org.codefx.libfx.control.webview.DefaultWebViewHyperlinkListenerHandle.onEachLinkForEachManagedEventType(DefaultWebViewHyperlinkListenerHandle.java:200)
      2. org.codefx.libfx.control.webview.DefaultWebViewHyperlinkListenerHandle.attachListenerInApplicationThread(DefaultWebViewHyperlinkListenerHandle.java:147)
      3. org.codefx.libfx.control.webview.DefaultWebViewHyperlinkListenerHandle.lambda$attachInApplicationThreadEachTimeLoadSucceeds$38(DefaultWebViewHyperlinkListenerHandle.java:133)
      4. org.codefx.libfx.concurrent.when.ExecuteAlwaysWhen.tryExecuteAction(ExecuteAlwaysWhen.java:168)
      5. org.codefx.libfx.concurrent.when.ExecuteAlwaysWhen.lambda$new$17(ExecuteAlwaysWhen.java:121)
      5 frames
    3. com.sun.javafx
      ExpressionHelper.fireValueChangedEvent
      1. com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
      2. com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
      2 frames
    4. javafx.beans.property
      ObjectPropertyBase.set
      1. javafx.beans.property.ReadOnlyObjectPropertyBase.fireValueChangedEvent(ReadOnlyObjectPropertyBase.java:74)
      2. javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(ReadOnlyObjectWrapper.java:102)
      3. javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112)
      4. javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146)
      4 frames
    5. javafx.scene.web
      WebEngine$PageLoadListener.dispatchLoadEvent
      1. javafx.scene.web.WebEngine$LoadWorker.updateState(WebEngine.java:1260)
      2. javafx.scene.web.WebEngine$LoadWorker.dispatchLoadEvent(WebEngine.java:1371)
      3. javafx.scene.web.WebEngine$LoadWorker.access$1200(WebEngine.java:1253)
      4. javafx.scene.web.WebEngine$PageLoadListener.dispatchLoadEvent(WebEngine.java:1240)
      4 frames
    6. com.sun.webkit
      URLLoader.lambda$didFinishLoading$98
      1. com.sun.webkit.WebPage.fireLoadEvent(WebPage.java:2416)
      2. com.sun.webkit.WebPage.fwkFireLoadEvent(WebPage.java:2260)
      3. com.sun.webkit.network.URLLoader.twkDidFinishLoading(Native Method)
      4. com.sun.webkit.network.URLLoader.notifyDidFinishLoading(URLLoader.java:838)
      5. com.sun.webkit.network.URLLoader.lambda$didFinishLoading$98(URLLoader.java:829)
      5 frames
    7. com.sun.javafx
      PlatformImpl.lambda$null$173
      1. com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
      1 frame
    8. Java RT
      AccessController.doPrivileged
      1. java.security.AccessController.doPrivileged(Native Method)
      1 frame
    9. com.sun.javafx
      PlatformImpl.lambda$runLater$174
      1. com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
      1 frame
    10. com.sun.glass
      GtkApplication.lambda$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
    11. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame