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  1. JDK
  2. JDK-8236912

NullPointerException when clicking in WebView with Button 4 or Button 5

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P2
    • Resolution: Fixed
    • Affects Version/s: openjfx13
    • Fix Version/s: openjfx14
    • Component/s: javafx
    • Labels:
      None
    • Subcomponent:
      web
    • CPU:
      generic
    • OS:
      generic

      Description

      A minimal example to reproduce the problem:

      import javafx.application.Application;
      import javafx.scene.Scene;
      import javafx.scene.web.WebView;
      import javafx.stage.Stage;

      public class WebViewNPE extends Application {
        @Override
        public void start(Stage stage) throws Exception {
          stage.setTitle("Try clicking with button 4 or 5 while mouse hovers over the WebView ...");

          WebView browser = new WebView();
          Scene scene = new Scene(browser, 640, 480);
          stage.setScene(scene);
          stage.show();
        }

        public static void main(String[] args) {
          launch();
        }
      }


      When clicking with Button 4 or 5 within a WebView a NullPointerException is thrown:
      Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
      at javafx.web/javafx.scene.web.WebView.processMouseEvent(WebView.java:1002)
      at javafx.web/javafx.scene.web.WebView.lambda$registerEventHandlers$3(WebView.java:1131)
      at javafx.base/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
      at javafx.base/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
      at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
      at javafx.base/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
      at javafx.base/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
      at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
      at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
      at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
      at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
      at javafx.base/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
      at javafx.base/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
      at javafx.base/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
      at javafx.base/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
      at javafx.base/javafx.event.Event.fireEvent(Event.java:198)
      at javafx.graphics/javafx.scene.Scene$MouseHandler.process(Scene.java:3862)
      at javafx.graphics/javafx.scene.Scene.processMouseEvent(Scene.java:1849)
      at javafx.graphics/javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2590)
      at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:409)
      at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:299)
      at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
      at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:447)
      at javafx.graphics/com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:412)
      at javafx.graphics/com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:446)
      at javafx.graphics/com.sun.glass.ui.View.handleMouseEvent(View.java:556)
      at javafx.graphics/com.sun.glass.ui.View.notifyMouse(View.java:942)
      at javafx.graphics/com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
      at javafx.graphics/com.sun.glass.ui.gtk.GtkApplication.lambda$runLoop$11(GtkApplication.java:277)
      at java.base/java.lang.Thread.run(Thread.java:830)

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              • Assignee:
                rlichten Robert Lichtenberger
                Reporter:
                rlichten Robert Lichtenberger
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                Dates

                • Created:
                  Updated:
                  Resolved: