We try to implement a drag and drop function in jquery on our application using a javaFX WebView (see https://github.com/dahuapp/Dahu/issues/14 ) .
The drag and drop works well on Windows 7 and Mac systems but exception are risen on Linux (tested on Ubuntu 12.04 and Debian, x86_64).
Here is the stack trace of the problem :
Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
at javafx.scene.web.WebView$18.handle(WebView.java:1173)
at javafx.scene.web.WebView$18.handle(WebView.java:1165)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:69)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:217)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:170)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:38)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:37)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:53)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:33)
at javafx.event.Event.fireEvent(Event.java:171)
at javafx.scene.Scene$DnDGesture.handleExitEnter(Scene.java:2878)
at javafx.scene.Scene$DnDGesture.processTargetEnterOver(Scene.java:2775)
at javafx.scene.Scene$DnDGesture.access$6100(Scene.java:2607)
at javafx.scene.Scene$DropTargetListener.dragOver(Scene.java:2534)
at com.sun.javafx.tk.quantum.GlassSceneDnDEventHandler$4.run(GlassSceneDnDEventHandler.java:126)
at com.sun.javafx.tk.quantum.GlassSceneDnDEventHandler$4.run(GlassSceneDnDEventHandler.java:117)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassSceneDnDEventHandler.handleDragOver(GlassSceneDnDEventHandler.java:117)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleDragOver(GlassViewEventHandler.java:422)
at com.sun.glass.ui.View.handleDragOver(View.java:701)
at com.sun.glass.ui.View.notifyDragOver(View.java:1010)
at com.sun.glass.ui.gtk.GtkDnDClipboard.pushToSystemImpl(Native Method)
at com.sun.glass.ui.gtk.GtkDnDClipboard.pushToSystem(GtkDnDClipboard.java:24)
at com.sun.glass.ui.SystemClipboard.flush(SystemClipboard.java:28)
at com.sun.glass.ui.ClipboardAssistance.flush(ClipboardAssistance.java:34)
at com.sun.javafx.tk.quantum.QuantumClipboard.flush(QuantumClipboard.java:197)
at com.sun.javafx.tk.quantum.QuantumToolkit.startDrag(QuantumToolkit.java:1195)
at javafx.scene.Scene$DnDGesture.dragDetectedProcessed(Scene.java:2652)
at javafx.scene.Scene$DnDGesture.process(Scene.java:2713)
at javafx.scene.Scene$DnDGesture.access$8700(Scene.java:2607)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3344)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3168)
at javafx.scene.Scene$MouseHandler.access$1900(Scene.java:3123)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1563)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2265)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:250)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:173)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:292)
at com.sun.glass.ui.View.handleMouseEvent(View.java:528)
at com.sun.glass.ui.View.notifyMouse(View.java:922)
at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at com.sun.glass.ui.gtk.GtkApplication$3$1.run(GtkApplication.java:82)
at java.lang.Thread.run(Thread.java:722)
We use the java version 1.7.0_21
The drag and drop works well on Windows 7 and Mac systems but exception are risen on Linux (tested on Ubuntu 12.04 and Debian, x86_64).
Here is the stack trace of the problem :
Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
at javafx.scene.web.WebView$18.handle(WebView.java:1173)
at javafx.scene.web.WebView$18.handle(WebView.java:1165)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:69)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:217)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:170)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:38)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:37)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:53)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:33)
at javafx.event.Event.fireEvent(Event.java:171)
at javafx.scene.Scene$DnDGesture.handleExitEnter(Scene.java:2878)
at javafx.scene.Scene$DnDGesture.processTargetEnterOver(Scene.java:2775)
at javafx.scene.Scene$DnDGesture.access$6100(Scene.java:2607)
at javafx.scene.Scene$DropTargetListener.dragOver(Scene.java:2534)
at com.sun.javafx.tk.quantum.GlassSceneDnDEventHandler$4.run(GlassSceneDnDEventHandler.java:126)
at com.sun.javafx.tk.quantum.GlassSceneDnDEventHandler$4.run(GlassSceneDnDEventHandler.java:117)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassSceneDnDEventHandler.handleDragOver(GlassSceneDnDEventHandler.java:117)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleDragOver(GlassViewEventHandler.java:422)
at com.sun.glass.ui.View.handleDragOver(View.java:701)
at com.sun.glass.ui.View.notifyDragOver(View.java:1010)
at com.sun.glass.ui.gtk.GtkDnDClipboard.pushToSystemImpl(Native Method)
at com.sun.glass.ui.gtk.GtkDnDClipboard.pushToSystem(GtkDnDClipboard.java:24)
at com.sun.glass.ui.SystemClipboard.flush(SystemClipboard.java:28)
at com.sun.glass.ui.ClipboardAssistance.flush(ClipboardAssistance.java:34)
at com.sun.javafx.tk.quantum.QuantumClipboard.flush(QuantumClipboard.java:197)
at com.sun.javafx.tk.quantum.QuantumToolkit.startDrag(QuantumToolkit.java:1195)
at javafx.scene.Scene$DnDGesture.dragDetectedProcessed(Scene.java:2652)
at javafx.scene.Scene$DnDGesture.process(Scene.java:2713)
at javafx.scene.Scene$DnDGesture.access$8700(Scene.java:2607)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3344)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3168)
at javafx.scene.Scene$MouseHandler.access$1900(Scene.java:3123)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1563)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2265)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:250)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:173)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:292)
at com.sun.glass.ui.View.handleMouseEvent(View.java:528)
at com.sun.glass.ui.View.notifyMouse(View.java:922)
at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at com.sun.glass.ui.gtk.GtkApplication$3$1.run(GtkApplication.java:82)
at java.lang.Thread.run(Thread.java:722)
We use the java version 1.7.0_21
- relates to
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JDK-8124684 Mac: Dragboard returns null for some formats on Mac
-
- Resolved
-
-
JDK-8119148 HTML5 Drag'n'Drop seems to be not working in Lombard builds
-
- Closed
-