Hi!

I use a WebView in a Stage/Scene/VBox.

        Scene scene = new Scene(group = new VBox());
        webEngine = new WebEngine("http://www.kevs3d.co.uk/dev/lsystems/");
        webView = new WebView(webEngine);
        group.getChildren().add (webView);


HTML5 Canvas sample under this URL: http://www.kevs3d.co.uk/dev/lsystems/

Press the start Button. I get this exception:

caught: java.lang.ClassCastException: java.lang.String cannot be cast to com.sun.javafx.css.Value
key = Key {property: -fx-opacity, type: PixelSizeType, initialValue: 1.0, inherits: false, subKeys: null}
resolved = Value{ value: -fx-disabled-opacity, type: null, lookup}
java.lang.ClassCastException: java.lang.String cannot be cast to com.sun.javafx.css.Value
at com.sun.javafx.css.Type$PixelSizeType.convert(Type.java:687)
at com.sun.javafx.css.Type$PixelSizeType.convert(Type.java:683)
at com.sun.javafx.css.StyleHelper.lookup(StyleHelper.java:414)
at com.sun.javafx.css.StyleHelper.transitionToState(StyleHelper.java:197)
at javafx.scene.Node.impl_processCSS(Node.java:4192)
at javafx.scene.Parent.impl_processCSS(Parent.java:976)
at javafx.scene.control.Control.impl_processCSS(Control.java:709)
at com.sun.webpane.sg.theme.RenderThemeImpl$FormButton.impl_processCSS(RenderThemeImpl.java:208)
at com.sun.webpane.sg.theme.RenderThemeImpl.reapplyCSS(RenderThemeImpl.java:177)
at com.sun.webpane.sg.theme.RenderThemeImpl$FormButton.impl_processCSS(RenderThemeImpl.java:205)
at com.sun.webpane.sg.theme.RenderThemeImpl.processCSSLayoutSync(RenderThemeImpl.java:112)
at com.sun.webpane.sg.theme.RenderThemeImpl.createWidget(RenderThemeImpl.java:74)
at com.sun.webpane.platform.WebPage.twkUpdateContent(Native Method)
at com.sun.webpane.platform.WebPage.updateDirty(WebPage.java:294)
at com.sun.webpane.platform.WebPage.updateContent(WebPage.java:545)
at com.sun.javafx.sg.prism.NGWebView.repaint(NGWebView.java:95)
at javafx.scene.web.WebView.impl_updatePG(WebView.java:457)
at javafx.scene.Node.syncPGNode(Node.java:411)
at javafx.scene.Scene$ScenePulseListener.synchronizePGScene(Scene.java:1244)
at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:1344)
#
at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:295)
at com.sun.javafx.tk.glass.GlassToolkit.pulse(GlassToolkit.java:217)
at com.sun.javafx.tk.glass.GlassToolkit$3.run(GlassToolkit.java:184)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.access$100(WinApplication.java:14)
at com.sun.glass.ui.win.WinApplication$1.run(WinApplication.java:33)
# A fatal error has been detected by the Java Runtime Environment:
#
at java.lang.Thread.run(Thread.java:662)
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x63da9c15, pid=5036, tid=3816
#
# JRE version: 6.0_24-b07
# Java VM: Java HotSpot(TM) Client VM (19.1-b02 mixed mode, sharing windows-x86 )
# Problematic frame:
# C [WebPaneJava.dll+0x259c15]
#
# An error report file with more information is saved as:
# C:\Entw\Work\projects\javafx2\swing\WebView\hs_err_pid5036.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
Exception in thread "JavaFX Application Thread" Java Result: 1
BUILD SUCCESSFUL (total time: 1 minute 14 seconds)

br, josh.