JFXPanel with WebView in JDK8

[Petr Pchelko]

Hello, Artem.

> This exception is expected, when an old JDK8 build is used.
Actually I suppose it’s a bug, here’s a JIRA for it: https://javafx-jira.kenai.com/browse/RT-34077
I’ll fix it in a couple of days probably.

With best regards. Petr.

On Nov 6, 2013, at 11:53 AM, Artem Ananiev <artem.ananiev at oracle.com> wrote:

> Hi, Lidierth,
> 
> what JDK8 version do you run your app? This exception is expected, when an old JDK8 build is used.
> 
> Thanks,
> 
> Artem
> 
> On 11/5/2013 11:37 PM, Lidierth Malcolm wrote:
>> 
>> NOTE: THIS EXCEPTION OCCURS WITH JDK8, BUT NOT WITH JDK7
>> 
>> public class NewFXMain1 {
>> 
>>     public static void main(String[] args) throws InterruptedException,
>> InvocationTargetException {
>> 
>>         EventQueue.invokeAndWait(new Runnable() {
>> 
>>             // Create the Swing components on the EDT
>>             @Override
>>             public void run() {
>>                 JFrame f = new JFrame();
>>                 f.getContentPane().setPreferredSize(new Dimension(500,
>> 500));
>>                 f.pack();
>>                 f.setVisible(true);
>>                 final JFXPanel jfx = new JFXPanel();
>>                 f.getContentPane().add(jfx);
>> 
>>                 // FX Thread
>>                 Platform.runLater(new Runnable() {
>>                     @Override
>>                     public void run() {
>>                         WebView browser = new WebView();
>>                         WebEngine webEngine = browser.getEngine();
>>                         // This is a reference to a web page on the
>> Waterloo web site
>> webEngine.load("http://waterloo.sourceforge.net/devwebpage/MathJax/mathjax.html");
>> 
>>                         Scene s = new Scene(browser);
>>                         jfx.setScene(s);
>>                     }
>>                 });
>> 
>>             }
>>         });
>>     }
>> }
>> 
>> 
>> This gives (Note: using JDK8 and Running from NetBeans 7.4):
>> 
>> Executing
>> C:\Users\malcolm\Documents\waterloo\Sources\Java\kcl-waterloo-jfx\dist\run1852659813\kcl-waterloo-jfx.jar
>> using platform C:\Program Files\Java\jdk1.8.0/bin/java
>> Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
>>     at
>> javafx.embed.swing.JFXPanel.getInputMethodRequests(JFXPanel.java:744)
>>     at
>> sun.awt.im.InputMethodAdapter.haveActiveClient(InputMethodAdapter.java:61)
>>     at sun.awt.windows.WInputMethod.activate(WInputMethod.java:285)
>>     at sun.awt.im.InputContext.activateInputMethod(InputContext.java:396)
>>     at sun.awt.im.InputContext.focusGained(InputContext.java:338)
>>     at sun.awt.im.InputContext.dispatchEvent(InputContext.java:245)
>>     at
>> sun.awt.im.InputMethodContext.dispatchEvent(InputMethodContext.java:196)
>>     at java.awt.Component.dispatchEventImpl(Component.java:4817)
>>     at java.awt.Container.dispatchEventImpl(Container.java:2293)
>>     at java.awt.Component.dispatchEvent(Component.java:4707)
>>     at
>> java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954)
>> 
>>     at
>> java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:986)
>> 
>>     at
>> java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:610)
>> 
>>     at java.awt.Component.dispatchEventImpl(Component.java:4756)
>>     at java.awt.Container.dispatchEventImpl(Container.java:2293)
>>     at java.awt.Component.dispatchEvent(Component.java:4707)
>>     at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
>>     at java.awt.EventQueue.access$400(EventQueue.java:97)
>>     at java.awt.EventQueue$3.run(EventQueue.java:697)
>>     at java.awt.EventQueue$3.run(EventQueue.java:691)
>>     at java.security.AccessController.doPrivileged(Native Method)
>>     at
>> java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
>> 
>>     at
>> java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
>> 
>>     at java.awt.EventQueue$4.run(EventQueue.java:719)
>>     at java.awt.EventQueue$4.run(EventQueue.java:717)
>>     at java.security.AccessController.doPrivileged(Native Method)
>>     at
>> java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
>> 
>>     at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
>>     at
>> java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:220)
>> 
>>     at
>> java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:135)
>> 
>>     at
>> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:123)
>> 
>>     at
>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:119)
>>     at
>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:111)
>>     at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
>>