Target platform: Windows XP AMD 64 bit
          build: J2SE 6.0-build 59b beta
          bundle: exe package

Steps to reproduce:
1. Install JDK 6.0-beta build 59b with the exe package onto the system test
2. Make sure the Java Control Panel displayed (Start -> settings ->Control panel -> Java -> Advanced -> Show consol).
3. Install the Firefox 1.0 browser
4. Open C:\Program Files (x86)\Java\jdk1.6.0\demo\applets\Animator\Example*.html in the Firefox browser.
5. Click on the image and check the Java consol.
6. Repeat step 5-6 for the C:\Program Files (x86)\Java\jdk1.6.0\demo\plugin\applets\Animator\Example*.html


Expect result:
There should be no exception in the Java Control panel.

Actual result:
Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

Detail logs
============
C:\Program Files (x86)\Java\jdk1.6.0\demo\jfc\Java2D>uname -a
Windows_NT COLFAX001 5 02 586

C:\Program Files (x86)\Java\jdk1.6.0\demo\jfc\Java2D>java -version
java version "1.6.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-beta-b59b)
Java HotSpot(TM) Client VM (build 1.6.0-beta-b59b, mixed mode, sharing)

In the Java Control Panel
===============================
Java Plug-in 1.6.0-beta
Using JRE version 1.6.0-beta Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\Administrator

----------------------------------------------------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
p: reload proxy configuration
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
----------------------------------------------------

Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source
 at java.util.EventObject.<init>(Unknown Source)
 at java.awt.AWTEvent.<init>(Unknown Source)
 at java.awt.event.ComponentEvent.<init>(Unknown Source)
 at java.awt.event.WindowEvent.<init>(Unknown Source)
 at java.awt.event.WindowEvent.<init>(Unknown Source)
 at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
 at java.awt.Component.dispatchEventImpl(Unknown Source)
 at java.awt.Container.dispatchEventImpl(Unknown Source)
 at java.awt.Window.dispatchEventImpl(Unknown Source)
 at java.awt.Component.dispatchEvent(Unknown Source)
 at java.awt.EventQueue.dispatchEvent(Unknown Source)
 at java.awt.SequencedEvent.dispatch(Unknown Source)
 at java.awt.EventQueue.dispatchEvent(Unknown Source)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
 at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
 at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
 at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
 at java.awt.EventDispatchThread.run(Unknown Source)