Description - Java Console can not be closed or invoked through system tray icon

Steps to reproduce:

Test 1:
Open Java Control Panel and enable the Java Console

Install b12 pit bundles from the following location:
http://j2se.east/plugin/1.6.0_10-pit/2008-02-05/windows-i586/

Invoke any applet, for ex. from java.sun.com at:
http://java.sun.com/products/plugin/1.5.0/demos/plugin/applets.html

Try to close the java console.
Actual Behavior - Java Console can not be closed
The following exceptions are thrown:

Exception in thread "AWT-EventQueue-1" java.lang.ClassCastException: com.sun.deploy.services.WPlatformService cannot be cast to sun.plugin.services.BrowserService
at sun.plugin2.main.client.Plugin2ConsoleController.isIconifiedOnClose(Unknown Source)
at com.sun.deploy.util.ConsoleWindow$24.windowClosing(Unknown Source)
at java.awt.AWTEventMulticaster.windowClosing(Unknown Source)
at java.awt.Window.processWindowEvent(Unknown Source)
at javax.swing.JFrame.processWindowEvent(Unknown Source)
at java.awt.Window.processEvent(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.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)

Test 2:
Disable Java Console through Java Control Panel

Invoke any applet

Try to open the java console through the system tray java icon
Actual behavior - Java Console does not come up.

Note: Tried with old plugin and this problem is not there.