In Windows,Invalid Key Code exception was thrown for Up, Down, Right, Left arrow keys when pressed using robot.

How to reproduce the Bug? -------->
Run this sample code. You would see a frame with a red Canvas.This is an automated test. No user interaction allowed.The robot will press the different arrow keys.If key events are triggered, the message will be displayed on the text area.

If Invalid Key Code exception is thrown , the bug is reproduced.