COMPATIBILITY JGames.com - Schauser produces java.lang.InterruptedException: sleep interrupted

Exception:
java.lang.InterruptedException: sleep interrupted
at java.lang.Thread.sleep(Native Method)
at Animator.run(Animator.java:24)
at java.lang.Thread.run(Unknown Source)

It does not produce exception with MSVM, but it does with 1.5.0-FCs, 1.5.0_10-b03 and 1.5.0_11-ea-b01.

How to reproduce?

1. Install Sun Jre and make sure it registers plugins with browser (IE6).
2. Go to URL http://www.jgames.com
3. Select 'Schnauser' from the top of the list.
4. Review the instructions if desired.
5. Play the game testing all features and functionality.
6. Reload the applet by holding down the 'Shift' key and clicking refresh.
7. Attempt to resize the applet/browser window..
8. Open another instance of the applet using 'Ctrl-N'.
9. Close all applet windows to terminate the applet.
10. Check the Java Console for errors/warnings.