Run the attached program under Merlin b55. It will show a Swing ColorChooser dialog. Select the HSB tab. Drag the white circle in the HSB color square and start dragging it around. Very soon, the vm will crash with the following error:

#
# HotSpot Virtual Machine Error, Internal Error
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Error ID: 43113F2C2932215353454D424C45523F53504152430E435050072C 01
#
# Problematic Thread: prio=5 tid=0x9df28 nid=0xa runnable
#
Abort