To reproduce this, run either HelloFullscreen or HelloFullscreenToggle. Here is the stack trace from HelloFullscreen (the log file is attached):

#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x6144e29e, pid=4920, tid=7804
#
# JRE version: 7.0_04-b20
# Java VM: Java HotSpot(TM) Client VM (23.0-b21 mixed mode, sharing windows-x86)
# Problematic frame:
# V [jvm.dll+0xae29e]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# C:\Users\kcr\javafx\8.0-kcr-gfx\jfx\rt-closed\toys\HelloWorld\hs_err_pid4920.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.sun.com/bugreport/crash.jsp
#