Kevin and David,
Could you please take a look at this fix to RT-39869?  I added some 
checking to avoid the IOOBE from the native Glass system menus.
Thanks,
         --morris
WEBREV - http://cr.openjdk.java.net/~morris/RT-39869.01
JIRA - https://javafx-jira.kenai.com/browse/RT-39869