Using jre8-b65 promotion, one can not load JavaFX applet with Firefox browser

*** Tested Configuration:
- x86 Ubuntu 12.04
- Firefox 16.x
- jre8-b65 promotion

*** Steps to reproduce:
0) Install jre8-b65
1) Configure Firefox to use the installed plug-in
2) Use Firefox to invoke the sample JavaFX
http://jre.us.oracle.com/java/re/javafx/8.0/promoted/ea/b65/binaries/linux-i586/javafx-samples-8.0.0-ea/BouncingBalls.html

If the applet fails to load, the issue is reproducible