Create fx application and set project properties :
VM options : -Dprism.order=j2d
Run as web start.

After run application exception :

java.lang.ClassCastException: javafxapplication4.JavaFXApplication4 cannot be cast to java.applet.Applet
at com.sun.deploy.uitoolkit.impl.awt.AWTAppletAdapter$1.run(Unknown Source)
at com.sun.deploy.uitoolkit.impl.awt.AWTAppletAdapter.instantiateApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)