Run JFXControls demo.
Exit the app by pressing the 'X' button in the upper right corner.

The following exception is thrown :

java.lang.IllegalStateException: Not on FX application thread; currentThread = JavaFX Application Thread
        at com.sun.javafx.tk.Toolkit.checkFxUserThread(Toolkit.java:189)
        at com.sun.javafx.tk.quantum.QuantumToolkit.checkFxUserThread(QuantumToolkit.java:321)
        at javafx.scene.Scene$MouseHandler.process(Scene.java:1956)
        at javafx.scene.Scene$MouseHandler.process(Scene.java:1945)
        at javafx.scene.Scene$MouseHandler.access$1000(Scene.java:1918)
        at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1017)
        at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:1565)
        at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:154)
        at com.sun.glass.ui.View.handleMouseEvent(View.java:257)
        at com.sun.glass.ui.View.notifyMouse(View.java:514)
        at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
        at com.sun.glass.ui.win.WinApplication.access$100(WinApplication.java:29)
        at com.sun.glass.ui.win.WinApplication$1$1.run(WinApplication.java:49)
        at java.lang.Thread.run(Thread.java:619)
Exception in thread "JavaFX Application Thread" BUILD SUCCESSFUL (total time: 6 seconds)