Before widows intercept the crash of java.exe that appears to the console.

java.lang.NullPointerException
at chartssampler.AreaDemo$8$1.handle(AreaDemo.java:133)
at chartssampler.AreaDemo$8$1.handle(AreaDemo.java:131)
at com.sun.scenario.animation.shared.TimelineClipCore.visitKeyFrame(TimelineClipCore.java:196)
at com.sun.scenario.animation.shared.TimelineClipCore.playTo(TimelineClipCore.java:137)
at javafx.animation.Timeline.impl_playTo(Timeline.java:177)
at com.sun.scenario.animation.shared.GeneralClipEnvelope.visitCycle(GeneralClipEnvelope.java:255)
at com.sun.scenario.animation.shared.GeneralClipEnvelope.timePulse(GeneralClipEnvelope.java:184)
at javafx.animation.Animation.impl_timePulse(Animation.java:803)
at com.sun.scenario.animation.shared.AnimationPulseReceiver.timePulse(AnimationPulseReceiver.java:85)
at com.sun.scenario.animation.AbstractMasterTimer.timePulseImpl(AbstractMasterTimer.java:338)
at com.sun.scenario.animation.AbstractMasterTimer$MainLoop.run(AbstractMasterTimer.java:252)
at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:352)
at com.sun.javafx.tk.quantum.QuantumToolkit$10.run(QuantumToolkit.java:291)
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:662)