I face an exception when I start FXML-LoginDemo.jar
and the same at BrickBreaker.jar and Ensemble.jar

ava.lang.NullPointerException
at com.sun.t2k.T2KFontFactory.resolveFontFiles(T2KFontFactory.java:828)
at com.sun.t2k.T2KFontFactory.resolveWindowsFonts(T2KFontFactory.java:786)
at com.sun.t2k.T2KFontFactory.getFullNameToFileMap(T2KFontFactory.java:1351)
at com.sun.t2k.T2KFontFactory.getFontResource(T2KFontFactory.java:212)
at com.sun.t2k.LogicalFont.getSlot0Resource(LogicalFont.java:174)
at com.sun.t2k.LogicalFont.getDefaultAAMode(LogicalFont.java:300)
at com.sun.t2k.LogicalFont.getStrike(LogicalFont.java:304)
at com.sun.t2k.T2KFont.getStrike(T2KFont.java:70)
at com.sun.javafx.font.PrismFontUtils.getFontMetrics(PrismFontUtils.java:14)
at com.sun.javafx.font.PrismFontLoader.getFontMetrics(PrismFontLoader.java:434)
at javafx.scene.text.Text.<init>(Text.java:105)
at com.sun.javafx.scene.control.skin.TextFieldSkin.<init>(TextFieldSkin.java:92)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at javafx.scene.control.Control.loadSkinClass(Control.java:921)
at javafx.scene.control.Control.impl_cssSet(Control.java:999)
at javafx.scene.Node.impl_cssSet(Node.java:6493)
at com.sun.javafx.css.StyleHelper.transitionToState(StyleHelper.java:755)
at javafx.scene.Node.impl_processCSS(Node.java:6345)
at javafx.scene.Parent.impl_processCSS(Parent.java:975)
at javafx.scene.control.Control.impl_processCSS(Control.java:1026)
at javafx.scene.Parent.impl_processCSS(Parent.java:982)
at javafx.scene.Parent.impl_processCSS(Parent.java:982)
at javafx.scene.Node.processCSS(Node.java:6313)
at javafx.scene.Scene.doCSSPass(Scene.java:404)
at javafx.scene.Scene.preferredSize(Scene.java:1208)
at javafx.scene.Scene.impl_preferredSize(Scene.java:1258)
at javafx.stage.Window.adjustSize(Window.java:139)
at javafx.stage.Window.access$800(Window.java:50)
at javafx.stage.Window$13.invalidated(Window.java:692)
at javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:88)
at javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:122)
at javafx.stage.Window.setShowing(Window.java:744)
at javafx.stage.Window.show(Window.java:759)
at javafx.stage.Stage.show(Stage.java:129)
at demo.App.start(App.java:73)
at com.sun.javafx.application.LauncherImpl$5.run(LauncherImpl.java:299)
at com.sun.javafx.application.PlatformImpl$4.run(PlatformImpl.java:153)
at com.sun.javafx.application.PlatformImpl$3.run(PlatformImpl.java:120)
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$2$1.run(WinApplication.java:62)
at java.lang.Thread.run(Thread.java:722)