Dobrý den,
nevyčtete z tohoto někdo, kde je problém?

Exception in Application start method
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
	at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:767)
Caused by: java.lang.RuntimeException: Exception in Application start method
	at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
	at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$152(LauncherImpl.java:182)
	at com.sun.javafx.application.LauncherImpl$$Lambda$50/580024961.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)
Caused by: javafx.fxml.LoadException: 
file:/G:/Projects/NetBeans/FX/Matrix/dist/Matrix.jar!/matrix/FXMLDocument.fxml

	at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2605)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2583)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2445)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3218)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3179)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3152)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3128)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3108)
	at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3101)
	at matrix.Matrix.start(Matrix.java:22)
	at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$159(LauncherImpl.java:863)
	at com.sun.javafx.application.LauncherImpl$$Lambda$53/1456904334.run(Unknown Source)
	at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$172(PlatformImpl.java:326)
	at com.sun.javafx.application.PlatformImpl$$Lambda$46/1963387170.run(Unknown Source)
	at com.sun.javafx.application.PlatformImpl.lambda$null$170(PlatformImpl.java:295)
	at com.sun.javafx.application.PlatformImpl$$Lambda$48/1753953479.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.javafx.application.PlatformImpl.lambda$runLater$171(PlatformImpl.java:294)
	at com.sun.javafx.application.PlatformImpl$$Lambda$47/1645995473.run(Unknown Source)
	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
	at com.sun.glass.ui.win.WinApplication.lambda$null$145(WinApplication.java:101)
	at com.sun.glass.ui.win.WinApplication$$Lambda$36/1030870354.run(Unknown Source)
	... 1 more
Caused by: java.lang.NullPointerException
	at matrix.FXMLDocumentController.initialize(FXMLDocumentController.java:180)
	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2552)
	... 22 more
Exception running application matrix.Matrix
G:\Projects\NetBeans\FX\Matrix\nbproject\build-impl.xml:1051: The following error occurred while executing this line:
G:\Projects\NetBeans\FX\Matrix\nbproject\build-impl.xml:805: Java returned: 1

Ještě chvíli předtím, než jsem se pustil do tohoto programu jsem měl prakticky stejný problém s předchozím programem. Spustil jsem to tedy přes Debug a najednou to šlo. Když jsem později ve Scene Builderu změnil vzhled, zase to házelo chybu, tak jsem to zase spustil přes Debug.
Připadá mi, že není problém na mé straně.

PS: Tento nelze spustit ani pomocí Debuggeru.

Předem děkuji za odpovědi.