At least on linux this exception is thrown if the settings button is pressed.
01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m═╦═⚀ Content could not be loaded
[0;39m01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m ╚══╦═⚀ file:/home/divine/release/local/repo/org/openbase/bco/bcozy/1.4-SNAPSHOT/bcozy-1.4-SNAPSHOT.jar!/SettingsMenu.fxml
[0;39m01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m ╚══╦═⚀ InvocationTargetException
[0;39m01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m ╚══╦═⚀ javafx.fxml.LoadException: file:/home/divine/release/local/repo/org/openbase/bco/bcozy/1.4-SNAPSHOT/bcozy-1.4-SNAPSHOT.jar!/UserSettingsPane.fxml
[0;39m01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m ╚══╦═⚀ file:/home/divine/release/local/repo/org/openbase/bco/bcozy/1.4-SNAPSHOT/bcozy-1.4-SNAPSHOT.jar!/UserSettingsPane.fxml
[0;39m01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m ╚══╦═⚀ InvocationTargetException
[0;39m01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m ╚══╦═⚀ ExceptionInInitializerError
[0;39m01:01:18.713 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m ╚════⚀ NullPointerException
[0;39m01:01:18.714 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m=====================================
[0;39m01:01:18.714 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31mContent could not be loaded
[0;39morg.openbase.jul.exception.CouldNotPerformException: Content could not be loaded
at org.openbase.jul.exception.printer.ExceptionPrinter.printHistory(ExceptionPrinter.java:144)
at org.openbase.bco.bcozy.view.CenterPane.loadSettingsMenu(CenterPane.java:127)
at org.openbase.bco.bcozy.view.CenterPane.(CenterPane.java:72)
at org.openbase.bco.bcozy.view.ForegroundPane.(ForegroundPane.java:59)
at org.openbase.bco.bcozy.BCozy.start(BCozy.java:133)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$162(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at com.sun.glass.ui.gtk.GtkApplication.lambda$null$49(GtkApplication.java:139)
at java.lang.Thread.run(Thread.java:748)
Caused by: javafx.fxml.LoadException:
file:/home/divine/release/local/repo/org/openbase/bco/bcozy/1.4-SNAPSHOT/bcozy-1.4-SNAPSHOT.jar!/SettingsMenu.fxml
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2571)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:2409)
at org.openbase.bco.bcozy.view.CenterPane.loadSettingsMenu(CenterPane.java:112)
... 12 common frames omitted
Caused by: java.lang.reflect.InvocationTargetException: null
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:498)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2566)
... 15 common frames omitted
Caused by: java.io.UncheckedIOException: javafx.fxml.LoadException:
file:/home/divine/release/local/repo/org/openbase/bco/bcozy/1.4-SNAPSHOT/bcozy-1.4-SNAPSHOT.jar!/UserSettingsPane.fxml
at org.openbase.bco.bcozy.controller.SettingsController.loadUserSettingsPane(SettingsController.java:159)
at org.openbase.bco.bcozy.controller.SettingsController.initialize(SettingsController.java:101)
... 25 common frames omitted
Caused by: javafx.fxml.LoadException:
file:/home/divine/release/local/repo/org/openbase/bco/bcozy/1.4-SNAPSHOT/bcozy-1.4-SNAPSHOT.jar!/UserSettingsPane.fxml
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2571)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:2409)
at org.openbase.bco.bcozy.controller.SettingsController.loadUserSettingsPane(SettingsController.java:147)
... 26 common frames omitted
Caused by: java.lang.reflect.InvocationTargetException: null
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:498)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2566)
... 29 common frames omitted
Caused by: java.lang.ExceptionInInitializerError: null
at org.openbase.bco.bcozy.util.Languages.getInstance(Languages.java:26)
at org.openbase.bco.bcozy.controller.UserSettingsController.initializeLanguages(UserSettingsController.java:119)
at org.openbase.bco.bcozy.controller.UserSettingsController.initialize(UserSettingsController.java:101)
... 39 common frames omitted
Caused by: java.lang.NullPointerException: null
at org.openbase.bco.bcozy.util.Languages.getFileMatches(Languages.java:77)
at org.openbase.bco.bcozy.util.Languages.getLocalesFromBundles(Languages.java:57)
at org.openbase.bco.bcozy.util.Languages.(Languages.java:37)
at org.openbase.bco.bcozy.util.Languages.(Languages.java:15)
at org.openbase.bco.bcozy.util.Languages$InstanceHolder.(Languages.java:22)
... 42 common frames omitted
01:01:18.714 [JavaFX Application Thread] [1;31mERROR[0;39m [36mo.o.b.b.v.CenterPane[0;39m [1;31m=====================================
At least on linux this exception is thrown if the settings button is pressed.