FULL PRODUCT VERSION :


A DESCRIPTION OF THE PROBLEM :
Pressing ALT-<left-arrow> or ALT-<right-arrow> on application having all menus disabled will cause StackOverflowError.



STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run attached example program, press ALT-<arrow-left>

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Nothing would happen (no Exception at least)
ACTUAL -
java.lang.StackOverflowError is thrown

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "JavaFX Application Thread" java.lang.StackOverflowError
            at com.sun.javafx.collections.ObservableListWrapper.size(ObservableListWrapper.java:94)
            at com.sun.javafx.collections.VetoableListDecorator.size(VetoableListDecorator.java:176)
            at com.sun.javafx.scene.control.skin.MenuBarSkin.findPreviousSibling(MenuBarSkin.java:995)
            at com.sun.javafx.scene.control.skin.MenuBarSkin.findPreviousSibling(MenuBarSkin.java:1000)
            at com.sun.javafx.scene.control.skin.MenuBarSkin.findPreviousSibling(MenuBarSkin.java:1000)
            at com.sun.javafx.scene.control.skin.MenuBarSkin.findPreviousSibling(MenuBarSkin.java:1000)
            at com.sun.javafx.scene.control.skin.MenuBarSkin.findPreviousSibling(MenuBarSkin.java:1000)
            at com.sun.javafx.scene.control.skin.MenuBarSkin.findPreviousSibling(MenuBarSkin.java:1000)
            at com.sun.javafx.scene.control.skin.MenuBarSkin.findPreviousSibling(MenuBarSkin.java:1000)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class MenuBarTest extends Application {

public MenuBarTest() {
}

@Override
public void start(Stage stage) throws Exception {
Scene scene = new Scene(new VBox(), 400, 350);

MenuBar menuBar = new MenuBar();
Menu hiddenMenu = new Menu("Disabled");
menuBar.getMenus().addAll(hiddenMenu);

((VBox) scene.getRoot()).getChildren().addAll(menuBar);

stage.setScene(scene);
menuBar.requestFocus();

stage.show();

hiddenMenu.setDisable(true);
}

public static void main(String[] args) {
launch(args);
}

}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
No exception is thrown if there is another menu available that is not disabled