java控件FX TraversalEngine错误

1 周，5 日 Questions & Answers 1415

我安装了JDK8u20，并试图在程序中运行ControlsFX库

这应该可以正常工作，但是如果我从controlsFX调用一个方法，我会得到以下异常

方法

 private void showError(final String msg) {
        Platform.runLater(new Runnable() {
            @Override
            public void run() {
                Dialogs.create().title("Achtung").message(msg).showError();
            }
        });
    }

例外情况

java.lang.NoSuchMethodError: com.sun.javafx.scene.traversal.TraversalEngine.<init>(Ljavafx/scene/Parent;Z)V
    at org.controlsfx.control.ButtonBar$2.<init>(ButtonBar.java:412)
    at org.controlsfx.control.ButtonBar.<init>(ButtonBar.java:412)
    at org.controlsfx.control.ButtonBar.<init>(ButtonBar.java:355)
    at org.controlsfx.dialog.Dialog.createButtonPanel(Dialog.java:1034)
    at org.controlsfx.dialog.Dialog.createCenterPanel(Dialog.java:1029)
    at org.controlsfx.dialog.Dialog.buildDialogContent(Dialog.java:950)
    at org.controlsfx.dialog.Dialog.show(Dialog.java:320)
    at org.controlsfx.dialog.Dialogs.showSimpleContentDialog(Dialogs.java:1106)
    at org.controlsfx.dialog.Dialogs.showError(Dialogs.java:555)
    at ch.berufsbildungscenter.notiztool.gui.control.LoginController$3.run(LoginController.java:93)
    at com.sun.javafx.application.PlatformImpl.lambda$null$164(Unknown Source)
    at com.sun.javafx.application.PlatformImpl$$Lambda$48/1171794308.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.application.PlatformImpl.lambda$runLater$165(Unknown Source)
    at com.sun.javafx.application.PlatformImpl$$Lambda$47/1875594551.run(Unknown Source)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
    at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    at com.sun.glass.ui.win.WinApplication.lambda$null$141(Unknown Source)
    at com.sun.glass.ui.win.WinApplication$$Lambda$38/994750745.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

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java控件FX TraversalEngine错误

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