新しいステージを作成するときにExceptionInInitializerErrorがスローされます

Question

私のアプリケーションでは、スイングJFrameをMainFrameとして使用しています。新しいウィンドウを作成するボタンがあります。しかし、それは初期化の直後にクラッシュするだろうし、私は理由もない。ここで

public class Dialog { 
    private Stage window; 

public void display() { 
    window = new Stage(); //This is line 45. This is place where it crash 
    window.setMinWidth(350); 
    window.setMinHeight(500); 
    window.initModality(Modality.APPLICATION_MODAL); 
    window.setTitle("Add new Stuff"); 
//more code here 
} 
} 

は全体の例外エラー

Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerError 
    at javafx.stage.Window.<init>(Window.java:1179) 
    at javafx.stage.Stage.<init>(Stage.java:236) 
    at javafx.stage.Stage.<init>(Stage.java:224) 
    at main.Dialog.display(Dialog.java:45) 
    at main.MainFrame.jButtonAddZamActionPerformed(MainFrame.java:400) 
    at main.MainFrame.access$400(MainFrame.java:12) 
    at main.MainFrame$5.actionPerformed(MainFrame.java:227) 
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) 
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346) 
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) 
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) 
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) 
    at java.awt.Component.processMouseEvent(Component.java:6525) 
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) 
    at java.awt.Component.processEvent(Component.java:6290) 
    at java.awt.Container.processEvent(Container.java:2234) 
    at java.awt.Component.dispatchEventImpl(Component.java:4881) 
    at java.awt.Container.dispatchEventImpl(Container.java:2292) 
    at java.awt.Component.dispatchEvent(Component.java:4703) 
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898) 
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533) 
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462) 
    at java.awt.Container.dispatchEventImpl(Container.java:2278) 
    at java.awt.Window.dispatchEventImpl(Window.java:2750) 
    at java.awt.Component.dispatchEvent(Component.java:4703) 
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:751) 
    at java.awt.EventQueue.access$500(EventQueue.java:97) 
    at java.awt.EventQueue$3.run(EventQueue.java:702) 
    at java.awt.EventQueue$3.run(EventQueue.java:696) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86) 
    at java.awt.EventQueue$4.run(EventQueue.java:724) 
    at java.awt.EventQueue$4.run(EventQueue.java:722) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) 
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:721) 
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) 
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) 
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) 
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) 
Caused by: java.lang.IllegalStateException: This operation is permitted on the event thread only; currentThread = AWT-EventQueue-0 
    at com.sun.glass.ui.Application.checkEventThread(Application.java:443) 
    at com.sun.glass.ui.Screen.setEventHandler(Screen.java:245) 
    at com.sun.javafx.tk.quantum.QuantumToolkit.setScreenConfigurationListener(QuantumToolkit.java:674) 
    at javafx.stage.Screen.<clinit>(Screen.java:80) 
    ... 43 more 

なぜそれがクラッシュしている任意のアイデアですか？ありがとう

Answer 1

スイングアプリケーションの中にJavaFxコンポーネントを持つことができます。 ERPアプリケーションでJavaFx Chartsを使用してダッシュボードを表示するためにこれを行いました。

初期JavaFXの関連のコードは以下のように行われるべきです。

 Platform.runLater(new Runnable() { 
      @Override 
      public void run() { 
       initFX(fxPanel); 
      } 
     }); 

* *「この操作はのみイベントスレッド上で許可されている」詳細 https://docs.oracle.com/javase/8/javafx/interoperability-tutorial/swing-fx-interoperability.htm