import java.awt.BorderLayout; import java.awt.Dimension; import javafx.application.Platform; import javafx.embed.swing.JFXPanel; import javafx.scene.Scene; import javafx.scene.control.TextField; import javafx.scene.layout.VBox; import javafx.scene.web.WebView; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.SwingUtilities; public class ClipboardBug extends JFrame { private final JTextField txt = new JTextField("Swing JTextField"); private final JFXPanel jfxPanel = new JFXPanel(); public ClipboardBug() { super(); Platform.runLater(new Runnable() { @Override public void run() { TextField textField = new TextField("JavaFX input field"); WebView view = new WebView(); view.getEngine().loadContent(""); VBox hb = new VBox(); hb.getChildren().addAll(textField, view); jfxPanel.setScene(new Scene(hb)); } }); JPanel panel = new JPanel(new BorderLayout()); panel.add(txt, BorderLayout.NORTH); panel.add(jfxPanel, BorderLayout.CENTER); getContentPane().add(panel); setPreferredSize(new Dimension(1024, 600)); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); pack(); } public static void main(String[] args) { Platform.setImplicitExit(false); SwingUtilities.invokeLater(new Runnable() { public void run() { ClipboardBug test = new ClipboardBug(); test.setVisible(true); } }); } }