刚刚尝试在 java-9 中运行我的旧测试,发现它们根本没有运行,因为代码抛出了一个异常,保证在 FX 线程上运行(实例化 JFXPanel 的老技巧)
下面的独立示例(它是简单的教程代码)也会抛出它:
Exception in thread "main" java.lang.UnsatisfiedLinkError: D:\java\jdk\190_ea\bin\awt.dll: Can't find dependent libraries
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1935)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1841)
at java.lang.Runtime.loadLibrary0(Runtime.java:874)
at java.lang.System.loadLibrary(System.java:1770)
at java.awt.Toolkit$3.run(Toolkit.java:1355)
at java.awt.Toolkit$3.run(Toolkit.java:1353)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.loadLibraries(Toolkit.java:1352)
at java.awt.Toolkit.<clinit>(Toolkit.java:1387)
at java.awt.EventQueue.invokeLater(EventQueue.java:1268)
at javax.swing.SwingUtilities.invokeLater(SwingUtilities.java:1381)
at de.swingempire.fx.swing.JFXPanelExample.main(JFXPanelExample.java:59)
环境是win7,jdk9-ea-107(没有拼图),eclipse-neon-ea - 问题很简单:a)到底出了什么问题,b)如何修复?
java -version 的确切输出是:
java version "9-ea" Java(TM) SE Runtime Environment (build 9-ea+107-2016-02-24-175644.javare.4520.nc)
Java HotSpot(TM) Client VM (build 9-ea+107-2016-02-24-175644.javare.4520.nc, mixed mode)
编码:
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javafx.application.Platform;
import javafx.embed.swing.JFXPanel;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
public class JFXPanelExample {
private static void initAndShowGUI() {
// This method is invoked on the EDT thread
JFrame frame = new JFrame("Swing and JavaFX");
final JFXPanel fxPanel = new JFXPanel();
frame.add(fxPanel);
frame.setSize(300, 200);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Platform.runLater(new Runnable() {
@Override
public void run() {
initFX(fxPanel);
}
});
}
private static void initFX(JFXPanel fxPanel) {
// This method is invoked on the JavaFX thread
Scene scene = createScene();
fxPanel.setScene(scene);
}
private static Scene createScene() {
Group root = new Group();
Scene scene = new Scene(root, Color.ALICEBLUE);
Text text = new Text();
text.setX(40);
text.setY(100);
text.setFont(new Font(25));
text.setText("Welcome JavaFX!");
root.getChildren().add(text);
return (scene);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
initAndShowGUI();
}
});
}
}
更新
尝试了评论中的两个建议(更新到最新的 9-ea-107,从命令行运行) - 没有成功,同样的例外。
另一个观察结果:即使所有与 fx 相关的代码都被注释了,上面的示例也会失败并使用相同的堆栈跟踪 - 普通的 swing 不会运行。在我的环境中看起来有些严重错误。