在用java swing 做例子,给页面设置皮肤样式的时候出现了这个错误:

org.jvnet.substance.api.UiThreadingViolationException: Component creation must be done on Event Dispatch Thread

    at org.jvnet.substance.utils.SubstanceCoreUtilities.testComponentCreationThreadingViolation(SubstanceCoreUtilities.java:2368)

    at org.jvnet.substance.SubstancePanelUI.createUI(SubstancePanelUI.java:57)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

    at java.lang.reflect.Method.invoke(Method.java:597)

    at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:36)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

    at java.lang.reflect.Method.invoke(Method.java:597)

    at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:243)

    at javax.swing.UIDefaults.getUI(UIDefaults.java:751)

    at javax.swing.UIManager.getUI(UIManager.java:1016)

    at javax.swing.JPanel.updateUI(JPanel.java:109)

    at javax.swing.JPanel.<init>(JPanel.java:69)

    at javax.swing.JPanel.<init>(JPanel.java:92)

    at javax.swing.JPanel.<init>(JPanel.java:100)

    at javax.swing.JRootPane.createGlassPane(JRootPane.java:527)

    at javax.swing.JRootPane.<init>(JRootPane.java:347)

    at javax.swing.JFrame.createRootPane(JFrame.java:260)

    at javax.swing.JFrame.frameInit(JFrame.java:241)

    at javax.swing.JFrame.<init>(JFrame.java:164)

    at com.chat.frame.ClientLoginFrame.<init>(ClientLoginFrame.java:52)

    at com.chat.frame.ClientLoginFrame.main(ClientLoginFrame.java:241)

 

   后来查了很多资料,发现是由于swing 的线程不安全引起的,

解决方案如下:

在main方法里,程序的主入口加上:

 SwingUtilities.invokeLater(new Runnable() {  

                public void run() {  

                    

                    new ClientLoginFrame().setVisible(true); //这个就是程序界面初始化

                }  

            });  

 

这样问题就解决。