java 插件项目里面使用JFram 后就报这个错？没有找到类？但是我单独跑的时候就可以跑起来。

Question

Exception in thread "main" java.lang.NoClassDefFoundError: default (wrong name: Default)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at sun.awt.FontConfiguration$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.awt.FontConfiguration.getFontCharsetEncoder(Unknown Source)
at sun.awt.FontConfiguration.buildFontDescriptors(Unknown Source)
at sun.awt.FontConfiguration.getFontDescriptors(Unknown Source)
at sun.awt.FontConfiguration.getFontDescriptors(Unknown Source)
at sun.awt.PlatformFont.(Unknown Source)
at sun.awt.windows.WFontPeer.(Unknown Source)
at sun.awt.windows.WToolkit.getFontPeer(Unknown Source)
at java.awt.Font.getPeer_NoClientCode(Unknown Source)
at java.awt.Font.getPeer(Unknown Source)
at sun.awt.windows.WComponentPeer._setFont(Native Method)
at sun.awt.windows.WComponentPeer.setFont(Unknown Source)
at sun.awt.windows.WWindowPeer.initialize(Unknown Source)
at sun.awt.windows.WFramePeer.initialize(Unknown Source)
at sun.awt.windows.WComponentPeer.(Unknown Source)
at sun.awt.windows.WCanvasPeer.(Unknown Source)
at sun.awt.windows.WPanelPeer.(Unknown Source)
at sun.awt.windows.WWindowPeer.(Unknown Source)
at sun.awt.windows.WFramePeer.(Unknown Source)
at sun.awt.windows.WToolkit.createFrame(Unknown Source)
at java.awt.Frame.addNotify(Unknown Source)
at java.awt.Window.show(Unknown Source)
at java.awt.Component.show(Unknown Source)
at java.awt.Component.setVisible(Unknown Source)
at java.awt.Window.setVisible(Unknown Source)
at Jtable.JTableDiag.(JTableDiag.java:41)
at test111.test.main(test.java:21)

Answer 1

很明显的啊 报这个错误就是缺少包