我在Eclipse中创建了Java项目。首次登录页面和登录页面后，主框架包含JMenubar ...后点击JMenuItem另一个JInternalFrame打开。它在Eclipse中运行良好...但如果我尝试通过jar打开只打开登录页面而不是在另一帧上移动...所以在cmd上试过
java -jar C:\Users\Dell\Desktop\26thJuly.jar因此它会出错： -
java.lang.IllegalArgumentException: null delegate icon argument
at javax.swing.plaf.IconUIResource.<init>(Unknown Source)
at javax.swing.plaf.metal.OceanTheme$IFIcon.<init>(Unknown Source)
at javax.swing.plaf.metal.OceanTheme$4.createValue(Unknown Source)
at javax.swing.UIDefaults.getFromHashtable(Unknown Source)
at javax.swing.UIDefaults.get(Unknown Source)
at javax.swing.MultiUIDefaults.get(Unknown Source)
at javax.swing.UIDefaults.getIcon(Unknown Source)
at javax.swing.UIManager.getIcon(Unknown Source)
at javax.swing.plaf.basic.BasicInternalFrameTitlePane.installDefaults(Unknown Source)
at javax.swing.plaf.metal.MetalInternalFrameTitlePane.installDefaults(Unknown Source)
at javax.swing.plaf.basic.BasicInternalFrameTitlePane.installTitlePane(Unknown Source)
at javax.swing.plaf.basic.BasicInternalFrameTitlePane.<init>(Unknown Source)
at javax.swing.plaf.metal.MetalInternalFrameTitlePane.<init>(Unknown Source)
at javax.swing.plaf.metal.MetalInternalFrameUI.createNorthPane(Unknown Source)
at javax.swing.plaf.basic.BasicInternalFrameUI.installComponents(Unknown Source)
at javax.swing.plaf.basic.BasicInternalFrameUI.installUI(Unknown Source)
at javax.swing.plaf.metal.MetalInternalFrameUI.installUI(Unknown Source)
at javax.swing.JComponent.setUI(Unknown Source)
at javax.swing.JInternalFrame.setUI(Unknown Source)
at javax.swing.JInternalFrame.updateUI(Unknown Source)
at javax.swing.JInternalFrame.<init>(Unknown Source)
at javax.swing.JInternalFrame.<init>(Unknown Source)
at stock.<init>(stock.java:114)
at New_Second.<init>(New_Second.java:58)
at Hlogin$2.actionPerformed(Hlogin.java:97)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
使用执行环境JRE JavaSE-1.8