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Java图书答疑

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JTable 与数据库结合出现如图错误

发表在Java图书答疑 2018-04-14 《Java项目开发实战入门》第3章明日彩票预测系统

是否精华是否

版块置顶: 是否

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
   at java.util.Vector.elementAt(Unknown Source)
   at javax.swing.table.DefaultTableColumnModel.getColumn(Unknown Source)
   at javax.swing.JTable$2.getUpperBoundAt(Unknown Source)
   at javax.swing.JTable$5.getUpperBoundAt(Unknown Source)
   at javax.swing.JTable.adjustSizes(Unknown Source)
   at javax.swing.JTable.adjustSizes(Unknown Source)
   at javax.swing.JTable.setWidthsFromPreferredWidths(Unknown Source)
   at javax.swing.JTable.doLayout(Unknown Source)
   at java.awt.Container.validateTree(Unknown Source)
   at java.awt.Container.validateTree(Unknown Source)
   at java.awt.Container.validateTree(Unknown Source)
   at java.awt.Container.validateTree(Unknown Source)
   at java.awt.Container.validateTree(Unknown Source)
   at java.awt.Container.validate(Unknown Source)
   at javax.swing.RepaintManager$3.run(Unknown Source)
   at javax.swing.RepaintManager$3.run(Unknown Source)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
   at javax.swing.RepaintManager.validateInvalidComponents(Unknown Source)
   at javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
   at java.awt.event.InvocationEvent.dispatch(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.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)