小编use*_*762的帖子

嗨,我使用第二个线程每2秒更新一次JTable的DefaultTableModel并且随机地随机,它会抛出以下错误.

    Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 2 >= 2
    at java.util.Vector.elementAt(Vector.java:470)
    at javax.swing.table.DefaultTableModel.getValueAt(DefaultTableModel.java:649)
    at javax.swing.JTable.getValueAt(JTable.java:2716)
    at javax.swing.JTable.prepareRenderer(JTable.java:5714)
    at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:2108)
    at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:2010)
    at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1806)
    at javax.swing.plaf.ComponentUI.update(ComponentUI.java:161)
    at javax.swing.JComponent.paintComponent(JComponent.java:769)
    at javax.swing.JComponent.paint(JComponent.java:1045)
    at javax.swing.JComponent.paintChildren(JComponent.java:878)
    at javax.swing.JComponent.paint(JComponent.java:1054)
    at javax.swing.JViewport.paint(JViewport.java:731)
    at javax.swing.JComponent.paintChildren(JComponent.java:878)
    at javax.swing.JComponent.paint(JComponent.java:1054)
    at javax.swing.JComponent.paintToOffscreen(JComponent.java:5212)
    at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:295)
    at javax.swing.RepaintManager.paint(RepaintManager.java:1236)
    at javax.swing.JComponent._paintImmediately(JComponent.java:5160)
    at javax.swing.JComponent.paintImmediately(JComponent.java:4971)
    at javax.swing.RepaintManager$3.run(RepaintManager.java:796)
    at javax.swing.RepaintManager$3.run(RepaintManager.java:784)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
    at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:784)
    at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:757)
    at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:706)
    at javax.swing.RepaintManager.access$1000(RepaintManager.java:62)
    at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1651)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:727)
    at java.awt.EventQueue.access$200(EventQueue.java:103)
    at java.awt.EventQueue$3.run(EventQueue.java:688)
    at java.awt.EventQueue$3.run(EventQueue.java:686)
    at java.security.AccessController.doPrivileged(Native …