大家帮忙分析下关于Vector迭代器出现的一个异常怎么解决,这个异常是有时候出现有时候不出现比较头痛
异常一:
Exception in thread "AWT-EventQueue-0" 
java.util.NoSuchElementException: Vector Enumeration
	at java.util.Vector$1.nextElement(Vector.java:305)
	at com.jtattoo.plaf.BaseTableHeaderUI.getPreferredSize(Unknown Source)
	at javax.swing.JComponent.getPreferredSize(JComponent.java:1634)
	at javax.swing.ViewportLayout.preferredLayoutSize(ViewportLayout.java:78)
	at java.awt.Container.preferredSize(Container.java:1599)
	at java.awt.Container.getPreferredSize(Container.java:1584)
	at javax.swing.JComponent.getPreferredSize(JComponent.java:1636)
	at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:702)
	at java.awt.Container.layout(Container.java:1421)
	at java.awt.Container.doLayout(Container.java:1410)
	at java.awt.Container.validateTree(Container.java:1507)
	at java.awt.Container.validate(Container.java:1480)
	at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:669)
	at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:124)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
	at java.awt.EventQueue.access$000(EventQueue.java:84)
	at java.awt.EventQueue$1.run(EventQueue.java:602)
	at java.awt.EventQueue$1.run(EventQueue.java:600)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:611)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
异常二:Exception in thread "AWT-EventQueue-0" 
java.lang.ArrayIndexOutOfBoundsException: 2 >= 2
	at java.util.Vector.elementAt(Vector.java:427)
	at javax.swing.table.DefaultTableColumnModel.getColumn(DefaultTableColumnModel.java:277)
	at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1970)
	at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1770)
	at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
	at javax.swing.JComponent.paintComponent(JComponent.java:752)
	at javax.swing.JComponent.paint(JComponent.java:1029)
	at javax.swing.JComponent.paintChildren(JComponent.java:862)
	at javax.swing.JComponent.paint(JComponent.java:1038)
	at javax.swing.JViewport.paint(JViewport.java:747)
	at javax.swing.JComponent.paintChildren(JComponent.java:862)
	at javax.swing.JComponent.paint(JComponent.java:1038)
	at javax.swing.JComponent.paintToOffscreen(JComponent.java:5124)
	at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:278)
	at javax.swing.RepaintManager.paint(RepaintManager.java:1224)
	at javax.swing.JComponent._paintImmediately(JComponent.java:5072)
	at javax.swing.JComponent.paintImmediately(JComponent.java:4882)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:785)
	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:713)
	at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:693)
	at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:125)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
	at java.awt.EventQueue.access$000(EventQueue.java:84)
	at java.awt.EventQueue$1.run(EventQueue.java:602)