Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: -1
        at java.util.Vector.elementAt(Vector.java:435)
        at javax.swing.table.DefaultTableColumnModel.getColumn(DefaultTableColumnModel.java:276)
        at javax.swing.JTable.getCellRenderer(JTable.java:3884)
        at com.webmethods.berkeley.util.WideToolTip.getTableToolTip(WideToolTip.java:96)
        at com.webmethods.berkeley.util.WideToolTip$TableTipHandler.mouseMoved(WideToolTip.java:254)
        at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:272)
        at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:271)
        at java.awt.Component.processMouseMotionEvent(Component.java:5562)
        at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3153)
        at java.awt.Component.processEvent(Component.java:5286)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3984)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3905)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: -1
        at java.util.Vector.elementAt(Vector.java:435)
        at javax.swing.table.DefaultTableColumnModel.getColumn(DefaultTableColumnModel.java:276)
        at javax.swing.JTable.getCellRenderer(JTable.java:3884)
        at com.webmethods.berkeley.util.WideToolTip.getTableToolTip(WideToolTip.java:96)
        at com.webmethods.berkeley.util.WideToolTip$TableTipHandler.mouseMoved(WideToolTip.java:254)
        at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:272)
        at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:271)
        at java.awt.Component.processMouseMotionEvent(Component.java:5562)
        at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3153)
        at java.awt.Component.processEvent(Component.java:5286)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3984)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3905)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)