Build : 'I' (quite possibly due to bug: 5240173 'column header failure'
          where now the rows are now smaller due to headers not available)
OS : all platforms
app : Java2Demo.jar (sub demo: Intro)
          execution: java -cp Java2Demo.jar Intro
          {right click on gray border to bring the table}

If you use the vertical scroll. You will get the following:
(probably due to row count now smaller because of bug: 4250173 'Column Header failure')

java.lang.ArrayIndexOutOfBoundsException: -1
        at java.util.Vector.get(Vector.java, Compiled Code)
        at Intro$3.getValueAt(Intro.java, Compiled Code)
        at javax.swing.JTable.getValueAt(JTable.java, Compiled Code)
        at javax.swing.JTable.prepareRenderer(JTable.java, Compiled Code)
        at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java, Compiled Code)
        at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java, Compiled Code)
        at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java, Compiled Code)
        at javax.swing.plaf.ComponentUI.update(ComponentUI.java, Compiled Code)
        at javax.swing.JComponent.paintComponent(JComponent.java, Compiled Code)
        at javax.swing.JComponent.paint(JComponent.java, Compiled Code)
        at javax.swing.JViewport.windowBlitPaint(JViewport.java, Compiled Code)
        at javax.swing.JViewport.setViewPosition(JViewport.java, Compiled Code)
        at javax.swing.plaf.basic.BasicScrollPaneUI$VSBChangeListener.stateChanged(BasicScrollPaneUI.java, Compiled Code)
        at javax.swing.DefaultBoundedRangeModel.fireStateChanged(DefaultBoundedRangeModel.java, Compiled Code)
        at javax.swing.DefaultBoundedRangeModel.setRangeProperties(DefaultBoundedRangeModel.java, Compiled Code)
        at javax.swing.DefaultBoundedRangeModel.setValue(DefaultBoundedRangeModel.java, Compiled Code)
        at javax.swing.JScrollBar.setValue(JScrollBar.java, Compiled Code)
        at javax.swing.plaf.basic.BasicScrollBarUI$TrackListener.mouseDragged(BasicScrollBarUI.java, Compiled Code)
        at java.awt.Component.processMouseMotionEvent(Component.java, Compiled Code)
        at javax.swing.JComponent.processMouseMotionEvent(JComponent.java, Compiled Code)
        at java.awt.Component.processEvent(Component.java, Compiled Code)
        at java.awt.Container.processEvent(Container.java, Compiled Code)
        at java.awt.Component.dispatchEventImpl(Component.java, Compiled Code)
        at java.awt.Container.dispatchEventImpl(Container.java, Compiled Code)
        at java.awt.Component.dispatchEvent(Component.java, Compiled Code)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java, Compiled Code)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java, Compiled Code)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java, Compiled Code)
        at java.awt.Container.dispatchEventImpl(Container.java, Compiled Code)
        at java.awt.Window.dispatchEventImpl(Window.java, Compiled Code)
        at java.awt.Component.dispatchEvent(Component.java, Compiled Code)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java, Compiled Code)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java, Compiled Code)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java, Compiled Code)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java, Compiled Code)