Java Components in MATLAB

I geeting the following errors when i try to use java table in matlab gui, can some one help me. my version of matlab is 2008 Release 'a'.

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at ColoredFieldCellRenderer.getTableCellRendererComponent(ColoredFieldCellRenderer.java:101) at javax.swing.JTable.prepareRenderer(Unknown Source) at javax.swing.plaf.basic.BasicTableUI.paintCell(Unknown Source) at javax.swing.plaf.basic.BasicTableUI.paintCells(Unknown Source) at javax.swing.plaf.basic.BasicTableUI.paint(Unknown Source) at javax.swing.plaf.ComponentUI.update(Unknown Source) at javax.swing.JComponent.paintComponent(Unknown Source) at javax.swing.JComponent.paint(Unknown Source) at javax.swing.JComponent.paintChildren(Unknown Source) at javax.swing.JComponent.paint(Unknown Source) at javax.swing.JViewport.paint(Unknown Source) at javax.swing.JComponent.paintChildren(Unknown Source) at javax.swing.JComponent.paint(Unknown Source)

[Jan]

How do you create the table and where did you get the ColoredFieldCellRenderer from?