FULL PRODUCT VERSION :
java version "1.6.0_10-beta"
Java(TM) SE Runtime Environment (build 1.6.0_10-beta-b23)
Java HotSpot(TM) Client VM (build 11.0-b11, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Windows XP SP2

A DESCRIPTION OF THE PROBLEM :
Using the code below, the grid lines do not show at all. I applied all the suggestions from http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6594663, but this did not work. This also doesn't work on the Linux version of JDK6 U10.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
(Compile and run the source code provided)

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Black grid lines of 1 pixel thickness between each cell in the table.
ACTUAL -
No grid lines.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public class JTableTest {

    public static void main(String[] args)
    {
        try
        {
            UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
        } catch (Exception ex) {}

        JTable table = new JTable(new Object[][] {
                                                    {"Mary", "Campione",
                                                     "Snowboarding", new Integer(5), new Boolean(false)},
                                                    {"Alison", "Huml",
                                                     "Rowing", new Integer(3), new Boolean(true)},
                                                    {"Kathy", "Walrath",
                                                     "Knitting", new Integer(2), new Boolean(false)},
                                                    {"Sharon", "Zakhour",
                                                     "Speed reading", new Integer(20), new Boolean(true)},
                                                    {"Philip", "Milne",
                                                     "Pool", new Integer(10), new Boolean(false)}
                                                 },
                                  new Object[] {"First Name",
                                                "Last Name",
                                                "Sport",
                                                "# of Years",
                                                "Vegetarian"});
        
        table.setGridColor(Color.BLACK);
        table.setIntercellSpacing(new Dimension(1, 1));
        table.setShowGrid(true);
        
        
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(table);
        frame.pack();
        frame.setVisible(true);
        
                
    }
}
---------- END SOURCE ----------