Sort indicator missing on JTable in OSX

I just added column sorting to the JTables in my app. On windows it works as advertised. On OSX, the table is sorted when I click the headers, but the sort indicator does not show up. So the first time the user clicks a header for a column that's already sorted, it looks like nothing happens. On Windows, they see the sort indicator appear, so they know their action had an effect. Plus, they can see the sort direction at any time.
Is there perhaps a property I need to set to make the sort indicator appear in OSX? Or is this the way it was designed for OSX?

I should have mentioned, it's the Java implementation on OSX where the problem occurs. JTable is the Java implementation of an emulated native table control.
As revealed to me on the [email protected] list, there are some client properties that can be set to specify specific Cocoa behaviors in the Java implementation of certain JComponent classes. The properties are listed and their usage explained here.
http://developer.apple.com/mac/library/technotes/tn2007/tn2196.html#GENID1
An Apple engineer pointed out that these are workarounds, as OSX should work out of the box same as Windows. I'll submit a bug report, per his suggestion.
Here's my implementation of the fix for the problem I encouontered. The following method is called from the JTable constructor, so the methods invoked in it are JTable methods.
private void setupRowSorter() {
setAutoCreateRowSorter(true);//Java6 only. For Java 5, create a TableRowSorter and add it to the JTable
getTableHeader().addMouseListener(new MouseListener() {
@Override
public void mouseClicked(MouseEvent e) {
getTableHeader().putClientProperty("JTableHeader.selectedColumn", getTableHeader().columnAtPoint(e.getPoint()));
if (getTableHeader().getClientProperty("JTableHeader.sortDirection") == null) {
getTableHeader().putClientProperty("JTableHeader.sortDirection", "ascending");
} else if (getTableHeader().getClientProperty("JTableHeader.sortDirection").equals("ascending")) {
getTableHeader().putClientProperty("JTableHeader.sortDirection", "decending");//misspelling is required, per Apple documentation
} else {
getTableHeader().putClientProperty("JTableHeader.sortDirection", "ascending");
@Override
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
@Override
public void mouseExited(MouseEvent arg0) {
// TODO Auto-generated method stub
@Override
public void mousePressed(MouseEvent arg0) {
// TODO Auto-generated method stub
@Override
public void mouseReleased(MouseEvent arg0) {
// TODO Auto-generated method stub

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import javax.swing.table.AbstractTableModel;
import javax.swing.JScrollPane;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.JOptionPane;
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import java.awt.event.*;
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import java.util.*;
import java.awt.geom.*;
import java.awt.Dimension;
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import javax.swing.event.TableModelEvent;
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public void windowClosing(WindowEvent e) {
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