FULL PRODUCT VERSION :
java version " 1.7.0_09 "
Java(TM) SE Runtime Environment (build 1.7.0_09-b05)
Java HotSpot(TM) 64-Bit Server VM (build 23.5-b02, mixed mode)



ADDITIONAL OS VERSION INFORMATION :
 Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64 x86_64

Mac OS X 10.8.2

A DESCRIPTION OF THE PROBLEM :
The Swing JProgressBar on OS X does not animate.

Neither the indeterminate progress bar, nor the determinate one show any animated sign of progress.



REGRESSION. Last worked in version 6u31


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.*;

public class ScratchSpace {


    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                JFrame frame = new JFrame( " JProgressBar Test " );
                JPanel panel = new JPanel();

                final JProgressBar progressBar1 = new JProgressBar();
                progressBar1.setIndeterminate(true);
                panel.add(progressBar1);

                final JProgressBar progressBar2 = new JProgressBar(0, 100);
                progressBar2.setValue(50);
                panel.add(progressBar2);

                frame.setContentPane(panel);
                frame.pack();
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
            }
        });
    }

}

---------- END SOURCE ----------