JInternalFrame causes OutOfMemory error when maximized.

Run the test case below, maximize the JInternalFrame, wait a while.  OutOfMemory
error.  

When the JInternalFrame is positioned at (10,10) rather than (60,60) the error
doesn't occur.

==TEST CASE==
import java.awt.*;
import javax.swing.*;
import java.io.*;

public class OutOfMemory {
   public static void main(String[] a) throws IOException{
      JFrame myFrame = new JFrame("Outer");
      myFrame.setSize(300,300);
      myFrame.setContentPane(new JDesktopPane());
      JInternalFrame f = new JInternalFrame("Internal");
      f.setSize(200,200);
      f.setVisible(true);
      f.setClosable(true);
      f.setMaximizable(true);
      f.setResizable(true);
      f.setIconifiable(true);
      /* IF THE FOLLOWING LINE IS CHANGED TO f.setLocation (10,10)
         no OutOfMemory error occurs! */
      f.setLocation(60,50);
      myFrame.add(f);
      myFrame.setVisible(true);
   }
}