FULL PRODUCT VERSION :
java version "1.6.0_45"
Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
Java HotSpot(TM) Client VM (build 20.45-b01, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
Exception occurs when writing 4,000 K texts to java console.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
 1. Open java applet
 2. Write 4,000 K texts to java console


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
No exception occurs.
ACTUAL -
IllegalArgumentException occurs.
----
Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: Invalid remove
  at javax.swing.JTextArea.replaceRange(Unknown Source)
  at com.sun.deploy.util.ConsoleWindow$25.run(Unknown Source)
  at java.awt.event.InvocationEvent.dispatch(Unknown Source)
  at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
  at java.awt.EventQueue.access$400(Unknown Source)
  at java.awt.EventQueue$2.run(Unknown Source)
  at java.awt.EventQueue$2.run(Unknown Source)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
  at java.awt.EventQueue.dispatchEvent(Unknown Source)
  at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.run(Unknown Source)


ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: Invalid remove

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public class ConsoleTest extends JApplet {
  JButton _button = new JButton("Write Console");

  String _testOutput = null;
  
  public void init() {
    super.init();
    add(_button);
    
    StringBuffer bf = new StringBuffer();
    for (int i = 0; i < 1000; i ++) {
      bf.append("0123456789");
    }
    _testOutput = bf.toString();
    
    _button.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        for (int i = 0; i < 400; i ++) {
          System.out.println(_testOutput);
        }
      }
    });
  }
}

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