FULL PRODUCT VERSION :
java version "1.6.0_01"
Java(TM) SE Runtime Environment (build 1.6.0_01-b06)
Java HotSpot(TM) Client VM (build 1.6.0_01-b06, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

EXTRA RELEVANT SYSTEM CONFIGURATION :
Belarusian region and language in system regional settings.

A DESCRIPTION OF THE PROBLEM :
Incorrect spelling of the November month name in the locale for the Belarusian language ("be", "BY") for the full date display format.

wrong=\u043b\u0438\u0441\u0442\u0430\u043f\u0430\u0434\u0430
correct=\u043b\u0456\u0441\u0442\u0430\u043f\u0430\u0434\u0430

UTF-8:
wrong=¿¿¿¿¿¿¿¿¿
correct=¿¿¿¿¿¿¿¿¿


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Use the source code below.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
\u043b\u0456\u0441\u0442\u0430\u043f\u0430\u0434\u0430

For month name("UTF-8:¿¿¿¿¿¿¿¿¿")
ACTUAL -
\u043b\u0438\u0441\u0442\u0430\u043f\u0430\u0434\u0430

For month name("UTF-8:¿¿¿¿¿¿¿¿¿")


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.text.DateFormatter;

public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Locale belarusianLocale = new Locale("be");
        Locale.setDefault(belarusianLocale);
        
        
        
        String fd = "no format";
        try {
            GregorianCalendar cal = new GregorianCalendar();
            cal.set(Calendar.MONTH, Calendar.NOVEMBER);

            DateFormat dfmt = DateFormat.getDateInstance(DateFormat.FULL);

            DateFormatter f = new DateFormatter(dfmt);
            fd = f.valueToString(cal.getTime());
        } catch (ParseException ex) {
            Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
        }

        System.out.println("date = " + fd);
        
    }
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
I don't know a better work around except of scanning the produced output and replacing the wrong substring.