Some of the InetAddress functionalities are not working on IPv6 enabled win XP machine.

Steps to reproduce the problem:
1. Install IPv6 on a winXP machine by typing 'ipv6 install' on the command prompt.
2. Compile and execute the source code given below.
3. The problem will manifest itself

------------------BEGIN SOURCE-------------
import java.net.*;

public class temp{

public static void main (String args[]) throws Exception{

System.out.println(InetAddress.getLocalHost());
}
}
----------------END SOURCE----------------

The output below displays the problem on a winXP machine.
---------------BEGIN OUTPUT---------------
[D:/tmp] windows-i586/windows-i586/j2sdk-image/bin/java -showversion temp
java version "1.6.0-internal"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-internal-Administrator_07_sep_2004_10_23)
Java HotSpot(TM) Client VM (build 1.6.0-beta-b02, mixed mode)

jdsn9/10.12.151.177
[D:/tmp] ipv6 install
Installing...
Succeeded.
[D:/tmp] windows-i586/windows-i586/j2sdk-image/bin/java -showversion temp
java version "1.6.0-internal"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-internal-Administrator_07_sep_2004_10_23)
Java HotSpot(TM) Client VM (build 1.6.0-beta-b02, mixed mode)

Exception in thread "main" java.lang.NullPointerException
        at java.net.InetAddress.getAddressFromNameService(InetAddress.java:1182)
        at java.net.InetAddress.getLocalHost(InetAddress.java:1305)
        at temp.main(temp.java:7)
[D:/tmp]

--------------END OUTPUT---------------------