Re: Major problem with hostname resolution in Win2K

From:
 mark.donaghue@gmail.com
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 05 Oct 2007 13:59:52 -0000
Message-ID:
<1191592792.284315.10360@y42g2000hsy.googlegroups.com>
On Oct 5, 3:24 am, "Andrew Thompson" <u32984@uwe> wrote:

chrisrocke...@gmail.com wrote:

..

I'm having a terrifically difficult time ...
... I think it's a Win2K problem, but I'm not sure.


Testing beats suspicion 9 times out of ten*.
So keeping that in mind arrange these..

NetworkInterface.getNetworkInterfaces
NetworkInterface.getInetAddresses
InetAddresses.getCanonical name.


.into an SSCCE** and I will provide some test
results for this Win XP Pro box.


Of course, you are right. Here is the code:

import java.net.*;
import java.util.*;

public class GetPublicHostName {

    public static void main (String args[]) throws Throwable{
        System.out.println("abc");
        NetworkInterface iface = null;
        for (Enumeration ifaces = NetworkInterface.getNetworkInterfaces();
        ifaces.hasMoreElements();){
            System.out.println("efg");
            iface = (NetworkInterface)ifaces.nextElement();
            System.out.println("xInterface:" + iface.getDisplayName());
            InetAddress ia = null;
            for (Enumeration ips = iface.getInetAddresses();
ips.hasMoreElements();){
                ia = (InetAddress)ips.nextElement();
                System.out.println(ia.getCanonicalHostName() + " " +
ia.getHostAddress());
            }
        }
    }

}

* ..and 83.7% of statistics are invented on the spot.

** <http://www.physci.org/codes/sscce.html>

--
Andrew Thompsonhttp://www.athompson.info/andrew/

Message posted via JavaKB.comhttp://www.javakb.com/Uwe/Forums.aspx/java-general/200710/1

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