Finding the HostName

["vijayakumar purushothaman" <p_vijayakumar@xxxxxxxxxxx>]

Hello,
        I want to get the Host Name of AS/400 in my java program, but failed. 
The 
same program is working fine in Windows NT. Here i attached the program as 
well as the error message which i get in the Qshell. Any help is greatly 
appriciated.

Thanks,
Vijay.


import java.net.*;
import java.net.InetAddress.*;

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

InetAddress a=InetAddress.getLocalHost();
System.out.println("Output of getLocalHost() ------  "+ a);
String str=a.getHostName();
System.out.println("Output of getHostName() ------  "+ str);
}
}


___________________________________________________________________________________

javac ipadd.java
$
java ipadd
java.net.UnknownHostException: empty string
      java/lang/Exception.<init>(Ljava/lang/String;)V+1 (Exception.java:45)
      
java/net/InetAddress.getAllByName(Ljava/lang/String;)[Ljava/net/InetAdd
ress;+11 (InetAddress.java:413)
      java/net/InetAddress.getLocalHost()Ljava/net/InetAddress;+36 
(InetAddre
ss.java:509)
      ipadd.main([Ljava/lang/String;)V+1 (ipadd.java:9)
$


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