One way you will get this exception is if no host name is configured under
CFGTCP, Option 12 (CHGTCPDMN)
Frances Stewart
WebSphere Application Server for iSeries 400
"vijayakumar purushothaman" <p_vijayakumar@hotmail.com>@midrange.com on
01/10/2001 02:59:25 AM
Please respond to JAVA400-L@midrange.com
Sent by: owner-java400-l@midrange.com
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cc:
Subject: Finding the HostName
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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