Hi
I got a java client and server program off the internet and i'm trying to
run it...the server code seems to be fine - it's up and running, but when I
try to run the client program, I get the following error -
Exception in thread "main" java.lang.InstantiationError:
org.apache.xmlrpc.XmlRpcRequest
at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:177)
at JavaClient.main(JavaClient.java:16)
Here's my client code -
import java.util.*;
import org.apache.xmlrpc.*;
public class JavaClient
{
public static void main(String[] args)
{
try
{
XmlRpcClient client = new
XmlRpcClient("http://localhost:8901/";);
Vector params = new Vector();
params.addElement(new Integer(17));
params.addElement(new Integer(13));
Object result = client.execute("sample.sum", params);
int sum = ((Integer) result).intValue();
System.out.println("The sum is: " + sum);
}
catch (Exception exception)
{
System.err.println("JavaClient: " + exception);
}
}
}
And here's my server code -
import org.apache.xmlrpc.WebServer;
public class JavaServer
{
public Integer sum(int x, int y)
{
return new Integer(x + y);
}
public static void main(String[] args)
{
try
{
System.out.println("Attempting to start XML-RPC
Server...");
WebServer server = new WebServer(8901);
server.setParanoid(true);
server.acceptClient("127.0.0.1");
server.addHandler("sample", new JavaServer());
server.start();
System.out.println("Started successfully.");
System.out.println("Accepting requests. (Halt program
to stop.)");
}
catch (Exception exception)
{
System.err.println("JavaServer: " + exception);
}
}
}
Does anybody know what could be the problem? Any help would be much
appreciated!
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