Sap jco connection

Question

hi everyone,
         Here 2 problems are there:...............
1)   http://localhost:50000/index.html
       in browser i got this message
    404   Not Found
                         SAP NetWeaver Application Server 7.10 / AS Java 7.10 
The requested resource does not exist.
Details: Go to main page of this application!
2) I just taken web moudle project in that i have taken one java class
   I written this program to connect to sap via jco
import com.sap.mw.jco.*;
public class Testing extends Object{
            JCO.Client mConnection;
             public Testing() {
                   try {
                  // Change the logon information to your own system/user
                  System.out.println("1");
                   mConnection =
             JCO.createClient("001", "userid", "password","language","localhost", "00");
                      System.out.println("2");
                  mConnection.connect();
                  System.out.println("3");
                  System.out.println(mConnection.getAttributes());
                  mConnection.disconnect();
               catch (Exception ex) { ex.printStackTrace(); System.exit(1);}
            public static void main (String args[]) {
               Testing app = new Testing();
while i run this java file it get error message: shown in below..............................
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed
Connect_PM  GWHOST=localhost, GWSERV=sapgw00, ASHOST=localhost, SYSNR=00
LOCATION    CPIC (TCP/IP) on local host
ERROR       partner not reached (host 127.0.0.1, service 3300)
TIME        Wed Jan 31 16:56:55 2007
RELEASE     640
COMPONENT   NI (network interface)
VERSION     37
RC          -10
MODULE      nixxi_r.cpp
LINE        8716
DETAIL      NiPConnect2
SYSTEM CALL SiPeekPendConn
ERRNO       10061
ERRNO TEXT  WSAECONNREFUSED: Connection refused
COUNTER     1
     at com.sap.mw.jco.rfc.MiddlewareRFC$Client.nativeConnect(Native Method)
     at com.sap.mw.jco.rfc.MiddlewareRFC$Client.connect(MiddlewareRFC.java:1123)
     at com.sap.mw.jco.JCO$Client.connect(JCO.java:3113)
     at com.Testing.<init>(Testing.java:27)
     at com.Testing.main(Testing.java:35)
what parameters should i pass to JCO.createClient("................"); here
  where should i get this information..................to test connection to sap via jco
thanks,
tony

Answer 1

hi prince,
  here j2ee engine is running in sapMMC ,it comes in green color....
   plz send me ........
thanks,
tony