JCO Connect Exception for connecting to ABAP system

Question

Hey Guys,
When running the program
[code]import com.sap.mw.jco.*;
public class TutorialConnect1 extends Object {
   JCO.Client mConnection;
   public Connect1() {
     try {
       // Change the logon information to your own system/user
       mConnection =
          JCO.createClient("100", // SAP client
            "RFCUSER2"// userid
            "RFCUSER2", // password
            null, // language
            "LABR3", // application server host name
            "00"); // system number
       mConnection.connect();
       System.out.println(mConnection.getAttributes());
       mConnection.disconnect();
    catch (Exception ex) {
      ex.printStackTrace();
      System.exit(1);
  public static void main (String args[]) {
    Connect1 app = new Connect1();
[/code]
I get the exception
[code]java.lang.NoClassDefFoundError
     at com.sap.mw.jco.MiddlewareJRfc$Client.connect(MiddlewareJRfc.java:836)
     at com.sap.mw.jco.JCO$Client.connect(JCO.java:3159)
     at com.ids.jco.JCOUtil.getClient(JCOUtil.java:37)
     at com.ids.jco.JCOUtil.main(JCOUtil.java:23)[/code]
My program in the developer studio compiles just fine, I have added all the libraries in the developer studio. In the "set additional libraries" context menu of the project I have included all the libraries.
In the Debug/Run settings I see all the libraries included when I test the program.
I am running the program on Netweaver Developer Studio SP15
Any help is appreciated.
Regards
Sumit.

Answer 1

Hi Sumit,
the exact problem is discussed in this forum..just check this....
Re: Some problems about JCo >.<
let me know...
                       Regards
                       Kishor Gopinathan