bekomme keine Daten aus der Tabelle ?

Code: Alles auswählen.

import com.sap.mw.jco.JCO;
import com.sap.mw.jco.*;


public class Test
{
 JCO.Client _client;
 JCO.Function func ;
 String _sapClient = "000";
 String _userID = "bcuser";
 String _pwd = "minisap";
 String _language = null; //sets default
 String _hostname = "localhost";
 String _sysNo = "00";


public void establishConnection()
{
 _client = JCO.createClient(_sapClient, _userID, _pwd, _language,_hostname, _sysNo);

 try
 {
 _client.connect();
  System.out.println(_client.getAttributes());
  JCO.Repository repository = new JCO.Repository( "ZBC400", _client);

IFunctionTemplate ft = repository.getFunctionTemplate(("ZFB_NAME"));
func = ft.getFunction();

JCO.Table E_table = func.getTableParameterList().getTable("ZKUNDE");
System.out.println(E_table.getString("FIRMA"));
_client.disconnect();
 }
 catch(Exception e)
{

}	
	
}


public static void main(String[] args)
{

 Test t = new Test();
 t.establishConnection();
}
}

Code: Alles auswählen.

JCO.Repository mRepository = new JCO.Repository("JCO Tutorial", mConnection);