SAP JCO Connectivity Test

This will be a small post on testing SAP JCO connection. Usually for connecting to SAP systems from Oracle SOA suite, we make use of the SAP adapter and create a SAP target from Application Explorer(AE). After entering the basic credentials like username,password, clientid, system number and application server we can try connecting to SAP system from AE itself. This internally calls the SAP JCO classes to establish the connection.

We can also directly test the connection outside of AE by using the SAP JCO classes. Below sample code can be used for testing the SAP JCO connectivity.

package JCOConnectionTest;
import com.sap.mw.jco.*;
public class JCOConnector {
  public JCOConnector() {
    super();
  }
  JCO.Client mConnection;
  public void Connect1() {
  try {
  // Change the logon information to your own system/user
          mConnection =
             JCO.createClient("010", // SAP client
               "SAP_USER", // userid
               "sap_pswd", // password
               null, // language
               "sap_server", // 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[]) {
       JCOConnector app = new JCOConnector();
       app.Connect1();
      }
}  

Make sure the sapjco.jar file is present in your classpath(add to project classpath if you are running this from Jdeveloper.) On successful connection you are shown the details of the server with an exit code of 0 and incase of failure you are shown some RFC errors like RFC_LOGON_FAILURE etc.