# EJB Client (Stateless)

Paul Tomoiu

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Examples,

EJB

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Published 2022-12-03

This tutorial explains ou how to code a Java EJB Client for a stateless EJB3 deployed on Weblogic 12c.

This article is using:

Eclipse Java EE IDE for Web Developers, Version: Neon.3 Release (4.6.3)
Java 8

The Enterprise Java Bean is deployed on the Oracle WebLogic 12c.

You have to add to your new Java Project the MyEJB project to the build path:

You have to add to your new Java Project the weblogic.jar and wlclient.jar (are in the WebLogic download package):

Now it time for coding. Here is the class I added to the project:

import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
 
import ejb.AddIntegersRemoteInterface;
 
public class RunClient {
 
    public static void main (String[] args) throws NamingException { 
         
       System.out.println("Start EJB3 Client for connecting to Weblogic");
     
       final Hashtable jndiProperties = new Hashtable();
    
       jndiProperties.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
       jndiProperties.put(Context.PROVIDER_URL,"t3://localhost:7001");
    
       Context ctx = new InitialContext(jndiProperties);
       System.out.println("Initial Context created");
    
       AddIntegersRemoteInterface addIntegers =
               (AddIntegersRemoteInterface) ctx.lookup("AddIntegers#ejb.AddIntegersRemoteInterface");
    
       System.out.println("lookup successful");  
    
       //Remote EJB function call
       System.out.println(addIntegers.returnSuma(1, 3));
    
       System.out.println("EJB3 Client : END");
    }
}

I run the project as "Java Application" and here is the result: