How to connect remote EJB module from application client

14
votes

I have a EJB module in remote Glassfish server and application client in my computer. I want to connect from the application client to the remote EJB.

Here is the my EJB interface:

@Remote
public interface BookEJBRemote
{
    public String getTitle();
}

Here is the my ejb:

@Stateless
public class BookEJB implements BookEJBRemote
{

    @Override
    public String getTitle()
    {
        return "Twenty Thousand Leagues Under the Sea";
    }
}

I have several questions :

  1. Can I use Dependency Injection in the remote application client to connect to the ejb? If so what can i do to achieve this. Do i need to configure in the sun-ejb-jar.xml and sun-application-client.xml? In other words, if i use Dependency Injection like @EJB BookEJBRemote book; How application client container know what ejb to be injected? Where should i specify the information?
  2. How can i run the application client? I tried to run package-appclient in the glassfish server to get appclient.jar and copy it to my computer. Then i type appclient.jar -client myAppClient.jar . It didn't work. How do i point the target server?
  3. if i cannot use Dependency Injection in the client then i guess i have to use JNDI lookup. Do i need to configure jndi name in sun-ejb-jar.xml or in the sun-application-client.xml?

No matter how i try i never manage to run application client ? Can you guys put some working example? And thank you for every advises and examples?

1
javanetbeansjakarta-eejava-ee-6
You question is partially answered in @EJB annotation in clients: Glassfish supports managing of standalone client applications if you run them via bin/appclient -client myprogram.jar. The client has to specify JNDI settings in jndi.properties and description of the service in application-client.xml. – dma_k
I agree with this question. Every single post I have read online just shows how to run an app client in netbeans. There seems to be absolutely nothing whatsoever that explains how to run app clients outside of netbeans. +1. – w0051977

1 Answers

3
votes

Check this tutorial Creating a Java Stand-Alone Client. Basically you need to

  • setup JNDI by yourself since your client can't use the containers environment.
  • Lookup the remote interface.
  • And of course include the required jar files in your classpath