Conecction Ejb 3.0 Remote

[legranadosb]

Hello:captain:
I need to connect a client with a apliccation that is deployed in WASCE i`m making a test but i have a problem... HELP ME

this is my code::::

*****Remote*****
package prueba;

import javax.ejb.Remote;

@Remote
public interface pruebaRemote {
public String metodo(String arg);
}
****Stateless*****
package prueba;

import javax.ejb.Remote;
import javax.ejb.Stateless;
import javax.ejb.TransactionAttribute;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

@Remote
@Stateless
public class PruebaBean implements pruebaLocal, pruebaRemote {

@PersistenceContext
EntityManager em;
public static final String RemoteJNDIName = PruebaBean.class.getSimpleName() + "/remote";
public static final String LocalJNDIName = PruebaBean.class.getSimpleName() + "/local";

@TransactionAttribute()
public String metodo(String arg) {
// TODO Auto-generated method stub
return arg;
}

}


*******client******

import javax.ejb.EJB;

import prueba.pruebaRemote;


public class test {

/**
* @param args
*/

public static void main(String[] args) {
new metodo();



}


}
class metodo{
@EJB
pruebaRemote beanRemote;
public metodo(){


System.out.println(beanRemote.metodo("Esto es una prueba"));
}
}

*****and the error is****
Exception in thread "main" java.lang.NullPointerException
at metodo.<init>(test.java:51)
at test.main(test.java:19)
*******************************
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