public class EjbLocator {
private static Context ctx;
private static EjbLocator instance = new EjbLocator();
private EjbLocator() {
}
public static EjbLocator getLocator() {
    return instance;
}

private <T> T getEjb(Class<T> ejbClass, String beanName) {
    try {
        final Hashtable jndiProperties = new Hashtable();
        jndiProperties.put(Context.URL_PKG_PREFIXES, "org.jboss.ejb.client.naming");
        final Context context = new InitialContext(jndiProperties);
        final String appName = "hockeyEAR";
        final String moduleName = "hockeyEJB";
        return (T) context.lookup("java:global/"+appName+"/"+moduleName+"/" + beanName + "!" + ejbClass.getName());
    } catch (NamingException e) {
        return null;
    }
}
public GestionLancersRemote getGestionLancers() {
    return getEjb(GestionLancersRemote.class, "GestionLancers");
}
}

<persistence-unit name="hockeyUnit" transaction-type="JTA">
    <jta-data-source>java:jboss/datasources/hockey</jta-data-source>
    <properties>
        <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect"/>
        <property name="hibernate.show_sql" value="true"/>
        <property name="hibernate.hbm2ddl.auto" value="update"/>
    </properties>
</persistence-unit>

<datasources>
            <datasource jndi-name="java:jboss/datasources/hockey" pool-name="hockey" enabled="true" use-java-context="true">
                <connection-url>jdbc:mysql://localhost:3306/test</connection-url>
                <driver>mysql</driver>
                <security>
                    <user-name>something</user-name>
                </security>
            </datasource>
            <drivers>
                <driver name="mysql" module="com.mysql">
                    <xa-datasource-class>com.mysql.jdbc.Driver</xa-datasource-class>
                </driver>
            </drivers>
        </datasources>

java:global/ProjectEJB/Hello!hw.HelloRemote
java:app/ProjectEJB/Hello!hw.HelloRemote
java:module/Hello!hw.HelloRemote
java:jboss/exported/ProjectEJB/Hello!hw.HelloRemote
java:global/ProjectEJB/Hello!hw.Hello
java:app/ProjectEJB/Hello!hw.Hello
java:module/Hello!hw.Hello