Iam using EJB3.0 RC 9 over JBOSS 404 all configuration , when i deploy a simple stateless EJB on this i get a deployment exception

org.jboss.xb.binding.JBossXBException: Failed to parse source: src-resolve: Cannot resolve the name 'javaee:service-refGroup' to a(n) 'group' component. @ http://java.sun.com/xml/ns/javaee/javaee_5.xsd[798,49]
at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:141)
at org.jboss.xb.binding.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:190)
at org.jboss.ejb3.metamodel.EjbJarDDObjectFactory.parse(EjbJarDDObjectFactory.java:87)
at org.jboss.ejb3.Ejb3HandlerFactory$DDFactory.(Ejb3HandlerFactory.java:44)
at org.jboss.ejb3.Ejb3HandlerFactory.getInstance(Ejb3HandlerFactory.java:83)

This is my ejb-jar.xml file

<?xml version="1.0" encoding="UTF-8"?>
<ejb-jar xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd"
version="3.0">
</ejb-jar>