EJB 3 CMP not working in JBoss

Question

hi,
i created a simple CMP Entity Bean with mySQL and works fine with OC4J but when delpoy to JBoss 4.0.4RC1, it doesn't work.
What I realised is that when a JDeveloper create a CMP Entity Bean from a Table it uses @Resource annotaion while I saw all the JBoss samples using @Persistance annotation.
I changed my CMP to use @persistence annotation and created a persistence.xml file; for somereason it is not working neither in JBoss nor does it work in OC4J.
Now, if i continue using @Resource annotation, where can I set the datasource so that the @Resource annotation uses my datasource when I deploy it to JBoss?
or is there any other way to get it working?
p/s: my datasource is working fine. i created a simple slsb and used
DataSource ds =
(DataSource)context.lookup(
"java:jdbc/mysqlDS");
and it works fine both in OC4J and JBoss
any help is appreciated.
thanks

Answer 1

Ok, i got this working in JBoss.
1) Replaced @Resource annotation with @Peristence annotation
@PersistenceContext(unitName="mysql")
2) Created persistence.xml in META-INF directory
<persistence>
<persistence-unit name="mysql">
<jta-data-source>java:/jdbc/mysqlDS</jta-data-source>
<!-- <properties>
<property name="hibernate.hbm2ddl.auto"
value="create-drop"/>
</properties> -->
</persistence-unit>
</persistence>
that is it.
It means that whether we create EJB 3 on toplink EJB 3 or hibernate EJB 3, we should be able to run it on any of these as long as we stick with the standard annotations. JBoss Hibernate EJB has many additional annotations.
Now, the only thing that is not working is my Firebird DataSource in JBoss. If anyone has done it please let me know .. thanks.