On 11/10/2010 05:30 AM, REV Tamas wrote:
> Hi,
>
> I'm new to JBoss and Eclipse. I've been using NetBeans and GlassFish for
> Java EE development.
>
> Now I'm working on a very simple PoC just to see how I can use these
> technologies. I have a very simple
> JPA project. It contains a persistence xml and a few entities, inherited
> from each other.
> persistence.xml excrept:
> <persistence version="1.0" ...>
> <persistence-unit name="HotelPoi" transaction-type="JTA">
> ...
> </persistence-unit>
> </persistence>
>
>
> I have an EJB project too, it contains a stateless session bean. The
> bean injects a persistence unit this way:
> @PersistenceUnit(name="HotelPoi")
> EntityManager em;
>
> I receive the following deploy-time exception:
>
> 2010-11-10 12:19:51,656 DEBUG [org.jboss.ejb3.Ejb3Module] Starting
> failed jboss.j2ee:service=EJB3,module=HotelPoiFinder.jar
> java.lang.RuntimeException: Illegal @PersistenceUnit on
> javax.persistence.EntityManager com.edreams.poi.finder.PoiFinder.em
> :There is no default persistence unit in this deployment.
> at
> org.jboss.injection.PersistenceUnitHandler.handleFieldAnnotations(PersistenceUnitHandler.java:247)
> at
> org.jboss.injection.InjectionUtil.processFieldAnnotations(InjectionUtil.java:137)
> at
> org.jboss.injection.InjectionUtil.processAnnotations(InjectionUtil.java:174)
>
> I double-checked the ear and it contains the JpaProject in the lib
> directory. I placed it in the root dir too and receive the same exception.
>