Support declaration of an EntityManager resource through a passivating-scoped
producer method
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Key: WELD-664
URL: https://jira.jboss.org/browse/WELD-664
Project: Weld
Issue Type: Feature Request
Components: Producers (Methods, Fields and Disposers)
Affects Versions: 1.1.0.Beta1
Environment: All environments
Reporter: Sivakumar Thyagarajan
If an EntityManager resource is made available through a Producer method and
the method is annotated with a passivating scope as shown below, Weld today
fails
with this error message: " WELD-000053 Producers cannot declare passivating
scope and return a non-serializable class"
--- producer method snippet ---
@PersistenceUnit(unitName = "UDEMpu")
private EntityManagerFactory emf;
@Produces
@ConversationScoped
@UserDatabase
public EntityManager create() {
return emf.createEntityManager();
}
--- producer method snippet ---
The current workaround is to not use a "passivating scoped" producer method
and fall back to annotating the "passivating scoped" producer field with
@PersistenceContext.
Pete's idea is to enhance the user experience for a user who expects this to
work by proxying the EMF and ensuring that the createEntityManager returns a
proxy that is Serializable.
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