java.lang.ClassCastException:entity.InjectedEntityManagerFactory cannot be cast to EntityManagerFactory

[jasonfly]

Hi everyone,
I am slowly succeeding in creating a basic maven project for Seam.

I have a little problem.
It looks like everything is fine but when I try to call my Authenticator bean, I get this exception:
java.lang.ClassCastException: org.jboss.ejb3.entity.InjectedEntityManagerFactory cannot be cast to javax.persistence.EntityManagerFactory

I looked on the internet and someone post the same problem and said that it has solved it by noticing that he was using JPA in and JBoss em (something like that) . Here is the post

He is maybe right but I have no idea what he is talking about. Can anyone explain it to me and how it has solved his problem? could solve mine....

Thanks in advance

David Roon

[jasonfly]

Resolved.
I had to mark the javax.persistence library as provided in my ejb and it worked

[richard1]

David,

I'm fighting the same issue.  If you're monitoring this thread, can you give a bit more detail as to how exactly you accomplished this marking?

FWIW, we've got a fairly substantial Seam app in production now; what I'm doing is creating a new app using the current version of the Eclipse plugins, &c, with an eye towards moving our old app over to the new better-supported project layout.  This is something of a blocker at the moment!