Re: [eclipselink-users] No Persistence provider for EntityManager - Erro

[Gordon Yorke <gordon.yorke@xxxxxxxxxx>]

Hello Alex,
  What application server are you running in?  Are you specifying the 
Persistence provider in your persistence.xml file?  Is that the only 
exception that you see?  Are you using the latest nightly from EclipseLink?
--Gordon

Alex_S wrote:
> Hi everybody,
>
>
> I have tried to switch my application from Toplink Essentials to
> Eclipselink, but it currently doesn't work.
>
> After replacing the jar library and doing the necessary changes in
> persistence.xml and source code I always get an
>
> Exception in thread "main" javax.persistence.PersistenceException: No
> Persistence provider for EntityManager named default
> 	at
> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:89)
> 	at com.emd.testpersistence.MyEntityManager.main(MyEntityManager.java:89)
>
>
> Thx for help,
> Alex
>