error « EntityManager « JPA Q&A





1. Error injecting entity manager with Wicket/JPA    stackoverflow.com

I have an app using Wicket for the presentation layer with CDI/Weld, JPA 2.0, EJB 3.1 etc. (JEE 6) deployed on GlassFish v3.0.1. When I try to inject an EJB into a ...

2. No Persistence provider for EntityManager - Infamous error    stackoverflow.com

I have been wrestling with this error for last few days. Please someone point out where I am going wrong. I am trying to use JPA with eclipselink. It worked fine. To check ...

3. JPA @OneToOne throws Error when mapped to an abstract @Entity with subclasses    stackoverflow.com

I have a problem when an Entity is mapped to another Entity which has a direct implementation on its subclasses. See sample mapping below:

@Entity
class Location {
      ...

4. No persistence provider for Entity Manager named ... error    stackoverflow.com

I am trying an example of JPA 2.0 with the trivial Customer and the Address classes where a customer has an address.When i try to run the file , it gives ...

5. Entity not managed error with EntityManager.refresh (3.2.1)    forum.hibernate.org

Newbie Joined: Thu Mar 01, 2007 6:58 pm Posts: 9 I am having a problem where calling refresh() throws an java.lang.IllegalArgumentException: Entity not managed, but replacing it with merge() in the same code works. I am not sure if this is a bug or if it has something to do with how the code is set up. I am calling refresh ...

6. NoClassDefFound Error in EntityManager    forum.hibernate.org

I have used hibernate's EntityManager for implementing entity persistence in the java desktop environment. I am getting below error at runtime :- Exception in thread "main" java.lang.NoClassDefFoundError: org/jboss/util/file/ArchiveBrowser$Filter at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:119) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:33) at st.itac.ccc.EntityClient.main(EntityClient.java:9) can any one help me out which jar files I need to include in the class path/or which jar file is missing. I have included ...