PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
This is a typical bidirectional consistency problem. It is well discussed in this link as well as this link. As per the articles … Read more
This is a typical bidirectional consistency problem. It is well discussed in this link as well as this link. As per the articles … Read more
No Persistence provider for EntityManager named
You should include cascade=”all” (if using xml) or cascade=CascadeType.ALL (if using annotations) on your collection mapping. This happens because you have a collection in your entity, and … Read more
I understand that JPA 2 is a specification and Hibernate is a tool for ORM. Also, I understand that Hibernate has more features … Read more
In layman’s terms: JDBC is a standard for Database Access JPA is a standard for ORM JDBC is a standard for connecting to … Read more