Hibernate and JPA are pretty mind-friendly topics, but if you can't get a simple connection to your database working, well, it can get pretty frustrating. To try and help alleviate that problem, I've ...

Simplified JPA and Hibernate configurations One option available using JPA is to scan JAR files for entities using the sensibly named jar-file entry: <persistence> <persistence-unit> ...

This application creates a new EntityManagerFactory that references the SuperHeroes persistence unit from “Java persistence with JPA and Hibernate, Part 2,” which contains the ProductPrice entity.