Hibernate: Unable to access TransactionManager or UserTransaction to make physical transaction delegate

Question

I was using Servlets, PostgreSQL and Hibernate with EntityManager to build a Web app and everything was working ok until I moved the project to a Maven based project. Now I\

Answer 1

Add @Transactional to your DAO and the class accessing your DAO class.

Refer: http://spring.io/guides/gs/managing-transactions/