How to start a transaction in JPA using entityManager

Question

I have started working on an application which uses spring, hibernate, JPA, SOAP webservices. Now there is a requirement that certain queries have to be run in a transaction

Answer 1

@Transactional annotation will do exactly what you need.

http://docs.spring.io/spring/docs/current/spring-framework-reference/html/transaction.html#transaction-declarative-annotations