TransactionRequiredException Executing an update/delete query

Question

Hi I am using hibernate JPA with spring and mongodb and i am running my application on Glassfish-4.0.

My service class is :

@Component
public class T         


        

Answer 1

I received this exception when trying to run a bulk UPDATE query in a non-JTA (i.e. resource-local) entity manager in Java SE. I had simply forgotten to wrap my JPQL code in

em.getTransaction().begin();

and

em.getTransaction().commit();