I am trying to implement container managed transaction in WAS 7. I am directing container to manage transaction by injecting the entityManager. But whenever I am trying to persist entities inside try-catch block, and catching the exception,the transaction is not rolled back,even the code I wrote must initiate a rollback. But whenever I am trying not to catch exception by removing try-catch,the container is rolling back the transaction. Do it is the case that we must throw the exception from DAO to container without catching it?
Here is my code: