Thank you very much indeed
just two questions.
if we mark the class with @Transactional, will it manage all transaction?
second, is this right?
| public int save(StoredQuery query) {
| try {
| em.getTransaction().begin();
| em.persist(query);
| em.getTransaction().commit();
| return 0;
| } catch (Exception e) {
| em.getTransaction().rollback();
| e.printStackTrace();
| return -1;
| }
| }
|
|
I change that save() method to rollback transaction to prevent above problem,
but it throws this exception:
java.lang.IllegalStateException: Illegal to call this method from injected,
managed EntityManager
what is wrong with this?
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