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tkfx/LazyInitializationException.java

Created June 22, 2016 09:44
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LazyInitializationException.java
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
Author a = em.find(Author.class, 1L);
em.getTransaction().commit();
em.close();
log.info(a.getFirstName() + " " + a.getLastName() + " wrote "+a.getBooks().size() + " books.");
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