Tomcat + JPA + MySQL : java.lang.NoClassDefFoundError: javax/persistence/Persistence...

Entity update in EntityManager...

LazyInitializationException with CDI Managed Bean and Stateful Session Bean...

How to instance doctrine entity manager in a symfony2 class...

JPA NamedNativeQuery with SqlResultMapping...

Reusing entity manager by em.clear() or creating a new entity manager?...

JPA call method on lazy (not loaded) collection when detached not working as expected in Eclipselink...

Spring + Hibernate + JPA...

"Missing Service" When declare new Topic in Symfony...

EntityManager.getResultList() does not return the expected result...

Entity properties are not changing after calling dao.findByID(id)...

Symfony - Undefined index of foreign property of a manyToOne relation...

Best practice to get EntityManger and UserTransaction from JSP...

Does a Java EE container automatically close an injected EntityManagerFactory?...

why EntityManager is null in spring transaction?...

EntityManager is null when injected in WildFly 10 EJB...

Error creating bean with name 'entityManagerFactory' spring-mvc,data...

Spring Data JPA, how to get Connection used by the current transaction context...

Concurrent access Stateless Sessionbean from Singleton...

how to dynamically modifying unitName in @PersistenceContext...

Java EntityManager null with @PersistenceContext...

Symfony 3 form with multiple databases always uses default entity manager...

Accessing Entity Manager from Model Class in Silex...

EntityManager. Does Flush() save data in database as Commit()?...

Multiple entityManager in Spring application. Persistence of duplicate objects issue...

Working with 2 databases and just one entity manager in Symfony2...

JPA Entity Manager why to use?...

hibernate parameter with that name [<name>] did not exist...

Load objects from db by parameter Date...

Symfony2 / Doctrine: select() and getResults() doens't work with getManager()...