About EntityManager

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Forum
16

EntityManager JPA or JDO impl and different behavior

Hi, I have an issue with the EntityManager. My persistance XML looks like: EntityManager Name: " + em.getClass ... .jdo.PMImpl Whats going on here? Is the entityManager not controlled by the persistance.xml or
Forum
16

Object belongs to another EntityManager - ERROR

#8' belongs to another EntityManager (error 613) 10:29:14,887 ERROR [stderr] (http--10.23.3.98-8081 ... .UserException: Object 'pbdmodel.impl.OrgJedinicaImpl#8' belongs to another EntityManager 10:29:15,072 ... #8' belongs to another EntityManager 10:29:15,089 ERROR [stderr] (http--10.23.3.98-8081-5) at com
Forum
15

Accessing objects to make them available after EntityManager close?!

"); EntityManager em = emf.createEntityManager(); TypedQuery query = em.createQuery("SELECT w ... objects? Many thanks Closing the EntityManager changes the state of the managed object to detached, and in detached objects only fields that have already been loaded when the EntityManager
Issue
15

An entityManager.flush() with many entities is not possible

  The following exception occures if we call entityManager.flush() where the corresponding JPA PersistenceContext has many entities and relations. What is the reason for the exception? entityManager.getTransaction().commit() instead of a entityManager.flush() works correctly. Unfortunately I
Forum
15

creating EntityManager on odb file created on Mac 64bit on Windows 32bit

an EntityManagerFactory and later EntityManager on this file, every thing is working fine. But, when I transfer this program and odb file to Windows XP 32bit it crashes while creating EntityManager ... .  But still the code crashes while creating EntityManager on this odb file. And the program is creating
Forum
15

Issue with orphanRemoval and multiple EntityManagers

with orphanRemoval set to true. I use a new EntityManager for each transaction (which normally happens in ... , the database contains 3 child entities. If I use the same EntityManager for both transactions ... "));         EntityManager em = emf.createEntityManager();         em.getTransaction().begin
Forum
15

Suspected memleak caused by bad state of EntityManager

Our application manages the Entities itself, so we close the EntityManager after every creating ... and finalize, we found the problem is caused by bad state of EntityManager. After first throwing the InternalException, the EntityManager throws every time when doing merge operation, but it can be closed
Forum
15

Metamodel Attribute NOT EQUALS to same Attribute in a different EntityManager

from Metamodel of a differente EntityManager initialized on a @Controller @RequestMapping event. I ... is it: If I have two moments of initialization of "javax.persistence.metamodel" from EntityManager and these two metamodels come from different EntityManagers. One of these is on a @PostConstruct event
Forum
15

Eclipse4 RCP - No Persistence provider for EntityManager

.PersistenceException: No Persistence provider for EntityManager I'm using the latest ObjectDB 2.6.2.b03 ... an EntityManager) it may be because resources that are needed by createEntityManagerFactory (e.g. persistence.xml
Forum
15

EntityManager.refresh takes a long time

EntityManager.refresh takes a long time for entity object Person in this code:     logger.log(Level.INFO, "begin select for person " + new Date().toString());                TypedQueryEntitymanager updates only objects in his context