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Manual
20

UPDATE SET Queries in JPA/JPQL

objects into an EntityManager. Updating the relevant entity object fields within an active transaction ... them, but it should be used cautiously because bypassing the EntityManager may break its synchronization with the database. For example, the EntityManager may not be aware that a cached entity object in
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20

EntityManager refresh problem

Hi, in the following code you can see an example with EntityManager.refresh(). The example throws ... -------------------- package example; import java.io.File; import javax.persistence.EntityManager ... void refreshTest() {         EntityManager entityManager = null;         try
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20

UserException - Object User#2 belongs to another EntityManager

EntityManager with the same unitName. TradesC method needs an User, which is taken from UserDataB ... .pingushare.entity.p1.User#2' belongs to another EntityManager at com.objectdb.o.MSG.d(MSG.java:61 ... this should be a problem if, in the same transaction, an entity is passed into more EntityManagers, but here are 2
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18

Attempt to execute a query using a closed EntityManager

. com.objectdb.o.UserException - Attempt to execute a query using a closed EntityManager at com ... to execute a query using a closed EntityManager at org.apache.myfaces.view.facelets.el ... EntityManager at org.apache.el.parser.AstValue.invoke(AstValue.java:291) at org.apache.el
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18

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
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18

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
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18

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
17

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
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17

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
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17

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