Just some more information,
I tried using merge to re-associate the object with the manager. The problem is
that I have no active transaction, because I don't want the data committed yet
(I using SeamExtendedManagedPersistencePhaseListener)
So when I called my method with NOT_SUPPORTED transaction type, I got an error.
Method:
private void beginEditProperties()
| {
| if (clone != null)
| {
| if (editingUser.getId() != null)
| editingUser = entityManager.merge(clone);
| clone = null;
| }
|
| try
| {
| clone = ObjectUtils.deepClone(editingUser);
| }
| catch (Exception ex)
| {
| handleActionError(ex);
| }
| }
|
Exception:
Caused by: java.lang.IllegalStateException: No transaction.
| at org.jboss.tm.TxManager.setRollbackOnly(TxManager.java:751)
| at
org.hibernate.ejb.AbstractEntityManagerImpl.markAsRollback(AbstractEntityManagerImpl.java:392)
| at
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:545)
| at
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:567)
| at
org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:210)
| ...
|
So I seem to be stuck as I can't start a transaction, as EntityManager has no
way of saying not to flush on this JSF action and I need the transaction to
re-associate my clone with the entity manager in order to lazy load my children
objects that may not have been loaded yet.
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http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3956405#3956405
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