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aryjr
 Post subject: collection was evicted
PostPosted: Fri Aug 12, 2005 11:36 pm 
Beginner
Beginner

Joined: Wed Mar 03, 2004 9:44 am
Posts: 23
Location: Brasil
Hello again, about the topic http://forum.hibernate.org/viewtopic.php?t=946224, when I get an OrdemServico object and send the List<DirecionamentoProducao> to a TableModel for show these objects in a JTable, I'm receiving the exception:

Code:

Exception in thread "AWT-EventQueue-0" org.hibernate.HibernateException: collection was evicted
        at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:40)
        at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1437)
        at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:219)
        at org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:81)
        at org.hibernate.collection.PersistentBag.get(PersistentBag.java:392)
        at br.com.feedbackcard.piloto.visao.MDIPrincipal.editarOS(MDIPrincipal.java:2523)
        at br.com.feedbackcard.piloto.visao.MDIPrincipal.btnEditarOSActionPerformed(MDIPrincipal.java:2041)
        at br.com.feedbackcard.piloto.visao.MDIPrincipal.access$3500(MDIPrincipal.java:46)
        at br.com.feedbackcard.piloto.visao.MDIPrincipal$36.actionPerformed(MDIPrincipal.java:1876)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
        at java.awt.Component.processMouseEvent(Component.java:5488)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3093)
        at java.awt.Component.processEvent(Component.java:5253)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3955)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1774)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)



Anybody can help me?

[]s

Ary Junior
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wohlgemuth
 Post subject:
PostPosted: Thu Aug 18, 2005 3:01 pm 
Beginner
Beginner

Joined: Tue May 11, 2004 12:08 pm
Posts: 38
Location: Davis,CA,USA
I had the same problem and the solution was, just refresh the object before you work on it.

my case

===========================
refresh(A);

A.add(new B());

works

============================
A.add(new B());

fails if there was a Session.clear() before!
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ruediger_e
 Post subject: Refresh works
PostPosted: Mon Nov 14, 2005 6:08 am 
Newbie

Joined: Wed Nov 02, 2005 11:00 am
Posts: 12
Location: Austria, Vienna
I had a similar problem:

For exporting data I'm iterating over objects I get from a query. After exporting an entry I'm flushing the cache with session.clear().

When accessing the next object I got the same exception. So I added a session.refresh(object) before accessing it and the problems are gone!

@wohlgemuth:

Thanks for the hint!

Rüdiger Engelberger
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