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--- Begin Message ---Hi,I get sometimes a ClassCastException when I try to get the children of an object using the lazy-loading mode. I instist that it is a random error. Most of the cases, it works very well on exactly the same job. this is the exception stack trace : java.lang.ClassCastException: edu.broglie.ws.dto.AppFlulog at edu.broglie.ws.dto.AppAppcli.equals(AppAppcli.java:65) at java.util.WeakHashMap$WeakKey.equals(WeakHashMap.java(Compiled Code)) at java.util.HashMap.put(HashMap.java(Compiled Code)) at java.util.WeakHashMap.put(WeakHashMap.java:298) at org.apache.ojb.broker.core.LoadedObjectsRegistry.register(Unknown Source) at org.apache.ojb.broker.accesslayer.RsIterator.getObjectFromResultSet(Unknown Source) at org.apache.ojb.broker.accesslayer.RsIterator.next(Unknown Source) at org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.accesslayer.CollectionProxy.loadData(Unknown Source) at org.apache.ojb.broker.accesslayer.ListProxy.loadData(Unknown Source) at org.apache.ojb.broker.accesslayer.CollectionProxy.getData(Unknown Source) at org.apache.ojb.broker.accesslayer.CollectionProxy.iterator(Unknown Source) at edu.broglie.ws.fwk.ojb.view.ViewFactory.toViewCollection(ViewFactory.java(Compiled Code)) at edu.broglie.ws.view.SSACartoView.getListeAC(SSACartoView.java:38) at java.lang.reflect.Method.invoke(Native Method) at edu.broglie.ws.view.parcours.ViewParcours.parcours(ViewParcours.java(Compiled Code)) at edu.broglie.ws.view.parcours.ViewParcours.parcoursSelonNomMethode(ViewParcours.java:164) at edu.broglie.ws.view.parcours.ViewParcours.parcours(ViewParcours.java:111) at edu.broglie.ws.view.parcours.ViewParcours.parcoursSelonNomMethode(ViewParcours.java:164) at edu.broglie.ws.view.parcours.ViewParcours.parcours(ViewParcours.java:111) at edu.broglie.ws.view.parcours.ViewParcours.parcours(ViewParcours.java:219) at edu.broglie.ws.test.TestFonctionCarto.parcoursArbre(TestFonctionCarto.java:93) at edu.broglie.ws.test.TestFonctionCarto.testSSACartoView(TestFonctionCarto.java:128) at edu.broglie.ws.test.TestFonctionCarto.main(TestFonctionCarto.java:51) This exception is thrown in the following source code when getting an iterator from the collection (line 13) : /** * Method toViewCollection.<br> * Transforme une collection de DTO en collection de Views.<br> * Utilisé pour les arborescence où il existe plusieurs composants fils d'un même type. * @param dtos * @return Collection * @throws ViewException */ public Collection toViewCollection(Collection dtos) throws ViewException { Collection resultat = new ArrayList(); int i=0; try{ for (Iterator iter = dtos.iterator(); iter.hasNext();) { i++; DtoInterface dto = (DtoInterface) iter.next(); resultat.add(toView(dto)); } }catch(Exception ex){ System.out.println(" ------ dtos.size() = " + dtos.size() ); System.out.println(" ------ i = " + i ); System.out.println(" ------ toViewCollection() :" + ex.getMessage()); throw new ViewException(" probleme interne surveunu", ex); } return resultat; } I add part of the repository_user.xml file and some dto classes. I would like get a collection of "edu.broglie.ws.dto.AppAppcli" objects instead of "edu.broglie.ws.dto.AppFlulog" (witch causes the classCastException) Can You help me ? Tristan. ___________________________________________________________ Do You Yahoo!? -- Une adresse @yahoo.fr gratuite et en français ! Yahoo! Mail : http://fr.mail.yahoo.com
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