org.hibernate.AssertionFailure: null owner only with EntityMode.DOM4J --------------------------------------------------------------------- Key: HHH-874 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-874 Project: Hibernate3 Type: Bug

Components: core Versions: 3.1 beta 2 Environment: Hibernate up to 3.1 beta 2, SQL Server Reporter: Martin Caslavsky Fix For: entity-modes

ERROR - an assertion failure occured (this may indicate a bug in Hibernate, but is more likely due to unsafe use of the session) org.hibernate.AssertionFailure: null owner at org.hibernate.collection.PersistentElementHolder.<init>(PersistentElementHolder.java:61) at org.hibernate.type.SetType.instantiate(SetType.java:23) at org.hibernate.engine.CollectionLoadContext.getLoadingCollection(CollectionLoadContext.java:101) at org.hibernate.loader.Loader.readCollectionElement(Loader.java:990) at org.hibernate.loader.Loader.readCollectionElements(Loader.java:635) at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:579) at org.hibernate.loader.Loader.doQuery(Loader.java:689) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:223) at org.hibernate.loader.Loader.loadCollection(Loader.java:1916) at org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:36) at org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:520) at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:60) at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1555) at org.hibernate.type.CollectionType.getCollection(CollectionType.java:501) at org.hibernate.type.CollectionType.resolveKey(CollectionType.java:335) at org.hibernate.type.CollectionType.resolve(CollectionType.java:329) at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:113) at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:842) at org.hibernate.loader.Loader.doQuery(Loader.java:717) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:223) at org.hibernate.loader.Loader.loadEntity(Loader.java:1782) at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:47) at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:41) at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:2705) at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:365) at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:346) at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:123) at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:177) at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:87) at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:774) at org.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:746) at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:266) at org.hibernate.type.EntityType.resolve(EntityType.java:303) at org.hibernate.type.EntityType.nullSafeGet(EntityType.java:217) at org.hibernate.impl.IteratorImpl.postNext(IteratorImpl.java:93) at org.hibernate.impl.IteratorImpl.next(IteratorImpl.java:120) at ProduktCon.result(ProduktCon.java:42) at AbstractCon.go(AbstractCon.java:114) at Datacon.main(Datacon.java:31) ProduktCon.java: protected void result() { Session session4 = factory.openSession().getSession(EntityMode.DOM4J); Query query = session4.createQuery("select p from Produkt as p"); for (Iterator it = query.iterate(); it.hasNext();) { Element e = (Element) it.next(); // LINE 42 } } Produkt.hbm.xml: <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="Produkt" table="eshop_prod" node="product"> <id name="produkt" type="string" unsaved-value="any" column="produkt" node="@id"/> <property name="cislo" column="Katalogove_cislo" node="@cislo"/> <property name="popis" column="popis" node="name"/> <property name="poznamka" column="poznamka" node="anotace"/> <property name="text" column="text" node="descr"/> <property name="zaruka" column="zaruka" node="@zaruka"/> <property name="vyrobce" column="vyrobce" node="vyrobce"/> <property name="dodavatel" column="dodavatel" node="dodavatel"/> <property name="zarazeni" column="zarazeni" node="@zarazeni" /> <property name="dostupnost" column="Carovy_kod_vlastni" node="@dostupnost" /> <set name="kategorie" embed-xml="true" node="."> <key column="produkt"/> <one-to-many class="Kategorie"/> </set> <set name="related" embed-xml="true" node="." where="typ_souvislosti=0"> <key column="produkt"/> <one-to-many class="Related"/> </set> <set name="item" embed-xml="true" node="."> <key column="vyrobek"/> <one-to-many class="Item"/> </set> <set name="variant" embed-xml="true" node="."> <key column="prod_id"/> <one-to-many class="Variant"/> </set> </class> </hibernate-mapping> Last executed SQL statement: Hibernate: select variant0_.prod_id as prod5_1_, variant0_.produkt as produkt1_, variant0_.produkt as produkt4_0_, variant0_.Katalogove_cislo as Katalogove2_4_0_, variant0_.Udaj_1 as Udaj3_4_0_, variant0_.Udaj_2 as Udaj4_4_0_ from data0001.dbo.eshop_variant variant0_ where variant0_.prod_id=? This error occurs only with EntityMode.DOM4J. Also when removed <set name="variant" ... > everything works OK.