[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-5112) Accessing an object containing a *ToOne-Association using NO_PROXY option for lazy fetching

Accessing an object containing a *ToOne-Association using NO_PROXY option for lazy fetching ------------------------------------------------------------------------------------------- Key: HHH-5112 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5112 Project: Hibernate Core Issue Type: Bug Components: core, envers Affects Versions: 3.3.2, 3.5.0-Final Environment: Oracle, instrumentation using Javassist Reporter: Saša Obradović Assignee: Gail Badner Attachments: enversbug.jpg, field [id] not found.zip, oracle-ddl.sql Adding an element to a collection: {{A a = entityManager.find(A.class, 505L);}} {{B b = new B();}} {{a.addToB(b);}} results in following exception: {quote} javax.persistence.PersistenceException: org.hibernate.PropertyNotFoundException: field [id] not found on org.hibernate.intercept.LazyPropertyInitializer$1 at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1179) at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1112) at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1118) at org.hibernate.ejb.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:738) at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:365) at $Proxy90.flush(Unknown Source) at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:240) at $Proxy90.flush(Unknown Source) at at.ing.diba.helper.TestMethodFlusherBeanAspect.executeFlush(TestMethodFlusherBeanAspect.java:27) at at.ing.diba.service.architektur.BugTest.testEnvers_aroundBody6(BugTest.java:69) at at.ing.diba.service.architektur.BugTest$AjcClosure7.run(BugTest.java:1) at at.ing.diba.manager.ServiceMethodTracingAspect.traceServiceMethod(ServiceMethodTracingAspect.java:40) at at.ing.diba.service.architektur.BugTest.testEnvers(BugTest.java:65) at org.springframework.test.context.testng.AbstractTestNGSpringContextTests.run(AbstractTestNGSpringContextTests.java:158) Caused by: org.hibernate.PropertyNotFoundException: field [id] not found on org.hibernate.intercept.LazyPropertyInitializer$1 at org.hibernate.property.DirectPropertyAccessor.getField(DirectPropertyAccessor.java:182) at org.hibernate.property.DirectPropertyAccessor.getField(DirectPropertyAccessor.java:174) at org.hibernate.property.DirectPropertyAccessor.getGetter(DirectPropertyAccessor.java:197) at org.hibernate.envers.entities.mapper.id.SingleIdMapper.mapToMapFromEntity(SingleIdMapper.java:104) at org.hibernate.envers.entities.mapper.relation.ToOneIdMapper.mapToMapFromEntity(ToOneIdMapper.java:68) at org.hibernate.envers.entities.mapper.MultiPropertyMapper.map(MultiPropertyMapper.java:86) at org.hibernate.envers.synchronization.work.ModWorkUnit.<init>(ModWorkUnit.java:48) at org.hibernate.envers.event.AuditEventListener.onPostUpdate(AuditEventListener.java:165) at org.hibernate.action.EntityUpdateAction.postUpdate(EntityUpdateAction.java:199) at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:178) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:268) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:260) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:180) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1206) at org.hibernate.ejb.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:735) ... 47 more {quote} The exception is related to the association between A and C, although it hasn't changed in the transaction. No exception is thrown if the lazy fetching of C (in class A) is declared "proxy".