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Description:
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We use hibernate annotations and hibernate search in our project. After we moved to hibernate 3.5.2 (and 3.5.1 before that) we are having the following errors:
java.lang.NullPointerException
at org.hibernate.engine.EntityEntry.getLoadedValue(EntityEntry.java:255)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:232)
at org.hibernate.engine.Cascade.cascade(Cascade.java:161)
at org.hibernate.engine.Cascade.cascade(Cascade.java:127)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.cascadeOnUpdate(DefaultSaveOrUpdateEventListener.java:376)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrUpdateEventListener.java:350)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:246)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:112)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:677)
at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:669)
at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:252)
at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:392)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:335)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:204)
at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:425)
at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:362)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:338)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:204)
at org.hibernate.engine.Cascade.cascade(Cascade.java:161)
at org.hibernate.event.def.AbstractFlushingEventListener.cascadeOnFlush(AbstractFlushingEventListener.java:154)
at org.hibernate.event.def.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushingEventListener.java:145)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:88)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1206)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:375)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137)
at org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:655)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:709)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:678)
at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:321)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:116)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy67.initializePlacowka(Unknown Source)
In different place we have the same problem:
[java] java.lang.NullPointerException
[java] at org.hibernate.engine.EntityEntry.getLoadedValue(EntityEntry.java:255)
[java] at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:232)
[java] at org.hibernate.engine.Cascade.cascade(Cascade.java:161)
[java] at org.hibernate.engine.Cascade.cascade(Cascade.java:127)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.cascadeOnUpdate(DefaultSaveOrUpdateEventListener.java:376)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrUpdateEventListener.java:350)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:246)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:112)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
[java] at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:677)
[java] at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:669)
[java] at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:252)
[java] at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:392)
[java] at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:335)
[java] at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:204)
[java] at org.hibernate.engine.Cascade.cascade(Cascade.java:161)
[java] at org.hibernate.event.def.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:451)
[java] at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:288)
[java] at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)
[java] at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:144)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:117)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
[java] at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:677)
[java] at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:669)
[java] at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:665)
The NPE is thrown because "loadedState" field is null. The exception seems to occur for instance when we have OneToOne with Cascade.DELETE_ORPHAN (or orphanRemoval="true"), CascadeType.SAVE_UPDATE and CascadeType.DELETE.
I will try to create a simple example to reproduce the problem.
WORKAROUND:
Use session.merge instead of session.saveOrUpdate
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