[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-3046) Merge fails on complicated data structure because of cycle references

Gail Badner (JIRA) noreply at atlassian.com
Mon Jun 16 15:25:33 EDT 2008 

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_30430 ] 

Gail Badner commented on HHH-3046:
----------------------------------

Pavol, this should be fixed by HHH-3229, which has not been released yet. Could you checkout the code for Branch_3_2 and let us know if this issue has been fixed?

> Merge fails on complicated data structure because of cycle references
> ---------------------------------------------------------------------
>
>                 Key: HHH-3046
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3046
>             Project: Hibernate3
>          Issue Type: Bug
>    Affects Versions: 3.2.4
>         Environment: Hibernate-3.2.4.ga, db-platform any (h2 &  oracle tested)
>            Reporter: Pavol Zibrita
>         Attachments: HibernateBug_HHH3046.zip
>
>
> On complicated object structure, hibernate was unable to merge it correctly because of attaching ID's to the new objects in the tree of the persistent entity. Hibernate cannot cope with cyclic references in this case and it fails with:
> javax.persistence.PersistenceException: org.hibernate.PropertyValueException: not-null property references a null or transient value: org.hibernate.bugtests.data.Transport.pickupNode
> 	at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:630)
> 	at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:237)
> 	at org.hibernate.bugtests.merge.MergeBug.mergeData(MergeBug.java:131)
> 	at org.hibernate.bugtests.merge.MergeBug.testBug(MergeBug.java:149)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
> 	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
> Caused by: org.hibernate.PropertyValueException: not-null property references a null or transient value: org.hibernate.bugtests.data.Transport.pickupNode
> 	at org.hibernate.engine.Nullability.checkNullability(Nullability.java:72)
> 	at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:290)
> 	at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
> 	at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:121)
> 	at org.hibernate.ejb.event.EJB3MergeEventListener.saveWithGeneratedId(EJB3MergeEventListener.java:43)
> 	at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:186)
> 	at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:123)
> 	at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:687)
> 	at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:669)
> 	at org.hibernate.engine.CascadingAction$6.cascade(CascadingAction.java:245)
> 	at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
> 	at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
> 	at org.hibernate.event.def.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:456)
> 	at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:194)
> 	at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:123)
> 	at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:687)
> 	at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:669)
> 	at org.hibernate.engine.CascadingAction$6.cascade(CascadingAction.java:245)
> 	at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
> 	at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
> 	at org.hibernate.event.def.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:456)
> 	at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:194)
> 	at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:123)
> 	at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:687)
> 	at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:669)
> 	at org.hibernate.engine.CascadingAction$6.cascade(CascadingAction.java:245)
> 	at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
> 	at org.hibernate.event.def.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:431)
> 	at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:178)
> 	at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:123)
> 	at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:687)
> 	at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:669)
> 	at org.hibernate.engine.CascadingAction$6.cascade(CascadingAction.java:245)
> 	at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
> 	at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
> 	at org.hibernate.event.def.DefaultMergeEventListener.cascadeOnMerge(DefaultMergeEventListener.java:407)
> 	at org.hibernate.event.def.DefaultMergeEventListener.entityIsPersistent(DefaultMergeEventListener.java:152)
> 	at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:126)
> 	at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:53)
> 	at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:677)
> 	at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:661)
> 	at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:665)
> 	at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:228)
> 	... 20 more
> However the value is set correctly.

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