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http://opensource.atlassian.com/projects/hibernate/browse/HHH-3046?page=c...
]
Wallace Wadge commented on HHH-3046:
------------------------------------
Pavol,
As I mentioned, this works for normal tables, however I found that the problem is still
present when you have a composite key with one of the keys being a Foreign key to another
table as in the following schema:
CREATE TABLE `jira`.`composite` (
`composite_id` int(10) unsigned NOT NULL default '0',
`otherTable_id` int(10) unsigned NOT NULL,
`someOtherField` varchar(45) NOT NULL,
PRIMARY KEY (`composite_id`,`otherTable_id`),
KEY `FK_composite_1` (`otherTable_id`),
CONSTRAINT `FK_composite_1` FOREIGN KEY (`otherTable_id`) REFERENCES `othertable`
(`otherTable_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `jira`.`otherTable`;
CREATE TABLE `jira`.`otherTable` (
`otherTable_id` int(10) unsigned NOT NULL default '0',
`randomField` varchar(45) NOT NULL,
PRIMARY KEY (`otherTable_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
Not sure if this is related to this same issue or if it falls under a new issue.
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: HHH3046Fix_Branch_3_2.patch,
HHH3046Fix_entityManager_Branch_3_2.patch, HHH3046Test_entityManager_Branch_3_2.patch,
HHH3046TestCase_Branch_3_2.patch, 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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