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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-11065" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-c939f8fe-655e-48e5-8743-c7b00a7fe29e" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11065" style="color: #3b73af; text-decoration: none">HHH-11065</a> </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="mspiegel" id="email_mspiegel" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mspiegel" style="color:#6c797f;; color: #3b73af; text-decoration: none">Markus</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">I have a child entity that has two parent entities (the two parents itself have another common parent, but for simplicity I focus only on the three entities):<br><br>Parent:<br>{code}<br> @OneToMany( mappedBy = "Parent", cascade = CascadeType.ALL, fetch = FetchType.LAZY )<br> @Fetch( FetchMode.SUBSELECT )<br> private Set< Child > children = new HashSet< Child >();<br>{code}<br><br>OtherParent:<br>{code}<br> @OneToMany( mappedBy = "OtherParent", cascade = CascadeType.ALL, fetch = FetchType.LAZY )<br> @Fetch( FetchMode.SUBSELECT )<br> private Set< Child > children = new HashSet< Child >();<br>{code}<br><br>Child:<br>{code}<br> @ManyToOne( fetch = FetchType.LAZY, optional = false )<br> @JoinColumn( name = "`ParentID`", nullable = false )<br> private Parent parent = null;<br><br> @ManyToOne( fetch = FetchType.LAZY, optional = false )<br> @JoinColumn( name = "`OtherParentID`", nullable = false )<br> private OtherParent otherParent = null;<br>{code}<br><br>I use EntityManager.merge() to apply my changes:<br>- if all objects are new, everything is fine<br>- if OtherParent exists and Parent and Child are new, everything is fine<br>- if OtherParent and Parent exist and Child is new, everything is fine<br><br>However if Parent already exists and OtherParent and Child are new, I get an EntityNotFoundException because directly after cascadeOnMerge() Parent tries to load Child (which INSERT has not been executed yet) in copyValues():<br>{code}<br>04:32:14,798 TRACE [DefaultInitializeCollectionEventListener] Collection initialized<br>04:32:14,799 TRACE [CascadingAction] Cascading to merge: com.xyz.entity.Parent<br>04:32:14,799 TRACE [AbstractSaveEventListener] Persistent instance of: com.xyz.entity.Parent<br>04:32:14,799 TRACE [DefaultMergeEventListener] Ignoring persistent instance<br>04:32:14,799 TRACE [Cascade] Processing cascade ACTION_MERGE for: com.xyz.entity.Parent<br>04:32:14,799 TRACE [Cascade] Cascade ACTION_MERGE for collection: com.xyz.entity.Parent.children<br>04:32:14,799 TRACE [CascadingAction] Cascading to merge: com.xyz.entity.Child<br>04:32:14,799 TRACE [AbstractSaveEventListener] Transient instance of: com.xyz.entity.Child<br>04:32:14,799 TRACE [DefaultMergeEventListener] Merging transient instance<br>04:32:14,799 DEBUG [AbstractSaveEventListener] Generated identifier: 312220248, using strategy: HibernateSequenceGenerator<br>04:32:14,799 TRACE [AbstractSaveEventListener] Saving [com.xyz.entity.Child#312220248]<br>04:32:14,800 TRACE [ActionQueue] Adding an EntityInsertAction for [com.xyz.entity.Child] object<br>04:32:14,800 TRACE [ActionQueue] Adding insert with non-nullable, transient entities; insert=[EntityInsertAction[com.xyz.entity.Child#312220248]], dependencies=[NonNullableTransientDependencies[transientEntityName=com.xyz.entity.OtherParent requiredBy=[otherParent]]]<br>04:32:14,800 TRACE [UnresolvedEntityInsertActions] Adding insert with non-nullable, transient entities; insert=[EntityInsertAction[com.xyz.entity.Child#312220248]], dependencies=[NonNullableTransientDependencies[transientEntityName=com.xyz.entity.OtherParent requiredBy=[otherParent]]]<br>04:32:14,800 TRACE [Cascade] Done cascade ACTION_MERGE for collection: com.xyz.entity.Parent.children<br>04:32:14,800 TRACE [Cascade] Done processing cascade ACTION_MERGE for: com.xyz.entity.Parent<br>04:32:14,800 TRACE [DefaultLoadEventListener] Loading entity: [com.xyz.entity.Child#312220248]<br>04:32:14,800 TRACE [DefaultLoadEventListener] Attempting to resolve: [com.xyz.entity.Child#312220248]<br>04:32:14,800 TRACE [DefaultLoadEventListener] Object not resolved in any cache: [com.xyz.entity.Child#312220248]<br>04:32:14,800 TRACE [AbstractEntityPersister] Fetching entity: [com.xyz.entity.Child#312220248]<br>04:32:14,800 DEBUG [Loader] Static select for entity com.xyz.entity.Child [NONE:-1]: select .......<br>04:32:14,800 DEBUG [Loader] Loading entity: [com.xyz.entity.Child#312220248]<br>04:32:14,801 TRACE [Loader] Done processing result set (0 rows)<br>04:32:14,801 TRACE [Loader] Total objects hydrated: 0<br>04:32:14,801 TRACE [StatefulPersistenceContext] Initializing non-lazy collections<br>04:32:14,801 DEBUG [Loader] Done entity load<br>{code}<br><br>Stack trace:<br>{code}<br></span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">2016-08-23 06:40:39,114 ERROR [DatabaseImportWorker 5] [ORMPersister] Unexpected PersistenceLayerException, transaction rollback will be performed<br></span> <span class="diffcontext">javax.persistence.EntityNotFoundException: Unable to find com.heiler.ppm.article.db.model.ArticleAttributeStructureGroupAttributeMap with id 311218356<br> at org.hibernate.ejb.Ejb3Configuration$Ejb3EntityNotFoundDelegate.handleEntityNotFound(Ejb3Configuration.java:158)<br> at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:214)<br> at org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:264)<br> at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:152)<br> at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1053)<br> at org.hibernate.internal.SessionImpl.internalLoad(SessionImpl.java:980)<br> at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:714)<br> at org.hibernate.type.EntityType.resolve(EntityType.java:502)<br> at org.hibernate.type.EntityType.replace(EntityType.java:366)<br> at org.hibernate.type.CollectionType.replaceElements(CollectionType.java:517)<br> at org.hibernate.type.CollectionType.replace(CollectionType.java:667)<br> at org.hibernate.type.TypeHelper.replace(TypeHelper.java:177)<br> at org.hibernate.event.internal.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:401)<br> at org.hibernate.event.internal.DefaultMergeEventListener.entityIsPersistent(DefaultMergeEventListener.java:213)<br> at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:186)<br> at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:843)<br> at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:825)<br> at org.hibernate.engine.spi.CascadingAction$6.cascade(CascadingAction.java:288)<br> at org.hibernate.engine.internal.Cascade.cascadeToOne(Cascade.java:396)<br> at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:339)<br> at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:207)<br> at org.hibernate.engine.internal.Cascade.cascadeCollectionElements(Cascade.java:426)<br> at org.hibernate.engine.internal.Cascade.cascadeCollection(Cascade.java:366)<br> at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:342)<br> at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:207)<br> at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:164)<br> at org.hibernate.event.internal.DefaultMergeEventListener.cascadeOnMerge(DefaultMergeEventListener.java:468)<br> at org.hibernate.event.internal.DefaultMergeEventListener.entityIsPersistent(DefaultMergeEventListener.java:212)<br> at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:186)<br> at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:843)<br> at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:825)<br> at org.hibernate.engine.spi.CascadingAction$6.cascade(CascadingAction.java:288)<br> at org.hibernate.engine.internal.Cascade.cascadeToOne(Cascade.java:396)<br> at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:339)<br> at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:207)<br> at org.hibernate.engine.internal.Cascade.cascadeCollectionElements(Cascade.java:426)<br> at org.hibernate.engine.internal.Cascade.cascadeCollection(Cascade.java:366)<br> at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:342)<br> at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:207)<br> at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:164)<br> at org.hibernate.event.internal.DefaultMergeEventListener.cascadeOnMerge(DefaultMergeEventListener.java:468)<br> at org.hibernate.event.internal.DefaultMergeEventListener.entityIsPersistent(DefaultMergeEventListener.java:212)<br> at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:186)<br> at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:86)<br> at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:833)<br> at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:817)<br> at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:821)<br> at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:889)<br>{code}<br><br>Please advise how to further troubleshoot this issue, thank you.</span> </td>
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