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<td class="page-title-pattern-first-line " style="padding: 0px; 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-10747" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-98fd63a2-ac06-4beb-a741-fad6575113f5" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10747" style="color: #3b73af; text-decoration: none">HHH-10747</a> </td>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-10747" style="color: #3b73af; text-decoration: none">Enhanced entity classes initialize lazy collections when loaded.</a> </span> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Issue Type:</th>
<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-98fd63a2-ac06-4beb-a741-fad6575113f5" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Affects Versions:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.0.9, 5.1.0 </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Components:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-core </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 17/May/2016 07:41 AM </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Environment:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Oracle JDK 1.8.0.73 <br> Apache Tomcat 8.0.32 </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate core </td>
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-major-73dcb9fe-1afe-4dde-979f-8f73ad0e0f16" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Reporter:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="selaron" id="email_selaron" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=selaron" style="color:#6c797f;; color: #3b73af; text-decoration: none">Selaron</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">When loading entities with POJO classes enhanced using hibernate-enhance-maven-plugin with this configuration:</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap"> <configuration>
<failOnError>true</failOnError>
<enableLazyInitialization>true</enableLazyInitialization>
<enableDirtyTracking>true</enableDirtyTracking>
<enableAssociationManagement>false</enableAssociationManagement>
<enableExtendedEnhancement>false</enableExtendedEnhancement>
</configuration>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">all collections get initialized instantly although annotated with javax.persistence.FetchType.LAZY.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Collection fields are first initialized with "new HashSet(0)" on POJO class instantiation.<br> After that, the PojoEntityTuplizer sets an unitialized PersistentSet using the property setter.<br> This leads to a call to "$$_hibernat_write_myLazyCollectionName(Set)" where the dirty tracking mechanism asks whether the HashSet and PersisntentSet instances are equal.<br> Later on HashSet.equals(Object) calls PersisntentSet.size() where that PersisntentSet is now going to initialize itself.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Each entry in the so initialized PersisntentSet will behave the same, leading to a fully loaded Entity graph at some point in time. <em>I kept terminating the JVM after some minutes of loading.</em></p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This is an example of a partial calling stack:</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="preformattedContent panelContent" style="padding: 9px 12px">
<pre style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap">SessionImpl.initializeCollection(PersistentCollection, boolean) line: 2004
AbstractPersistentCollection$4.doWork() line: 562
PersistentSet(AbstractPersistentCollection).withTemporarySessionIfNeeded(LazyInitializationWork<T>) line: 246
PersistentSet(AbstractPersistentCollection).initialize(boolean) line: 558
PersistentSet(AbstractPersistentCollection).read() line: 131
AbstractPersistentCollection$1.doWork() line: 160
AbstractPersistentCollection$1.doWork() line: 145
PersistentSet(AbstractPersistentCollection).withTemporarySessionIfNeeded(LazyInitializationWork<T>) line: 246
PersistentSet(AbstractPersistentCollection).readSize() line: 144
PersistentSet.size() line: 143
HashSet<E>(AbstractSet<E>).equals(Object) line: 92
EqualsHelper.areEqual(Object, Object) line: 53
ArticleCategory.$$_hibernate_write_positions(Set) line: not available
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 62
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43
Method.invoke(Object, Object...) line: 497
EnhancedSetterImpl.set(Object, Object, SessionFactoryImplementor) line: 54
PojoEntityTuplizer(AbstractEntityTuplizer).setPropertyValues(Object, Object[]) line: 611
PojoEntityTuplizer.setPropertyValues(Object, Object[]) line: 207
SingleTableEntityPersister(AbstractEntityPersister).setPropertyValues(Object, Object[]) line: 4605
TwoPhaseLoad.doInitializeEntity(Object, EntityEntry, boolean, SessionImplementor, PreLoadEvent) line: 169
TwoPhaseLoad.initializeEntity(Object, boolean, SessionImplementor, PreLoadEvent) line: 125
AbstractCollectionLoadQueryDetails$CollectionLoaderRowReader(AbstractRowReader).performTwoPhaseLoad(PreLoadEvent, ResultSetProcessingContextImpl, List<HydratedEntityRegistration>) line: 238
AbstractCollectionLoadQueryDetails$CollectionLoaderRowReader(AbstractRowReader).finishUp(ResultSetProcessingContextImpl, List<AfterLoadAction>) line: 209
ResultSetProcessorImpl.extractResults(ResultSet, SessionImplementor, QueryParameters, NamedParameterContext, boolean, boolean, ResultTransformer, List<AfterLoadAction>) line: 123
CollectionLoader(AbstractLoadPlanBasedLoader).executeLoad(SessionImplementor, QueryParameters, LoadQueryDetails, boolean, ResultTransformer, List<AfterLoadAction>) line: 122
CollectionLoader(AbstractLoadPlanBasedLoader).executeLoad(SessionImplementor, QueryParameters, LoadQueryDetails, boolean, ResultTransformer) line: 86
CollectionLoader(AbstractLoadPlanBasedCollectionInitializer).initialize(Serializable, SessionImplementor) line: 88
OneToManyPersister(AbstractCollectionPersister).initialize(Serializable, SessionImplementor) line: 682
DefaultInitializeCollectionEventListener.onInitializeCollection(InitializeCollectionEvent) line: 75
SessionImpl.initializeCollection(PersistentCollection, boolean) line: 2004
AbstractPersistentCollection$4.doWork() line: 562
PersistentSet(AbstractPersistentCollection).withTemporarySessionIfNeeded(LazyInitializationWork<T>) line: 246
PersistentSet(AbstractPersistentCollection).initialize(boolean) line: 558
PersistentSet(AbstractPersistentCollection).read() line: 131
AbstractPersistentCollection$1.doWork() line: 160
AbstractPersistentCollection$1.doWork() line: 145
PersistentSet(AbstractPersistentCollection).withTemporarySessionIfNeeded(LazyInitializationWork<T>) line: 246
PersistentSet(AbstractPersistentCollection).readSize() line: 144
PersistentSet.size() line: 143
HashSet<E>(AbstractSet<E>).equals(Object) line: 92
EqualsHelper.areEqual(Object, Object) line: 53
ArticleArea.$$_hibernate_write_articleCategories(Set) line: not available
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 62
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43
Method.invoke(Object, Object...) line: 497
EnhancedSetterImpl.set(Object, Object, SessionFactoryImplementor) line: 54
PojoEntityTuplizer(AbstractEntityTuplizer).setPropertyValues(Object, Object[]) line: 611
PojoEntityTuplizer.setPropertyValues(Object, Object[]) line: 207
SingleTableEntityPersister(AbstractEntityPersister).setPropertyValues(Object, Object[]) line: 4605
TwoPhaseLoad.doInitializeEntity(Object, EntityEntry, boolean, SessionImplementor, PreLoadEvent) line: 169
TwoPhaseLoad.initializeEntity(Object, boolean, SessionImplementor, PreLoadEvent) line: 125
AbstractCollectionLoadQueryDetails$CollectionLoaderRowReader(AbstractRowReader).performTwoPhaseLoad(PreLoadEvent, ResultSetProcessingContextImpl, List<HydratedEntityRegistration>) line: 238
AbstractCollectionLoadQueryDetails$CollectionLoaderRowReader(AbstractRowReader).finishUp(ResultSetProcessingContextImpl, List<AfterLoadAction>) line: 209
ResultSetProcessorImpl.extractResults(ResultSet, SessionImplementor, QueryParameters, NamedParameterContext, boolean, boolean, ResultTransformer, List<AfterLoadAction>) line: 123
CollectionLoader(AbstractLoadPlanBasedLoader).executeLoad(SessionImplementor, QueryParameters, LoadQueryDetails, boolean, ResultTransformer, List<AfterLoadAction>) line: 122
CollectionLoader(AbstractLoadPlanBasedLoader).executeLoad(SessionImplementor, QueryParameters, LoadQueryDetails, boolean, ResultTransformer) line: 86
CollectionLoader(AbstractLoadPlanBasedCollectionInitializer).initialize(Serializable, SessionImplementor) line: 88
OneToManyPersister(AbstractCollectionPersister).initialize(Serializable, SessionImplementor) line: 682
DefaultInitializeCollectionEventListener.onInitializeCollection(InitializeCollectionEvent) line: 75
SessionImpl.initializeCollection(PersistentCollection, boolean) line: 2004
AbstractPersistentCollection$4.doWork() line: 562
</pre>
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