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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-1283" style="color: #3b73af; text-decoration: none">Re: ScrollableResults JoinFetch don't set child collection correctly after the second parent object</a> </span> </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: 10px 0 0 0; margin-top: 0">Hi,<br> I have found one issue related with ScrollableResults and fetching child collection for version 4.3.10. <br> I’m getting NPE from StatefulPersistenceContex line 756 because ce is null:</p> <p style="margin: 10px 0 0 0"> public Object getLoadedCollectionOwnerOrNull(PersistentCollection collection) {<br> final CollectionEntry ce = getCollectionEntry( collection );<br> if ( ce.getLoadedPersister() == null ) </p> { return null; } <p style="margin: 10px 0 0 0">...</p> <p style="margin: 10px 0 0 0">I have child collection PairingComplement –s. Single PairingComplement is using in method hashCode other collection Positions related with PairingComplement and fetched after PairingComplement –s ( example hql:<br> Select p from Pairing p left outer join fetch p.complements c left outer join fetch c.positions )</p> <p style="margin: 10px 0 0 0">Seems that order is the reason why StatefulPersistenceContext collectionEntries does not contains Positions collection. </p> <p style="margin: 10px 0 0 0">java.lang.NullPointerException<br> at org.hibernate.engine.internal.StatefulPersistenceContext.getLoadedCollectionOwnerOrNull(StatefulPersistenceContext.java:756)<br> at org.hibernate.event.spi.AbstractCollectionEvent.getLoadedOwnerOrNull(AbstractCollectionEvent.java:75)<br> at org.hibernate.event.spi.InitializeCollectionEvent.<init>(InitializeCollectionEvent.java:36)<br> at org.hibernate.internal.SessionImpl.initializeCollection(SessionImpl.java:1931)<br> at org.hibernate.collection.internal.AbstractPersistentCollection$4.doWork(AbstractPersistentCollection.java:558)<br> at org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:260)<br> at org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:554)<br> at org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:142)<br> at org.hibernate.collection.internal.PersistentSet.hashCode(PersistentSet.java:447)<br> at java.util.Collections$UnmodifiableSet.hashCode(Collections.java:1130)<br> at com...domain.complement.PairingComplement.hashCode(PairingComplement.java:175)<br> at java.util.HashMap.hash(HashMap.java:338)<br> at java.util.HashMap.put(HashMap.java:611)<br> at java.util.HashSet.add(HashSet.java:219)<br> at java.util.AbstractCollection.addAll(AbstractCollection.java:344)<br> at org.hibernate.collection.internal.PersistentSet.endRead(PersistentSet.java:344)<br> at org.hibernate.engine.loading.internal.CollectionLoadContext.endLoadingCollection(CollectionLoadContext.java:251)<br> at org.hibernate.engine.loading.internal.CollectionLoadContext.endLoadingCollections(CollectionLoadContext.java:238)<br> at org.hibernate.engine.loading.internal.CollectionLoadContext.endLoadingCollections(CollectionLoadContext.java:211)<br> at org.hibernate.loader.Loader.endCollectionLoad(Loader.java:1157)<br> at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:1126)<br> at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:1069)<br> at org.hibernate.loader.Loader.sequentialLoad(Loader.java:470)<br> at org.hibernate.loader.Loader.loadSequentialRowsForward(Loader.java:537)<br> at org.hibernate.internal.FetchingScrollableResultsImpl.next(FetchingScrollableResultsImpl.java:88)</p> </td>
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