AuditException / NullPointerException when loading audited entity with embeddable referencing non-audited entity in Hibernate
Issue
-
Defined an audited entity which has an association to an audited embeddable which, in turn, contains a reference to a non-audited entity
@Audited public class Parent { ... @ElementCollection @CollectionTable(name = "items", joinColumns = @JoinColumn(name = "PRODUCT_ID")) @OrderColumn(name = "ORDER_COL") @Audited private List<Item> items = new ArrayList<Item>(); } @Embeddable @Audited public class Item { ... @ManyToOne @Audited(targetAuditMode = RelationTargetAuditMode.NOT_AUDITED) private Type type; } -
The following exception is raised when loading the "parent" entity
org.hibernate.envers.exception.AuditException: java.lang.NullPointerException at org.hibernate.envers.internal.entities.mapper.relation.component.MiddleEmbeddableComponentMapper.mapToObjectFromFullMap(MiddleEmbeddableComponentMapper.java:55) at org.hibernate.envers.internal.entities.mapper.relation.lazy.initializor.ListCollectionInitializor.addToCollection(ListCollectionInitializor.java:66) ... at org.hibernate.envers.internal.reader.FirstLevelCache.putOnEntityNameCache(FirstLevelCache.java:87) at org.hibernate.envers.internal.entities.EntityInstantiator.createInstanceFromVersionsEntity(EntityInstantiator.java:111) at org.hibernate.envers.internal.entities.EntityInstantiator.addInstancesFromVersionsEntities(EntityInstantiator.java:164) at org.hibernate.envers.query.internal.impl.AbstractAuditQuery.applyProjections(AbstractAuditQuery.java:336) at org.hibernate.envers.query.internal.impl.EntitiesAtRevisionQuery.list(EntitiesAtRevisionQuery.java:128) at org.hibernate.envers.query.internal.impl.AbstractAuditQuery.getSingleResult(AbstractAuditQuery.java:111) at org.hibernate.envers.internal.reader.AuditReaderImpl.find(AuditReaderImpl.java:124) at org.hibernate.envers.internal.reader.AuditReaderImpl.find(AuditReaderImpl.java:93) at org.hibernate.envers.internal.reader.AuditReaderImpl.find(AuditReaderImpl.java:87) ...
Environment
- Red Hat JBoss Enterprise Application Platform (EAP) 7.0
- Hibernate 5.0
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