Message Title

The following problem appears when doing a merge of an entity that has an @Any attribute :
java.lang.NullPointerException: Cannot invoke "org.hibernate.metamodel.mapping.AttributeMapping.getAttributeMetadata()" because the return value of "org.hibernate.sql.results.graph.Fetchable.asAttributeMapping()" is null
at org.hibernate.loader.ast.internal.LoaderSelectBuilder.lambda$createFetchableBiConsumer$3(LoaderSelectBuilder.java:767)
at org.hibernate.loader.ast.internal.LoaderSelectBuilder.visitFetches(LoaderSelectBuilder.java:677)
at org.hibernate.loader.ast.internal.LoaderSqlAstCreationState.visitFetches(LoaderSqlAstCreationState.java:124)
at org.hibernate.metamodel.mapping.internal.DiscriminatedAssociationMapping$AnyValuedResultGraphNode.afterInitialize(DiscriminatedAssociationMapping.java:439)
at org.hibernate.metamodel.mapping.internal.DiscriminatedAssociationMapping$AnyValuedFetch.<init>(DiscriminatedAssociationMapping.java:558)
at org.hibernate.metamodel.mapping.internal.DiscriminatedAssociationMapping.generateFetch(DiscriminatedAssociationMapping.java:396)
at org.hibernate.metamodel.mapping.internal.DiscriminatedAssociationAttributeMapping.generateFetch(DiscriminatedAssociationAttributeMapping.java:138)
at org.hibernate.sql.results.graph.FetchParent.generateFetchableFetch(FetchParent.java:108)
at org.hibernate.loader.ast.internal.LoaderSelectBuilder.lambda$createFetchableBiConsumer$3(LoaderSelectBuilder.java:840)
at org.hibernate.loader.ast.internal.LoaderSelectBuilder.visitFetches(LoaderSelectBuilder.java:677)
at org.hibernate.loader.ast.internal.LoaderSqlAstCreationState.visitFetches(LoaderSqlAstCreationState.java:124)
at org.hibernate.sql.results.graph.AbstractFetchParent.afterInitialize(AbstractFetchParent.java:32)
at org.hibernate.sql.results.graph.entity.AbstractEntityResultGraphNode.afterInitialize(AbstractEntityResultGraphNode.java:80)
at org.hibernate.persister.entity.AbstractEntityPersister.createDomainResult(AbstractEntityPersister.java:1221)
at org.hibernate.loader.ast.internal.LoaderSelectBuilder.generateSelect(LoaderSelectBuilder.java:446)
at org.hibernate.loader.ast.internal.LoaderSelectBuilder.createSelect(LoaderSelectBuilder.java:174)
at org.hibernate.loader.ast.internal.SingleIdEntityLoaderStandardImpl.createLoadPlan(SingleIdEntityLoaderStandardImpl.java:180)
at org.hibernate.loader.ast.internal.SingleIdEntityLoaderStandardImpl.resolveLoadPlan(SingleIdEntityLoaderStandardImpl.java:120)
at org.hibernate.loader.ast.internal.SingleIdEntityLoaderStandardImpl.load(SingleIdEntityLoaderStandardImpl.java:66)
at org.hibernate.persister.entity.AbstractEntityPersister.doLoad(AbstractEntityPersister.java:3519)
at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3509)
at org.hibernate.event.internal.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:602)
at com.efluid.hibernate.listener.EfluidLoadEventListener.loadFromDatasource(EfluidLoadEventListener.java:28)
at org.hibernate.event.internal.DefaultLoadEventListener.loadFromCacheOrDatasource(DefaultLoadEventListener.java:588)
at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:557)
at org.hibernate.event.internal.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:550)
at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:202)
at org.hibernate.event.internal.DefaultLoadEventListener.loadWithRegularProxy(DefaultLoadEventListener.java:282)
at org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:237)
at org.hibernate.event.internal.DefaultLoadEventListener.doOnLoad(DefaultLoadEventListener.java:106)
at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:78)
at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:138)
at org.hibernate.internal.SessionImpl.fireLoadNoChecks(SessionImpl.java:1231)
at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1219)
at org.hibernate.loader.internal.IdentifierLoadAccessImpl.doLoad(IdentifierLoadAccessImpl.java:194)
at org.hibernate.loader.internal.IdentifierLoadAccessImpl.lambda$load$1(IdentifierLoadAccessImpl.java:160)
at org.hibernate.loader.internal.IdentifierLoadAccessImpl.perform(IdentifierLoadAccessImpl.java:107)
at org.hibernate.loader.internal.IdentifierLoadAccessImpl.load(IdentifierLoadAccessImpl.java:160)
at org.hibernate.internal.SessionImpl.get(SessionImpl.java:1024)
at org.hibernate.event.internal.DefaultMergeEventListener.lambda$entityIsDetached$0(DefaultMergeEventListener.java:321)
at org.hibernate.engine.spi.LoadQueryInfluencers.fromInternalFetchProfile(LoadQueryInfluencers.java:79)
at org.hibernate.event.internal.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:319)
at org.hibernate.event.internal.DefaultMergeEventListener.merge(DefaultMergeEventListener.java:150)
at org.hibernate.event.internal.DefaultMergeEventListener.doMerge(DefaultMergeEventListener.java:143)
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:127)
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:81)
at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:127)
at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:848)
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:834)