"QueryException: could not resolve property ..." failure for association property in Hibernate Envers in EAP

Solution Verified - Updated -

Issue

  • An AuditQuery fails with

    org.hibernate.QueryException: could not resolve property: employee of: support.hibernate.entity.Task_AUD [select e__, r from support.hibernate.entity.Task_AUD e__, org.hibernate.envers.DefaultRevisionEntity r where e__.REVTYPE <> :_p0 and e__.employee.title = :_p1 and e__.originalId.REV.id = r.id order by e__.originalId.REV.id asc]
        at org.hibernate.persister.entity.AbstractPropertyMapping.propertyException(AbstractPropertyMapping.java:83)
        ...
        at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:200)
        at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1739)
        at org.hibernate.envers.tools.query.QueryBuilder.toQuery(QueryBuilder.java:226)
        at org.hibernate.envers.query.impl.AbstractAuditQuery.buildQuery(AbstractAuditQuery.java:92)
        at org.hibernate.envers.query.impl.AbstractAuditQuery.buildAndExecuteQuery(AbstractAuditQuery.java:98)
        at org.hibernate.envers.query.impl.RevisionsOfEntityQuery.list(RevisionsOfEntityQuery.java:112)
        at org.hibernate.envers.query.impl.AbstractAuditQuery.getResultList(AbstractAuditQuery.java:106)
        ...
    
  • The AuditQuery has a restriction involving a property of an associated instance

    AuditQuery query = auditQueryCreator.forRevisionsOfEntity(Task.class, false, false);
    query.add(AuditEntity.property("employee.title").eq("Engineer"));
    ...
    
  • The association involves entity classes like the following

    @Entity
    @Audited
    public class Task {
        ...
        @ManyToOne
        private Employee employee;
        ...
    }
    
    @Entity
    @Audited
    public class Employee {
        ...
        private String title;
    
        @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
        @JoinColumn(name = "employee_name")
        private List<Task> tasks;
        ...
    }
    

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP) 6
  • Hibernate / Envers 4

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