[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-5940) @MapKeyJoinColumns always throws an exception

@MapKeyJoinColumns always throws an exception --------------------------------------------- Key: HHH-5940 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5940 Project: Hibernate Core Issue Type: Bug Components: annotations Affects Versions: 3.5.6 Reporter: Bob Reynolds Assignee: Emmanuel Bernard Fix For: 3.6.3, 4.0.0.Alpha2 Using the annotation @MapKeyJoinColumns always throws an exception, which is obvious when you look at AnnotationBinder.java (line 1772 in 3.5.6): if ( property.isAnnotationPresent( MapKeyJoinColumns.class ) ) { stuff... joinKeyColumns = new JoinColumn[mapKeyJoinColumns.length]; stuff... if ( joinKeyColumns != null ) { throw new AnnotationException( "@MapKeyJoinColumn and @MapKeyJoinColumns used on the same property: " + BinderHelper.getPath( propertyHolder, inferredData ) ); } } The problem here is that the if statement is always true because joinKeyColumns was created as non-null above.