[hibernate-issues] [Hibernate-JIRA] Issue Comment Edited: (HHH-5712) AssertionFailure when collection contains a wildcard type

AssertionFailure when collection contains a wildcard type --------------------------------------------------------- Key: HHH-5712 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5712 Project: Hibernate Core Issue Type: Bug Affects Versions: 3.6.0 Reporter: Jelle De Vreese {noformat} org.hibernate.annotations.common.AssertionFailure: Fail to process type argument in a generic declaration. Member : path.to.SubjectPO#getDetails Type: class sun.reflect.generics.reflectiveObjects.WildcardTypeImpl at org.hibernate.ejb.metamodel.AttributeFactory$PluralAttributeMetadataImpl.getClassFromGenericArgument(AttributeFactory.java:846) {noformat} {code} @Override @OneToMany(mappedBy = "subject", targetEntity = DetailPO.class) @NotEmpty public Set<? extends Detail> getDetails() { if (details == null) details = new HashSet<Detail>(); return details; } {code}