Using a javax.validation.constraints.NotNull constraint on a ManyToMany relation causes an AssertionFailure if the relatated entity also contains a ManyToMany relation to a third entity ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Key: HHH-5540 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5540 Project: Hibernate Core Issue Type: Bug Components: core Affects Versions: 3.5.5, 3.5.1 Environment: hibernate 3.5.1-final and hibernate 3.5.5.final on oracle 10g Reporter: Jan Viaccava Attachments: hibernatebug.zip update on an entity with a javax.validation.constraints.NotNull constraint on a ManyToMany relation causes an AssertionFailure if the relatated entity also contains a ManyToMany relation to a third entity and all relations have the fetchtype lazy. Here is the given entity structure: @Entity class A { String textA; @NotNull @ManyToMany Set<B> b; } @Entity class B { String textB; @NotNull @ManyToMany Set<C> b; } @Entity class A { String textC; } this pseudocode causes the error: startTransaction A myA = find(A.class,1); myA.setText("newText"); commit See the attached testcase for more details -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira