In bidirectional remove element from detached collection and merge it will not update the many side --------------------------------------------------------------------------------------------------- Key: HHH-3446 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3446 Project: Hibernate3 Issue Type: Bug Components: core Affects Versions: 3.2.6 Environment: Windows Reporter: Avihai Marchiano Attachments: persistence-deps.zip In bidirectional when remove element from the collection (i also nullify the reference from the many side ) the element reference wasnt nullify. i have a detached collection (user has many permissions) in detached i call to : permission.user = null; iterator.remove(); and then call to em.merge(user); it dosnt nullify the FK in permission table. if i remark the line - "iterator.remove();" then it will nullify the FK, but in bi-directional you update both sides of the collection in order to be consistent. attached a project. -- 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