@GeneratedValue does not work with composite primary key -------------------------------------------------------- Key: EJBTHREE-508 URL: https://jira.jboss.org/jira/browse/EJBTHREE-508 Project: EJB 3.0 Issue Type: Bug Affects Versions: EJB 3.0 RC6 - PFD Reporter: Holger Johanndeiter Assignee: Emmanuel Bernard Attachments: User.java, UserPK.java I have an entity with a primary key class (@IdClass annotation) where i want the id to be auto-generated. (see forum post) That does not happen though, no ids are generated, the only id i get is 0. (leads to one database entry where the id is 0, after that errors of course). Database is Hypersonic SQL. The entity works perfectly fine without @IdClass annotation.