From: <glassfish_at_javadesktop.org>
Date: Thu, 03 May 2007 11:59:31 PDT

Hi Ketan,

the JPA specification states some rules for composite primary keys, please see JPA spec, $2.1.4. This means you should define your IdClass like:

public class UserSessionPK implements java.io.Serializable{
private String userId;
private String sessionId;
private String eventId;
....

-- markus.
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