FetchType.EAGER semble nécessaire

@@ -119,7 +119,7 @@ public class User /* extends org.roliste.data.DbTraceableEntity */ implements Di
     /**
     /**
      * The {link org.roliste.data.db.UserRole}s for this user.
      * The {link org.roliste.data.db.UserRole}s for this user.
      */
      */
-    @ManyToMany
+    @ManyToMany(fetch = FetchType.EAGER)
     @Column(name = "USER_ROLE_ID")
     @Column(name = "USER_ROLE_ID")
     private List<UserRole> roles;
     private List<UserRole> roles;