public List<ReservationDetail> getReservations(String instanceId) {
   Connection con = initCon();
   try {
     return ResourcesManagerDAO.getReservations(con, instanceId);
   } catch (Exception e) {
     throw new ResourcesManagerRuntimeException(
         "ResourcesManagerBmEJB.getReservations()",
         SilverpeasRuntimeException.ERROR,
         "resourcesManager.EX_GET_RESERVATIONS",
         e);
   } finally {
     fermerCon(con);
   }
 }