public void addManager(int resourceId, int managerId) {
   Connection con = initCon();
   try {
     ResourcesManagerDAO.addManager(con, resourceId, managerId);
   } catch (Exception e) {
     throw new ResourcesManagerRuntimeException(
         "ResourcesManagerBmEJB.addManager()",
         SilverpeasRuntimeException.ERROR,
         "resourcesManager.EX_ADD_MANAGER",
         e);
   } finally {
     fermerCon(con);
   }
 }