fixDescriptors();
SuportePersistenteOJB.fixDescriptors();
	public void init(ServletConfig config) throws ServletException {		super.init(config);				fixDescriptors();		try {			InfoExecutionPeriod infoExecutionPeriod = (InfoExecutionPeriod) ServiceUtils					.executeService(null, "ReadCurrentExecutionPeriod", null);			config.getServletContext().setAttribute(					SessionConstants.INFO_EXECUTION_PERIOD_KEY,					infoExecutionPeriod);			setScheduleForGratuitySituationCreation();		} catch (Throwable e) {			throw new ServletException(					"Error reading actual execution period!", e);		}		try {			final Boolean result = (Boolean) ServiceManagerServiceFactory					.executeService(null, "CheckIsAliveService", null);			if (result != null && result.booleanValue()) {				System.out.println("Check is alive is working.");			} else {				System.out.println("Check is alive is not working.");			}		} catch (Exception ex) {			System.out.println("Check is alive is not working. Caught excpetion.");			ex.printStackTrace();		}	}