private void removePublicData() throws Exception { try { log.info( String.format( "remove public datas..... \n removing %s calendars.....", publicCalendar.size())); for (String calId : publicCalendar) { if (!isEmpty(calId)) { calService.removePublicCalendar(calId); } } } catch (Exception e) { log.debug("Failed to remove public injecter datas", e); } }