private List<Host> listHosts(){
User user=(User)HttpManager.request().getAuthorization().getTag();
HostAPI hostAPI = APILocator.getHostAPI();
List<Host> hosts;
try {
hosts = hostAPI.findAll(user, false);
hosts.remove(APILocator.getHostAPI().findSystemHost());
} catch (DotDataException e) {
Logger.error(WebdavRootResourceImpl.class, e.getMessage(), e);
throw new DotRuntimeException(e.getMessage(), e);
} catch (DotSecurityException e) {