XmldbURI collectionURI = existCollection.createCollection(name);
collection = new MiltonCollection(host, collectionURI, brokerPool, subject);
} catch (PermissionDeniedException ex) {
LOG.debug(ex.getMessage());
throw new NotAuthorizedException(this);
} catch (CollectionExistsException | EXistException ex) {
LOG.debug(ex.getMessage());
throw new ConflictException(this);