logger.warn("{} is invalid path.", path, response.getContentException());
            } else {
                logger.warn("{} is invalid path. The response is {}", path, response.getContentAsString());
            }
        } catch (final IOException e) {
            logger.warn("{} is invalid path.", path, e);
        }
        return null;
    }

storage.max.items.in.page=1000


# ----------------------------------------------------------
#                                                   Password
#                                                     ------
password.invalid.admin.passwords=\

    /** The key of the configuration. e.g. 1000 */
    String STORAGE_MAX_ITEMS_IN_PAGE = "storage.max.items.in.page";

    /** The key of the configuration. e.g. admin */
    String PASSWORD_INVALID_ADMIN_PASSWORDS = "password.invalid.admin.passwords";

    /**
     * Get the value of property as {@link String}.
     * @param propertyKey The key of the property. (NotNull)

    /** The key of the message: Bad Request */
    public static final String LABELS_request_error_title = "{labels.request_error_title}";

    /** The key of the message: Invalid request for the url. */
    public static final String LABELS_bad_request = "{labels.bad_request}";

    /** The key of the message: Page Not Found */

labels.searchoptions_menu_labels=Labels
labels.error_title=Error
labels.system_error_title=System Error
labels.contact_site_admin=Contact the Site Administrator.
labels.request_error_title=Bad Request
labels.bad_request=Invalid request for the url.
labels.page_not_found_title=Page Not Found
labels.check_url=Check the url.
labels.user_name=Username
labels.login=Login
labels.login.placeholder_username=Username

labels.searchoptions_menu_labels=Labels
labels.error_title=Error
labels.system_error_title=System Error
labels.contact_site_admin=Contact the Site Administrator.
labels.request_error_title=Bad Request
labels.bad_request=Invalid request for the url.
labels.page_not_found_title=Page Not Found
labels.check_url=Check the url.
labels.user_name=Username
labels.login=Login
labels.login.placeholder_username=Username