}
        updateSystemProperties();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        filterPathEncoding = fessConfig.getPathEncoding();
        supportedLanguages = fessConfig.getSupportedLanguagesAsArray();
        langItemsCache = CacheBuilder.newBuilder().maximumSize(20).expireAfterAccess(1, TimeUnit.HOURS)
                .build(new CacheLoader<String, List<Map<String, String>>>() {
                    @Override