@Required
    @Min(0)
    @Max(100)
    @ValidateTypeFailure
    public Integer crawlingThreadCount;

    /**
     * Enable or disable search query logging.
     * When enabled, user search queries are logged for analysis.
     */
    @Size(max = 10)
    public String searchLog;

    /**
     * Enable or disable user information tracking.
     * When enabled, user information is stored and tracked.
     */

    $ ./bin/fess

For more details, see the [Installation Guide](https://fess.codelibs.org/15.3/install/index.html).

### Docker

We provide Docker images on [ghcr.io](https://github.com/orgs/codelibs/packages). We also provide a Docker Compose (YAML) file in [this repository](https://github.com/codelibs/docker-fess/tree/master/compose). 

### Browser UI

- Search UI: http://localhost:8080/

    /** Type identifier for character mapping dictionaries. */
    private static final String MAPPING = "mapping";

    /** List of character mapping items loaded from the mapping file. */
    List<CharMappingItem> mappingItemList;

    /**
     * Constructs a new CharMappingFile instance.
     *
     * @param id the unique identifier for this mapping file

    private static final Logger logger = LogManager.getLogger(StemmerOverrideFile.class);

    private static final String STEMMER_OVERRIDE = "stemmeroverride";

    /** The list of stemmer override items loaded from the dictionary file. */
    List<StemmerOverrideItem> stemmerOverrideItemList;

    /**
     * Constructs a new stemmer override file.
     *
     * @param id        The unique identifier for this dictionary file.

                final List<String> errors = auth.getErrors();
                if (errors.isEmpty()) {
                    throw new SsoMessageException(messages -> messages.addSuccessSsoLogout(UserMessages.GLOBAL_PROPERTY_KEY), "Logged out");
                }
                final String msg = errors.stream().collect(Collectors.joining(", "));
                throw new SsoMessageException(

            }
        });
    }

    /**
     * Gets the username of the current user.
     *
     * @return The username, or "guest" if not logged in.
     */
    public String getUsername() {
        return getRequestManager().findUserBean(FessUserBean.class).map(FessUserBean::getUserId).orElse(Constants.GUEST_USER);
    }

    /**