protected StemmerOverrideItem item;

        /**
         * Constructs a new updater for a stemmer override item.
         *
         * @param newItem The item to be added or updated.
         * @throws DictionaryException if the temporary file cannot be created.
         */
        protected StemmerOverrideUpdater(final StemmerOverrideItem newItem) {
            FileOutputStream fos = null;
            try {

There are 2 ways to try Fess. The first is to download and install yourself. The second is to use [Docker](https://www.docker.com/products/docker-engine).

### Download and Install/Run

Fess 15.3 is now available and can be downloaded on the [Releases page](https://github.com/codelibs/fess/releases "download"). Downloads come in 3 flavors: deb, rpm, zip.

The following commands show how to use the zip download:

    $ unzip fess-15.3.x.zip

/**
 * Character mapping file handler for managing character mapping dictionaries.
 * This class provides functionality to load, parse, and manage character mapping
 * rules that define how input characters should be transformed to output characters
 * during text analysis and search processing.
 *
 * Character mapping files contain mapping rules in the format:
 * input1,input2,... => output
 */

    /** A map of design JSP file names. */
    protected final Map<String, String> designJspFileNameMap = new LinkedHashMap<>();

    /** A flag to indicate if the system should be forcefully stopped. */
    protected final AtomicBoolean forceStop = new AtomicBoolean(false);

    /** A cache for language items. */
    protected LoadingCache<String, List<Map<String, String>>> langItemsCache;

            return bos.toByteArray();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Determines if the search parameter cookie should be secure based on configuration and request.
     *
     * @param request The HTTP request
     * @return true if the cookie should have the secure flag set
     */