val isoTimestampFormat = newSimpleDateFormatUTC("yyyy-MM-dd HH:mm:ss z")

        private
        fun newSimpleDateFormatUTC(pattern: String) = SimpleDateFormat(pattern).apply {
            timeZone = TimeZone.getTimeZone("UTC")
        }

        fun readBuildReceiptFromString(buildReceipt: String) =
            Properties().apply { load(buildReceipt.reader()) }

        const val buildReceiptFileName = "build-receipt.properties"

        long unixTime = time / 1000L;

        // Mocking date for timezone consistency
        TimeZone original = TimeZone.getDefault();
        try {
            TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
            ServerMessageBlock.writeUTime(unixTime * 1000L, buffer, 0);
            long readTime = ServerMessageBlock.readUTime(buffer, 0);
            assertEquals(unixTime * 1000L, readTime);
        } finally {

    }

    @Test
    @DisplayName("TimeZone configuration should delegate correctly")
    void testTimeZoneConfigurationDelegation() {
        // Given
        TimeZone timeZone = TimeZone.getTimeZone("UTC");
        when(mockDelegate.getLocalTimezone()).thenReturn(timeZone);

        // When
        TimeZone resultTimeZone = delegatingConfig.getLocalTimezone();

        // Then

    /** Configuration path property key. */
    public static final String FESS_CONF_PATH = "fess.conf.path";

    /** UTC timezone constant. */
    public static final TimeZone TIMEZONE_UTC = TimeZone.getTimeZone("UTC");

    // ============================================================
    // LDAP Configuration Constants
    // ============================================================

        }
        if (obj instanceof String) {
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
            sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
            try {
                return sdf.parse(obj.toString());
            } catch (final ParseException e) {
                if (logger.isDebugEnabled()) {

    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        final Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
        cal.set(2027, 6 - 1, 1); // EOL Date
        eolTime = cal.getTimeInMillis();
        if (isEoled()) {
            logger.error("Your system is out of support. See https://fess.codelibs.org/eol.html");

    val servedDate = Date(System.currentTimeMillis() + TimeUnit.HOURS.toMillis(-2))
    val dateFormat: DateFormat = SimpleDateFormat("EEE dd-MMM-yyyy HH:mm:ss z", Locale.US)
    dateFormat.timeZone = TimeZone.getTimeZone("America/New_York")
    val lastModifiedString = dateFormat.format(lastModifiedDate)
    val servedString = dateFormat.format(servedDate)

    // This response should be conditionally cached.
    server.enqueue(