* @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**
     * Set the value of jobname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.

        final ComponentDef<?> componentDef = prototypeMap.get(name);
        if (componentDef != null) {
            return (T) componentDef.get();
        }
        final ComponentHolder<?> componentHolder = singletonMap.get(name);
        if (componentHolder != null) {
            return (T) componentHolder.get();
        }
        return null;
    }

    @Override
    public boolean available() {
        return available;

	if !regexp.MustCompile("SELECT \\* FROM \\(SELECT .name. FROM .users. WHERE .users.\\..deleted_at. IS NULL\\) as u, \\(SELECT .name. FROM .pets. WHERE .pets.\\..deleted_at. IS NULL\\) as p WHERE .u.\\..deleted_at. IS NULL").MatchString(r.Statement.SQL.String()) {
		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
	}

        } finally {
            // remove crawlerContext from thread
            CrawlingParameterUtil.setCrawlerContext(null);
            CrawlingParameterUtil.setUrlQueueService(null);
            CrawlingParameterUtil.setDataService(null);
        }
        log(logHelper, LogType.FINISHED_THREAD, crawlerContext);
    }

    /**
     * Adds sitemaps from robots.txt to the crawling queue.

    protected ResponseData processRequest(final String uri, final boolean includeContent) {
        if (ftpAuthenticationHolder == null) {
            init();
        }

        // start
        AccessTimeoutTarget accessTimeoutTarget = null;
        TimeoutTask accessTimeoutTask = null;
        if (accessTimeout != null) {
            accessTimeoutTarget = new AccessTimeoutTarget(Thread.currentThread());

        qrList.allRecordCountRelation = null;
        qrList.queryTime = 0;
        qrList.partialResults = false;
        qrList.facetResponse = null;

        String toStringResult = qrList.toString();
        assertTrue(toStringResult.contains("QueryResponseList"));
        assertTrue(toStringResult.contains("allRecordCountRelation=null"));
        assertTrue(toStringResult.contains("facetResponse=null"));

fi

if [ "$REMOVE_SERVICE" = "true" ]; then
    if command -v systemctl >/dev/null; then
        systemctl --no-reload disable fess.service > /dev/null 2>&1 || true
    fi

    if command -v chkconfig >/dev/null; then
        chkconfig --del fess 2> /dev/null || true
    fi

    if command -v update-rc.d >/dev/null; then
        update-rc.d fess remove >/dev/null || true
    fi
fi

if [ "$REMOVE_DIRS" = "true" ]; then

   * find it when available. When this is null, use the slow way.
   */
  @J2ktIncompatible @GwtIncompatible // java.lang.reflect
  private static final @Nullable Method getStackTraceElementMethod =
      (jla == null) ? null : getGetMethod();

  /**
   * The "getStackTraceDepth" method, only available on some JDKs so we use reflection to find it
   * when available. When this is null, use the slow way.
   */

        // Test with null message and valid cause
        TransportException nullMessageException = new TransportException(null, rootCause);
        assertNull(nullMessageException.getMessage());
        assertEquals(rootCause, nullMessageException.getCause());

        // Test with valid message and null cause
        TransportException nullCauseException = new TransportException(message, null);

    @Test
    @DisplayName("Constructor with open() returning null closes immediately and hasNext=false")
    void constructorOpenNullCloses() throws Exception {
        // Arrange
        stubAcquireReturnsSelf();
        List<FileEntry[]> pages = List.of(new FileEntry[][] { new FileEntry[] {} });

        // Create iterator where open() returns null by giving null initial