const unsignedPayload = "UNSIGNED-PAYLOAD"

// http Header "x-amz-content-sha256" == "STREAMING-UNSIGNED-PAYLOAD-TRAILER" indicates that the
// client did not calculate sha256 of the payload and there is a trailer.
const unsignedPayloadTrailer = "STREAMING-UNSIGNED-PAYLOAD-TRAILER"

// skipContentSha256Cksum returns true if caller needs to skip
// payload checksum, false if not.

		}
		if err := w.Close(); err != nil {
			t.Fatalf("Unable to write archive: %s", err)
		}

		// TODO: We may want to check if the archive roundtrips. This would require
		// taking into account addition of the two zero trailer blocks that Writer.Close
		// appends.
	})

     */
    @PreDestroy
    public void destroy() {
        if (!finishCrawling) {
            if (logger.isInfoEnabled()) {
                logger.info("Stopping all crawlers.");
            }
            forceStop();
        }
    }

    /**
     * Adds a finished session ID to the cleanup list.
     * This method is thread-safe and adds the session ID to be cleaned up later.

            final String sessionId2 = crawler2.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            // Wait for both crawlers to start with polling
            long startTime = System.currentTimeMillis();
            while ((crawler1.crawlerContext.getStatus() != CrawlerStatus.RUNNING

// If checksum was trailing, they must have been added to r.Trailer.
func TransferChecksumHeader(w http.ResponseWriter, r *http.Request) {
	c, err := GetContentChecksum(r.Header)
	if err != nil || c == nil {
		return
	}
	t, s := c.Type, c.Encoded
	if !c.Type.IsSet() {
		return
	}
	if c.Type.Is(ChecksumTrailing) {
		val := r.Trailer.Get(t.Key())
		if val != "" {
			w.Header().Set(t.Key(), val)
		}

![Admin UI](https://fess.codelibs.org/_images/fess_admin_dashboard.png)

Vous pouvez enregistrer des cibles à explorer dans l'interface d'administration sur les pages de configuration des crawlers (Web, Fichiers, Data Store), puis démarrer manuellement le Crawler sur la [page du Planificateur](https://fess.codelibs.org/15.3/admin/scheduler-guide.html).

## Migration depuis un autre fournisseur de recherche

        saveToken();
        return asHtml(path_AdminWizard_AdminWizardStartJsp).useForm(StartCrawlingForm.class);
    }

    /**
     * Starts the crawling process for all configured crawlers.
     *
     * @param form the start crawling form
     * @return HTML response redirecting to the wizard index
     */
    @Execute
    @Secured({ ROLE })

   * Timing-Allow-Origin}</a> header field name.
   *
   * @since 15.0
   */
  public static final String TIMING_ALLOW_ORIGIN = "Timing-Allow-Origin";

  /** The HTTP {@code Trailer} header field name. */
  public static final String TRAILER = "Trailer";

  /** The HTTP {@code Transfer-Encoding} header field name. */
  public static final String TRANSFER_ENCODING = "Transfer-Encoding";

	AmzCredential           = "X-Amz-Credential"
	AmzSecurityToken        = "X-Amz-Security-Token"
	AmzDecodedContentLength = "X-Amz-Decoded-Content-Length"
	AmzTrailer              = "X-Amz-Trailer"
	AmzMaxParts             = "X-Amz-Max-Parts"
	AmzPartNumberMarker     = "X-Amz-Part-Number-Marker"

	// Constants used for GetObjectAttributes and GetObjectVersionAttributes

    /**
     * Thread priority for crawler operations.
     */
    protected int crawlerPriority = Thread.NORM_PRIORITY;

    /**
     * Synchronized list of active crawlers.
     */
    protected final List<Crawler> crawlerList = Collections.synchronizedList(new ArrayList<>());

    /**
     * Initiates crawling for specified web and file configurations.
     *