}
		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.
	})

            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

            logger.info("Deleted completed document data. The execution time is {}ms.", systemHelper.getCurrentTimeAsLong() - execTime);
        }
    }

    /**
     * Forces all crawlers to stop immediately.
     * Sets the force stop flag and stops all active crawler instances.
     */
    private void forceStop() {
        systemHelper.setForceStop(true);
        if (crawlerList != null) {

        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";

![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/14.17/admin/scheduler-guide.html).

## Migration depuis un autre fournisseur de recherche

    /**
     * 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.
     *

pkg math/rand, type Source64 interface, Seed(int64)
pkg math/rand, type Source64 interface, Uint64() uint64
pkg net/http, const TrailerPrefix ideal-string
pkg net/http, const TrailerPrefix = "Trailer:"
pkg net/http/httptrace, type ClientTrace struct, TLSHandshakeDone func(tls.ConnectionState, error)
pkg net/http/httptrace, type ClientTrace struct, TLSHandshakeStart func()

            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

        options.webConfigIds = "web1";
        options.dataConfigIds = "data1";

        int result = crawler.doCrawl(options);
        assertEquals(Constants.EXIT_OK, result);

        // Verify both crawlers ran
        assertEquals(4, executionOrder.size());
        assertTrue(executionOrder.contains("web-start"));
        assertTrue(executionOrder.contains("web-end"));
        assertTrue(executionOrder.contains("data-start"));