final Map<String, Object> requestBody = new HashMap<>();
            final String schedulerId = getSchedulerIds(namePrefix).get(0);
            final Response response = checkMethodBase(requestBody).post("/api/admin/scheduler/" + schedulerId + "/start");
            if (response.getBody().jsonPath().getInt("response.status") == 0) {
                logger.info("Start scheduler \"{}\"", schedulerId);
                return;

        form.ldapAdminSecurityCredentials = null;
        return asJson(new ApiConfigResponse().setting(form).status(Status.OK).result());
    }

    // POST /api/admin/general
    @Execute
    public JsonResponse<ApiResult> post$index(final EditBody body) {
        validateApi(body, messages -> {});
        final EditBody newBody = new EditBody();
        AdminGeneralAction.updateForm(fessConfig, newBody);

        List<String> stubCleanCycle = Arrays.asList(PRE_CLEAN.getPhase(), CLEAN.getPhase(), POST_CLEAN.getPhase());

        List<String> stubSiteCycle =
                Arrays.asList(PRE_SITE.getPhase(), SITE.getPhase(), POST_SITE.getPhase(), SITE_DEPLOY.getPhase());

        List<String> stubWrapperCycle = Arrays.asList(WRAPPER.getPhase());

        return asJson(
                new ApiUpdateResponse().id(doc.get(fessConfig.getIndexFieldDocId()).toString()).created(true).status(Status.OK).result());
    }

    // POST /api/admin/searchlist/doc
    @Execute
    public JsonResponse<ApiResult> post$doc(final EditBody body) {
        validateApi(body, messages -> {});
        if (body.doc == null) {

  @GwtIncompatible // SerializableTester
  public void testIsNull_serialization() {
    Predicate<String> pre = Predicates.isNull();
    Predicate<String> post = SerializableTester.reserializeAndAssert(pre);
    assertEquals(pre.apply("foo"), post.apply("foo"));
    assertEquals(pre.apply(null), post.apply(null));
  }

  public void testNotNull_apply() {
    Predicate<@Nullable Integer> notNull = Predicates.notNull();

    //                                                                      Search Execute
    //                                                                      ==============

    // GET /api/admin/crawlinginfo/logs
    // POST /api/admin/crawlinginfo/logs
    @Execute
    public JsonResponse<ApiResult> logs(final SearchBody body) {
        validateApi(body, messages -> {});

    //                                                                      Search Execute
    //                                                                      ==============

    // GET /api/admin/failureurl/logs
    // POST /api/admin/failureurl/logs
    @Execute
    public JsonResponse<ApiResult> logs(final SearchBody body) {
        validateApi(body, messages -> {});

        storeStateInSession(request.getSession(), state, nonce);
        final String authUrl = getAuthority() + getTenant()
                + "/oauth2/authorize?response_type=code&scope=directory.read.all&response_mode=form_post&redirect_uri="
                + URLEncoder.encode(getReplyUrl(request), Constants.UTF_8_CHARSET) + "&client_id=" + getClientId()
                + "&resource=https%3a%2f%2fgraph.microsoft.com" + "&state=" + state + "&nonce=" + nonce;

        this.usePipeline = true;
    }

    protected InetAddress getInetAddressByName(final String host) {
        try {
            return InetAddress.getByName(host);
        } catch (final UnknownHostException e) {
            throw new FessSystemException("Failed to resolve the hostname: " + host, e);
        }
    }

    @PostConstruct
    public void open() {
        if (logger.isDebugEnabled()) {

        try {
            final String source = FileUtil.readUTF8(filePath);
            try (CurlResponse response =
                    ComponentUtil.getCurlHelper().post("/_configsync/file").param("path", path).body(source).execute()) {
                if (response.getHttpStatusCode() == 200) {
                    logger.info("Register {} to {}", path, indexName);
                    return true;