resultBuf.append(e.getMessage()).append("\n");
        }

        // purge job logs
        try {
            final int days = ComponentUtil.getFessConfig().getPurgeJobLogDay();
            if (days >= 0) {
                jobLogService.deleteBefore(days);
            } else {
                resultBuf.append("Skipped to purge job logs.\n");
            }
        } catch (final Exception e) {

        final Map<String, Object> searchBody = new HashMap<>();
        final String response = checkMethodBase(searchBody).get("/api/admin/" + apiName + "/logs").asString();
        final List<Map<String, Object>> itemList = JsonPath.from(response).getList("response.logs");
        logger.info("itemList: {}", itemList);
        return itemList;
    }

    protected static Response deleteMethod(final String path) {

    // GET /api/admin/joblog/logs
    @Execute
    public JsonResponse<ApiResult> logs(final SearchBody body) {
        validateApi(body, messages -> {});
        final JobLogPager pager = copyBeanToNewBean(body, JobLogPager.class);
        final List<JobLog> list = jobLogService.getJobLogList(pager);

    //                                                                      ==============

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

    //                                                                      ==============

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

        for (Map<String, Object> elem : logList) {
            deleteMethod("/api/admin/joblog/log/" + elem.get("id")).then().body("response.status", equalTo(0));
        }

        final List<Map<String, Object>> afterList = readJobLog(NAME_PREFIX);
        assertEquals(0, afterList.size()); // check if logs are successfully deleted
    }

    /**
     * Test for CrawlingInfo
     * */

    }

    @Execute
    @Secured({ ROLE })
    public HtmlResponse deleteall() {
        verifyToken(this::asListHtml);
        searchLogPager.clear();
        // TODO delete logs
        saveInfo(messages -> messages.addSuccessCrawlingInfoDeleteAll(GLOBAL));
        return redirect(getClass());
    }

    // ===================================================================================

                fieldLogMap = (Map<String, List<String>>) request.getAttribute(Constants.FIELD_LOGS);
                if (fieldLogMap == null) {
                    fieldLogMap = new HashMap<>();
                    request.setAttribute(Constants.FIELD_LOGS, fieldLogMap);
                }
            });
        }
    }

        }
      } catch (InterruptedException e) {
        // ignore
      }
    }
  }

  /**
   * Cleans up the given reference and any other references already in the queue. Catches and logs
   * all throwables.
   *
   * @return true if the caller should continue to wait for more references to be added to the
   *     queue, false if the associated FinalizableReferenceQueue is no longer referenced.
   */

        protected Object log;

        public ApiLogResponse log(final Object log) {
            this.log = log;
            return this;
        }

        @Override
        public ApiResult result() {
            return new ApiResult(this);
        }
    }

    public static class ApiLogsResponse<T> extends ApiResponse {
        protected List<T> logs;
        protected long total = 0;