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) {

    // 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);

        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
     * */

        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) {

    mockFlushable = mock(Flushable.class);
    if (shouldThrowOnFlush) {
      doThrow(
              new IOException(
                  "This should only appear in the " + "logs. It should not be rethrown."))
          .when(mockFlushable)
          .flush();
    }
  }

  // Flush the flushable using the Flushables, passing in the swallowException

  // exception.
  private void setupCloseable(boolean shouldThrow) throws IOException {
    mockCloseable = mock(Closeable.class);
    if (shouldThrow) {
      doThrow(new IOException("This should only appear in the logs. It should not be rethrown."))
          .when(mockCloseable)
          .close();
    }
  }

  private void doClose(Closeable closeable, boolean swallowException) throws IOException {

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

    }

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

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

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

    // 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);