executorService.awaitTermination(60, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", e);
                }
            } finally {
                executorService.shutdownNow();
            }
        }
    }

        }

        indexUpdater.setFinishCrawling(true);
        try {
            indexUpdater.join();
        } catch (final InterruptedException e) {
            logger.warn("Interrupted index update.", e);
        }

        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_INDEX_EXEC_TIME, Long.toString(indexUpdater.getExecuteTime()));