} catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("ThumbnailGenerator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("ThumbnailGenerator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

     * 止まっているかどうか返します。
     *
     * @return 止まっているかどうか
     */
    public boolean isStopped() {
        return status == STOPPED;
    }

    /**
     * タイマーをとめます。
     */
    public void stop() {
        if (status != ACTIVE) {
            throw new ClIllegalStateException(String.valueOf(status));
        }
        status = STOPPED;
    }

    /**
     * タイマーを再開始します。
     */

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("SuggestCreator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

                } finally {
                    if (systemHelper.isForceStop()) {
                        finishCrawling = true;
                        if (logger.isDebugEnabled()) {
                            logger.debug("Stopped indexUpdater.");
                        }
                    }
                }

                if (emptyListCount >= maxEmptyListCount) {
                    if (logger.isInfoEnabled()) {

    public synchronized void stop() {
        if (thread != null) {
            thread.interrupt();
            thread = null;
            if (logger.isDebugEnabled()) {
                logger.debug("TimeoutManager stopped.");
            }
        }
    }

    /**
     * スレッドに割り込みを行い、終了するまで待機します。
     *
     * @param timeoutMillis
     *            待機する時間(ミリ秒単位)
     * @return スレッドが終了した場合は<code>true</code>

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Crawler is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("Crawler is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {
            logger.error("Crawler does not work correctly.", t);

            if (logger.isInfoEnabled()) {
                logger.info("Stopping process {}", sessionId);
            }
            if ((destroyProcess(sessionId) == 0) && logger.isInfoEnabled()) {
                logger.info("Stopped process {}", sessionId);
            }
        }
    }

    public JobProcess startProcess(final String sessionId, final List<String> cmdList, final Consumer<ProcessBuilder> pbCall) {

    /** The key of the message: Started job {0}. */
    public static final String SUCCESS_job_started = "{success.job_started}";

    /** The key of the message: Stopped job {0}. */
    public static final String SUCCESS_job_stopped = "{success.job_stopped}";

    /** The key of the message: Uploaded Synonym file. */
    public static final String SUCCESS_upload_synonym_file = "{success.upload_synonym_file}";

            final int days = ComponentUtil.getFessConfig().getPurgeSearchLogDay();
            if (days >= 0) {
                searchLogService.deleteBefore(days);
            } else {
                resultBuf.append("Skipped to purge search logs.\n");
            }
        } catch (final Exception e) {
            logger.error("Failed to purge search logs.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        switch (fesenType) {
        case Constants.FESEN_TYPE_CLOUD:
        case Constants.FESEN_TYPE_AWS:
            if (logger.isDebugEnabled()) {
                logger.debug("Skipped configsync flush: {}", fesenType);
            }
            callback.run();
            break;
        default:
            ComponentUtil.getCurlHelper().post("/_configsync/flush").execute(response -> {