thumbnailQueueThread.join(10000);
        } catch (final InterruptedException e) {
            logger.warn("Thumbnail thread is timeouted.", e);
        }
        generatorList.forEach(g -> {
            try {
                g.destroy();
            } catch (final Exception e) {
                logger.warn("Failed to stop thumbnail generator.", e);
            }
        });
    }

}

// FilterTargetArns returns a slice of distinct target arns in the config
func (c Config) FilterTargetArns(obj ObjectOpts) []string {
	var arns []string

	tgtsMap := make(map[string]struct{})
	rules := c.FilterActionableRules(obj)
	for _, rule := range rules {
		if rule.Status == Disabled {
			continue
		}
		if c.RoleArn != "" {
			arns = append(arns, c.RoleArn) // use legacy RoleArn if present
			return arns

	if l.LogLevel >= Info {
		l.Printf(l.infoStr+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
	}
}

// Warn print warn messages
func (l *logger) Warn(ctx context.Context, msg string, data ...interface{}) {
	if l.LogLevel >= Warn {
		l.Printf(l.warnStr+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
	}
}

// Error print error messages

        }
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ
     * @param throwable
     *            例外
     */
    public void warn(final Object message, final Throwable throwable) {
        log.warn(toString(message), throwable);
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ

    private static final long serialVersionUID = 1L;

    public static final String DEBUG = "DEBUG";

    public static final String INFO = "ERROR";

    public static final String WARN = "WARN";

    public static final String ERROR = "ERROR";

    private String logLevel = INFO;

    public CrawlingAccessException(final String message, final Throwable cause) {
        super(message, cause);
    }

        } catch (final Exception e) {
            logger.warn("Failed to delete UrlFilter for {}", sid, e);
        }

        try {
            // clear queue
            urlQueueService.clearCache();
            urlQueueService.delete(sid);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlQueue for {}", sid, e);
        }

        try {

	assert.NoError(t, istiolog.Configure(loggingOptions))
	istiolog.FindScope("default").SetOutputLevel(istiolog.DebugLevel)
	istiolog.Debug("debug log")
	istiolog.Info("info log")
	istiolog.Warn("warn log")
	istiolog.Error("error log")
	istiolog.WithLabels("key", 2).Infof("with labels")
	// This will error because stdout cannot sync, but the UDS part should sync

                    logger.warn("Could not close a process output stream.", e);
                } finally {
                    latch.countDown();
                }
            }, "ProcessCloser-output-" + sessionId).start();

            try {
                latch.await(10, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                logger.warn("Interrupted to wait a process.", e);

            if (!p.waitFor(commandTimeout + commandDestroyTimeout, TimeUnit.MILLISECONDS)) {
                logger.warn("Destroying {} because of the process timeout.", getName());
                p.destroy();
            }

            final int exitValue = p.exitValue();
            if (exitValue != 0) {
                logger.warn("{} is failed (exit code:{}, timeout:{}): {}", getName(), exitValue, task.isExecuted(), commandList);
            }

	return &EventNotifier{
		targetList:     event.NewTargetList(ctx),
		bucketRulesMap: make(map[string]event.RulesMap),
	}
}

// GetARNList - returns available ARNs.
func (evnot *EventNotifier) GetARNList() []string {
	arns := []string{}
	if evnot == nil {
		return arns
	}
	region := globalSite.Region()
	for targetID := range evnot.targetList.TargetMap() {
		// httpclient target is part of ListenNotification