logger.warn("No target urls. Skipped");
                break;
            }

            // interval time
            final int intervalTime =
                    webConfig.getIntervalTime() != null ? webConfig.getIntervalTime() : Constants.DEFAULT_INTERVAL_TIME_FOR_WEB;
            ((FessIntervalController) crawler.getIntervalController()).setDelayMillisForWaitingNewUrl(intervalTime);

    }

    public void setIncludedUrls(String value) {
        registerModifiedProperty("includedUrls");
        this.includedUrls = value;
    }

    public Integer getIntervalTime() {
        checkSpecifiedProperty("intervalTime");
        return intervalTime;
    }

    public void setIntervalTime(Integer value) {
        registerModifiedProperty("intervalTime");

    }

    public void setIncludedPaths(String value) {
        registerModifiedProperty("includedPaths");
        this.includedPaths = value;
    }

    public Integer getIntervalTime() {
        checkSpecifiedProperty("intervalTime");
        return intervalTime;
    }

    public void setIntervalTime(Integer value) {
        registerModifiedProperty("intervalTime");

        setupEpg(_epgMap, et -> ((WebConfig) et).getIncludedUrls(), (et, vl) -> ((WebConfig) et).setIncludedUrls(DfTypeUtil.toString(vl)),
                "includedUrls");
        setupEpg(_epgMap, et -> ((WebConfig) et).getIntervalTime(), (et, vl) -> ((WebConfig) et).setIntervalTime(DfTypeUtil.toInteger(vl)),
                "intervalTime");

        setupEpg(_epgMap, et -> ((FileConfig) et).getIncludedPaths(),
                (et, vl) -> ((FileConfig) et).setIncludedPaths(DfTypeUtil.toString(vl)), "includedPaths");
        setupEpg(_epgMap, et -> ((FileConfig) et).getIntervalTime(),
                (et, vl) -> ((FileConfig) et).setIntervalTime(DfTypeUtil.toInteger(vl)), "intervalTime");
        setupEpg(_epgMap, et -> ((FileConfig) et).getMaxAccessCount(),