storeChildUrls(childUrlSet, urlQueue.getUrl(), urlQueue.getDepth() == null ? 1 : urlQueue.getDepth() + 1);
                        } catch (final Exception e1) {
                            log(logHelper, LogType.CRAWLING_EXCEPTION, crawlerContext, urlQueue, e1);
                        }
                        if (noWaitOnFolder) {
                            continue;
                        }

            return ftpClient;
        } catch (final IOException e) {
            if (ftpClient != null) {
                try {
                    ftpClient.disconnect();
                } catch (final Exception e1) {
                    logger.debug("Failed to disconnect {}", info.toUrl(), e);
                }
            }
            throw e;
        }
    }

    /**