}
                }
            }
            try (CurlResponse response = ComponentUtil.getCurlHelper().post("/_configsync/flush").execute()) {
                if (response.getHttpStatusCode() == 200) {
                    logger.info("Flushed config files.");
                } else {

        final ZipEntry entry = new ZipEntry(id + "/es_" + v1 + "_" + v2 + ".json");
        try {
            zos.putNextEntry(entry);
            try (CurlResponse response = ComponentUtil.getCurlHelper().get("/_" + v1 + "/" + v2).execute()) {
                CopyUtil.copy(response.getContentAsStream(), zos);
            }
        } catch (final Exception e) {

        final String maxDocs = StringUtil.isNotBlank(fessConfig.getIndexReindexMaxDocs()) ? fessConfig.getIndexReindexMaxDocs() : null;
        try (CurlResponse response = ComponentUtil.getCurlHelper().post("/_reindex").param("refresh", refresh)
                .param("requests_per_second", requestsPerSecond).param("scroll", scroll).param("max_docs", maxDocs)

        final ObjectMapper mapper = new ObjectMapper();
        final AtomicBoolean resetJobs = new AtomicBoolean(false);
        try (CurlResponse response = ComponentUtil.getCurlHelper().post("/_bulk").onConnect((req, con) -> {
            con.setDoOutput(true);
            try (final BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(tempFile)));