if (this.dcList[i] != null) {
                    try {
                        return interrogate(getTransportContext(), this.dcList[i]);
                    } catch (final SmbException se) {
                        log.warn("Failed validate DC: " + this.dcList[i], se);
                    }
                    this.dcList[i] = null;
                }
            }

     *
     * @param searchEngineClient the search engine client to use for indexing
     * @param docList the list of documents to be indexed
     * @throws SearchEngineClientException if the bulk indexing operation fails
     */
    public void sendDocuments(final SearchEngineClient searchEngineClient, final DocList docList) {
        if (docList.isEmpty()) {
            return;
        }

        synchronized (docList) {
            docList.add(ingest(paramMap, dataMap));
            final long contentSize = indexingHelper.calculateDocumentSize(dataMap);
            docList.addContentSize(contentSize);
            final long processingTime = systemHelper.getCurrentTimeAsLong() - startTime;
            docList.addProcessingTime(processingTime);
            if (logger.isDebugEnabled()) {

                                MemoryUtil.byteCountToDisplaySize(contentSize), processingTime, docList.size(), docList.getContentSize());
                    }

                    if (docList.getContentSize() >= maxDocumentRequestSize) {
                        indexingHelper.sendDocuments(searchEngineClient, docList);
                    }
                    documentSize++;
                    if (logger.isDebugEnabled()) {

                    }
                }

                final int max = Math.min(dc_list.length, LOOKUP_RESP_LIMIT);
                for (int j = 0; j < max; j++) {
                    final int i = dc_list_counter++ % max;
                    if (dc_list[i] != null) {
                        try {
                            return interrogate(dc_list[i]);
                        } catch (final SmbException se) {

        final List<Map<String, Object>> docList =
                indexingHelper.getChildDocumentList(searchEngineClient, id, new String[] { fessConfig.getIndexFieldUrl() });
        if (docList.isEmpty()) {
            return null;
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Found documents: {}", docList);
        }

                    docList.addAll(keyMatchHelper.getBoostedDocumentList(entity));
                }).orElse(() -> {
                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml);
                });
            });
        }).renderWith(data -> {
            data.register("docs", docList);
        });
    }

            final List<Map<String, Object>> docList = results[searcherIndex].getDocumentList();
            if (logger.isDebugEnabled()) {
                logger.debug("Searcher[{}]: retrieved {} documents / {} total documents", searcherIndex, docList.size(),
                        results[searcherIndex].getAllRecordCount());
            }
            for (int docRank = 0; docRank < docList.size(); docRank++) {