final StringBuilder buf = new StringBuilder(50);
        for (int i = 0; i < docid.length(); i += splitSize) {
            int hash = docid.substring(i).hashCode() % splitHashSize;
            if (hash < 0) {
                hash *= -1;
            }
            buf.append('_').append(Integer.toString(hash)).append('/');
        }
        buf.append(docid).append('.').append(imageExtention);

        try {
            doc = searchHelper
                    .getDocumentByDocId(form.docId, new String[] { fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldConfigId() },
                            getUserBean())
                    .orElse(null);
        } catch (final Exception e) {
            logger.warn("Failed to request: {}", form.docId, e);
        }
        if (doc == null) {

                                    final String docId = DocumentUtil.getValue(doc, fessConfig.getIndexFieldDocId(), String.class);
                                    if (id != null && docId != null && clickCountMap.containsKey(docId)) {
                                        final Integer count = clickCountMap.get(docId);
                                        final Script script = ComponentUtil.getLanguageHelper()

            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            final String docId;
            if (form.doc != null) {
                docId = (String) form.doc.get(fessConfig.getIndexFieldDocId());
            } else {
                docId = null;
            }
            if (StringUtil.isNotBlank(docId)) {
                return searchEngineClient.getDocument(fessConfig.getIndexDocumentUpdateIndex(), builder -> {

                                                    </button>
                                                    <input type="hidden" name="docId" id="docId"/>
                                                    <button type="submit" class="btn btn-outline-light"
                                                            name="delete"

            final Object docIdObj = request.getAttribute(DOC_ID_FIELD);
            if (docIdObj == null) {
                throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "docId is empty.");
            }
            final String docId = docIdObj.toString();
            final String queryId = request.getParameter("queryId");

							data-order="${s.index}"
						> <img src="${fe:url('/images/blank.png')}" alt="thumbnail"
							data-src="${fe:url('/thumbnail/')}?docId=${f:u(doc.doc_id)}&queryId=${f:u(queryId)}" class="thumbnail"
						>
						</a>
					</div>
					</c:if>
					<div class="description">${doc.content_description}</div>
				</div>
				<div class="site text-truncate">

                    }
                    return DocumentUtil.getValue(doc, fessConfig.getIndexFieldDocId(), String.class);
                }).forEach(docId -> {
                    boolQuery.should(QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId));
                });

                if (boolQuery.hasClauses()) {
                    if (logger.isDebugEnabled()) {

     *
     * @param docId The document ID to retrieve
     * @param fields Array of field names to include in the result
     * @param userBean Optional user information for permission checking
     * @return Optional entity containing the document data if found
     */
    public OptionalEntity<Map<String, Object>> getDocumentByDocId(final String docId, final String[] fields,

        if (configId == null) {
            final String docId = DocumentUtil.getValue(doc, fessConfig.getIndexFieldId(), String.class);
            throw new FessSystemException("configId is null in document. docId: " + docId);
        }
        if (configId.length() < 2) {