final Set<String> fieldSet = ComponentUtil.getFessConfig().getApiPingEsFieldSet();
        try (OutputStream out = SearchEngineUtil.getXContentBuilderOutputStream((builder, params) -> {
            builder.startObject();
            if (fieldSet.contains(CLUSTER_NAME)) {
                builder.field(CLUSTER_NAME, response.getClusterName());
            }
            if (fieldSet.contains(STATUS)) {

						</la:info>
						<la:errors header="errors.front_header"
							footer="errors.front_footer" prefix="errors.front_prefix"
							suffix="errors.front_suffix" />
					</div>
					<fieldset>
						<legend><la:message key="labels.search" /></legend>
						<div class="clearfix">
							<div class="mx-auto col-10 col-sm-8 col-md-8 col-lg-6">
								<la:text styleClass="query form-control center-block"

			</c:forEach>
		</la:select>
	</fieldset>
	<c:if test="${displayLabelTypeItems}">
		<fieldset class="form-group">
			<legend><la:message key="labels.index_label" /></legend>
			<label for="contentLabelType"><la:message
					key="labels.index_label" /></label>
			<la:select property="fields.label" styleId="labelTypeSearchOption"
				multiple="true" styleClass="form-control">

			</c:forEach>
		</la:select>
	</fieldset>
	<c:if test="${displayLabelTypeItems}">
		<fieldset class="form-group">
			<legend><la:message key="labels.index_label" /></legend>
			<label for="contentLabelType"><la:message
					key="labels.index_label" /></label>
			<la:select property="fields.label" styleId="labelTypeSearchOption"
				multiple="true" styleClass="form-control">

        String[] fields = (String[]) propMap.get(LOGGING_SEARCH_DOCS_FIELDS);
        if (fields == null) {
            fields = split(getLoggingSearchDocsFields(), ",").get(stream -> stream.map(String::trim).toArray(n -> new String[n]));
            propMap.put(LOGGING_SEARCH_DOCS_FIELDS, fields);
        }
        return fields;
    }

    String getSchedulerTargetName();

						</la:info>
						<la:errors header="errors.front_header"
							footer="errors.front_footer" prefix="errors.front_prefix"
							suffix="errors.front_suffix" />
					</div>
					<fieldset>
						<legend><la:message key="labels.search" /></legend>
						<div class="clearfix">
							<div class="mx-auto col-10 col-sm-8 col-md-8 col-lg-6">
								<la:text styleClass="query form-control center-block"

        final StringBuilder buf = new StringBuilder(100);
        buf.append(form.q);
        if (!form.fields.isEmpty() && form.fields.containsKey(LABEL_FIELD)) {
            final String[] values = form.fields.get(LABEL_FIELD);
            final List<String> labelList = new ArrayList<>();
            if (values != null) {
                Collections.addAll(labelList, values);

        final String[] fields = getParamValueArray(request, "facet.field");
        final String[] queries = getParamValueArray(request, "facet.query");
        if (fields.length == 0 && queries.length == 0) {
            return null;
        }
        final FacetInfo facetInfo = new FacetInfo();
        facetInfo.field = fields;
        facetInfo.query = queries;

		":" and then the term you are looking for. If you want to find
		documents which has "Fess" as the document title, you can enter:
		<pre>title:Fess</pre>
		The available fields are "url", "host", "site", "title", "content",
		"content_length", "last_modified" and "mimetype", and they are
		customizable.
	</dd>
	<dt>Sort</dt>
	<dd>

    @Required
    public String queryId;

    // for error page

    public String q;

    public String num;

    public String sort;

    public String lang;

    public Map<String, String[]> fields = new HashMap<>();