customizable.
	</dd>
	<dt>Sort</dt>
	<dd>
		sort field sorts documents by a specified field name. The format is
		"sort:&lt;field&gt;.&lt;order&gt;", where &lt;order&gt; is asc or
		desc. If you want to find documents which has "Fess" and sort them in
		descending order, you can enter:
		<pre>Fess sort:content_length.desc</pre>
		The available sort field are "created", "content_length" and

        }
        return null;
    }

    /**
     * Gets the sort prefix used for identifying sort parameters in search queries.
     *
     * @return the sortPrefix
     */
    public String getSortPrefix() {
        return sortPrefix;
    }

    /**
     * Sets the sort prefix used for identifying sort parameters in search queries.
     *
     * @param sortPrefix the sortPrefix to set

            sort = fessConfig.getQueryFacetFieldsSort();
        }
        if (StringUtil.isNotBlank(fessConfig.getQueryFacetFieldsMissing())) {
            missing = fessConfig.getQueryFacetFieldsMissing();
        }
    }

    /**
     * Converts the sort string into a BucketOrder object for OpenSearch aggregations.

     */
    public String q;

    /**
     * The number of search results per page for error page display.
     */
    public String num;

    /**
     * The sort criteria for search results for error page display.
     */
    public String sort;

    /**
     * The language setting for error page display.
     */
    public String lang;

    /**
     * Additional search fields for error page display.

        out.print("<a class=\"sort\" style=\"width: " + maxLen + ";\" href=\"?fmt=detail&sort=name\">Name</a>");
        out.println("<a class=\"sort\" href=\"?fmt=detail&sort=size\">Size</a>");
        out.println("<a class=\"sort\" href=\"?fmt=detail&sort=type\">Type</a>");
        out.println("<a class=\"sort\" style=\"width: 180\" href=\"?fmt=detail&sort=date\">Modified</a><br clear='all'><p>");

        return ComponentUtil.getQueryProcessor();
    }

    /**
     * Creates a sort builder for the specified field and order.
     * @param field The field name to sort by.
     * @param order The sort order (ascending or descending).
     * @return The appropriate sort builder for the field.
     */
    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {

     */
    @Test
    public void testErrorMessage_ja() throws Exception {
        // ## Arrange ##
        Locale.setDefault(Locale.JAPANESE);
        final SQLException sqlException = new SQLException("some reason", "fooState", 7650);
        final SQLException sqlException2 = new SQLException("hoge reason", "barState", 7660);
        final SQLException sqlException3 = new SQLException("fuga reason", "bazState", 7670);

    }

    /**
     * Checks if the specified sort value is valid for facet sorting.
     *
     * @param sort the sort value to check
     * @return true if the sort value is valid for facets ("count" or "index"), false otherwise
     */
    public boolean isFacetSortValue(final String sort) {
        return "count".equals(sort) || "index".equals(sort);
    }

    /**

		<pre>title:Fess</pre>
		기본으로 사용 가능한 필드는 url, host, site, title content,
		content_length, last_modified 및 mimetype입니다.
		설정에서 지정하는 필드는 변경할 수 있습니다.
	</dd>
	<dt>정렬</dt>
	<dd>
		sort 연산자는 지정된 필드 이름으로 문서를 정렬합니다.
		sort 연산자의 사용 방법은 sort:&lt;field&gt;.&lt;order&gt;입니다.
		&lt;order&gt; 는 asc 또는 desc 오름차순 · 내림차순을 지정할 수 있습니다.
		예를 들어, Fess를 포함한 문서 크기의 내림차순으로 정렬하려면 다음과 같이 입력합니다.
		<pre>Fess sort:content_length.desc</pre>

        if (StringUtil.isNotBlank(minDocCountStr)) {
            facetInfo.minDocCount = Long.parseLong(minDocCountStr);
        }
        final String sort = request.getParameter("facet.sort");
        if (StringUtil.isNotBlank(sort)) {
            facetInfo.sort = sort;
        }
        final String missing = request.getParameter("facet.missing");
        if (StringUtil.isNotBlank(missing)) {