}

    public void setUrl_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda) {
        setUrl_Terms("url", opLambda, null);
    }

    public void setUrl_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda, OperatorCall<BsClickLogCA> aggsLambda) {
        setUrl_Terms("url", opLambda, aggsLambda);
    }

    }

    /**
     * Executes a HEAD request for the given URL.
     * @param url The URL to request.
     * @return The ResponseData.
     */
    @Override
    public ResponseData doHead(final String url) {
        try {
            final ResponseData responseData = processRequest(url, false);
            responseData.setMethod(Constants.HEAD_METHOD);
            return responseData;

    private static final long serialVersionUID = 1L;

    /** Resource name key for metadata */
    public static final String RESOURCE_NAME_KEY = "resourceName";

    /** URL key for metadata */
    public static final String URL = "url";

    /** File passwords key for metadata */
    public static final String FILE_PASSWORDS = "file.passwords";

    /** Map containing metadata key-value pairs */

        final String index = fessConfig.getIndexDocumentUpdateIndex();
        final Object url = params.get("url");
        if (url == null) {
            return StringUtil.EMPTY_STRINGS;
        }
        final SearchResponse response = client.prepareSearch(index)
                .setQuery(QueryBuilders.termQuery(fessConfig.getIndexFieldUrl(), url))
                .setFetchSource(false)

     * @throws IOException
     */
    @BeforeEach
    void setUp() throws IOException {
        // Create a real URL instead of mocking to avoid protocol issues
        mockUrl = new URL("http://test.example.com/path");

        // Basic setup for mocks to avoid NullPointerExceptions
        when(mockConnection.getURL()).thenReturn(mockUrl);

        controller.delayBeforeProcessing();
        final long elapsed = (System.nanoTime() - start) / 1000000;

        assertTrue("null URL queue should not cause delay", elapsed < 50);
    }

    /**
     * Test that blank URL is handled gracefully
     */
    public void test_blankUrl() {
        final HostIntervalController controller = new HostIntervalController();

    }

    /**
     * Gets the HTTP URL for the OpenSearch (Fesen) server.
     * First checks for a system-configured search engine address,
     * then falls back to the URL configured in FessConfig.
     *
     * @return the HTTP URL for the OpenSearch server
     */
    public static String getFesenHttpUrl() {
        final String url = SystemUtil.getSearchEngineHttpAddress();
        if (url != null) {
            return url;

        void testParseValidBindingUrls(String url, String expectedProto, String expectedServer, String expectedEndpoint)
                throws DcerpcException {
            // When: Parsing the binding URL
            DcerpcBinding binding = DcerpcHandle.parseBinding(url);

            // Then: Should parse correctly
            assertNotNull(binding);

## FAQ

#### Q. Kibana can't connect Elasticsearch.

A. Please check `${KIBANA_HOME}/config/kibana.yml` and set correct Elasticsearch URL.

Example:
```
# The Elasticsearch instance to use for all your queries.
elasticsearch.url: "http://localhost:9201"
```

#### Q. I imported "fess\_log.ndjson" but no results found.

    PROCESS_CHILD_URLS_BY_EXCEPTION,
    /** Indicates processing a child URL due to an exception. */
    PROCESS_CHILD_URL_BY_EXCEPTION,
    /** Indicates an access exception during crawling. */
    CRAWLING_ACCESS_EXCEPTION,
    /** Indicates a general exception during crawling. */
    CRAWLING_EXCEPTION,
    /** Indicates no URL is available in the queue. */
    NO_URL_IN_QUEUE,