String message1 = "Test with suppression enabled";
        CrawlerSystemException exception1 = constructor.newInstance(message1, true, true);
        assertNotNull(exception1);
        assertEquals(message1, exception1.getMessage());
        assertNull(exception1.getCause());

        // Test with suppression disabled and writable stack trace

            throw new CrawlerSystemException("Failed to start officeManager.", e);
        }
        if (logger.isDebugEnabled()) {
            logger.debug(officeManager.getClass().getSimpleName() + " is started.");
        }
    }

    /**
     * Destroys the extractor by stopping the office manager.
     *
     * @throws CrawlerSystemException if the office manager fails to stop
     */
    @PreDestroy

   3. Grant of Patent License. Subject to the terms and conditions of
      this License, each Contributor hereby grants to You a perpetual,
      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      (except as stated in this section) patent license to make, have made,
      use, offer to sell, sell, import, and otherwise transfer the Work,
      where such license applies only to those patent claims licensable

- **Rate Limiting**: Politeness policies and interval controllers
- **URL Filtering**: Regex-based inclusion/exclusion patterns
- **Data Persistence**: Multiple backend options including OpenSearch integration

## Technology Stack

- **Java**: 21+ (requires Java 21 or higher)
- **Build System**: Maven 3.x
- **DI Container**: LastaFlute DI
- **HTTP Client**: Apache HttpComponents
- **Content Extraction**: Apache Tika, Apache POI, PDFBox

   3. Grant of Patent License. Subject to the terms and conditions of
      this License, each Contributor hereby grants to You a perpetual,
      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      (except as stated in this section) patent license to make, have made,
      use, offer to sell, sell, import, and otherwise transfer the Work,
      where such license applies only to those patent claims licensable

                        "-g", "log level = 3");
        logger.info("Starting Samba container with image {}", IMAGE_NAME);
        sambaServer.start();
        logger.info("Samba container started");

        String host = sambaServer.getContainerIpAddress();
        Integer port = sambaServer.getMappedPort(445);
        baseUrl = "smb://" + host + ":" + port + "/users/";
        logger.info("Base URL: {}", baseUrl);

    protected boolean daemon = false;

    /**
     * Priority for crawler threads.
     */
    protected int threadPriority = Thread.NORM_PRIORITY;

    /**
     * Reference to the parent thread that started the crawler.
     */
    protected Thread parentThread;

    /**
     * The thread group for crawler threads.
     */
    protected ThreadGroup crawlerThreadGroup;

    /**

                        .forPort(port)//
                        .withStartupTimeout(Duration.ofSeconds(30)));
        logger.info("Starting {}", IMAGE_NAME);
        minioServer.start();
        logger.info("Started {}", IMAGE_NAME);

        String bucketName = "fess";
        Integer mappedPort = minioServer.getFirstMappedPort();
        Testcontainers.exposeHostPorts(mappedPort);

- **Index Management**: Automatic index creation, switching, and maintenance
- **Customizable Scoring**: User boost, document frequency, and query frequency weighting

## Technology Stack

- **Java**: 21+ (configured via parent POM)
- **OpenSearch**: Latest (provided scope)
- **Apache Lucene**: Query parsing and text analysis
- **ICU4J**: Unicode text processing and normalization