CrawlerSystemException exception3 = new CrawlerSystemException(runtimeCause);
        assertSame(runtimeCause, exception3.getCause());

        // With another CrawlerSystemException cause
        CrawlerSystemException crawlerCause = new CrawlerSystemException("Crawler cause");
        CrawlerSystemException exception4 = new CrawlerSystemException(crawlerCause);

            controller.delay(IntervalController.PRE_PROCESSING);
            fail("Expected CrawlerSystemException to be thrown");
        } catch (final CrawlerSystemException e) {
            // Expected
            assertEquals("Test CrawlerSystemException", e.getMessage());
        }
    }

    /**
     * Test CrawlerSystemException is ignored when ignoreException = true
     */

import org.codelibs.fess.crawler.entity.AccessResultData;
import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.entity.ResultData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;

/**
 * <p>
 * FileTransformer stores the content of a crawled resource as a file on the file system.
 * It extends HtmlTransformer and provides functionality to:
 * </p>
 * <ul>

            resultData.removeUrl(requestData);
            resultData.removeUrl(getDuplicateUrl(requestData));
        } catch (final CrawlerSystemException e) {
            throw e;
        } catch (final Exception e) {
            throw new CrawlerSystemException("Could not store data.", e);
        }
    }

    /**
     * Gets the child URL extraction rules as a stream of tag-attribute pairs.
     *

    }

    /**
     * Initializes the extractor by starting the office manager.
     *
     * @throws CrawlerSystemException if the office manager is null or fails to start
     */
    @PostConstruct
    public void init() {
        if (officeManager == null) {
            throw new CrawlerSystemException("officeManager is null.");
        }
        try {
            officeManager.start();

import java.util.regex.Pattern;

import javax.xml.xpath.XPathNodes;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.crawler.entity.ExtractData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.ExtractException;
import org.codelibs.fess.crawler.util.XPathAPI;
import org.codelibs.nekohtml.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.Node;

     *
     * @param uri the URI to preprocess
     * @return the preprocessed URI
     * @throws CrawlerSystemException if the URI is empty
     */
    protected String preprocessUri(final String uri) {
        if (StringUtil.isEmpty(uri)) {
            throw new CrawlerSystemException("File system URI is empty. Please provide a valid file path or file:// URI.");
        }

        String filePath = uri;

        ResponseData responseData = new ResponseData();

        try {
            transformer.transform(responseData);
            fail("Should throw CrawlerSystemException");
        } catch (CrawlerSystemException e) {
            assertEquals("Transform exception", e.getMessage());
        }
    }

    /**
     * Test exception handling in getData
     */

     */
    public void test_ZipExtractor_nullInputStream_throwsWithMessage() {
        try {
            zipExtractor.getText(null, null);
            fail("Expected CrawlerSystemException");
        } catch (final CrawlerSystemException e) {
            assertEquals("The inputstream is null.", e.getMessage());
        }
    }

    /**
     * Test that TarExtractor handles null input stream with appropriate error message.

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.fess.crawler.Constants;
import org.codelibs.fess.crawler.entity.ExtractData;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.ExecutionTimeoutException;
import org.codelibs.fess.crawler.exception.ExtractException;

/**
 * Extracts text content by executing an external command.
 */