* The stack trace is abbreviated if it exceeds the configured maximum length.
     *
     * @param t the throwable to extract the stack trace from
     * @return the stack trace as a string, or empty string if extraction fails
     */
    private String getStackTrace(final Throwable t) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

import org.codelibs.fess.util.ComponentUtil;

import jakarta.annotation.PostConstruct;

/**
 * Standard transformer implementation for the Fess search engine.
 * This transformer handles document transformation and content extraction using
 * the standard Fess file transformation process with support for various content types.
 *
 * <p>It extends AbstractFessFileTransformer to provide file-specific transformation

     *
     * @param in the input stream to extract text from
     * @param params additional parameters
     * @return the extracted data
     * @throws ExtractException if extraction fails
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (logger.isDebugEnabled()) {
            logger.debug("Accessing {}", url);
        }

        }
        return false;
    }

    /**
     * Create the parameters for extraction.
     * @param responseData The response data.
     * @param crawlingConfig The crawling configuration.
     * @return The parameters for extraction.
     */
    protected Map<String, String> createExtractParams(final ResponseData responseData, final CrawlingConfig crawlingConfig) {

                throw new ExtractException("Failed to extract content from ZIP archive. No entries could be processed.", e);
            }
            if (logger.isWarnEnabled()) {
                logger.warn("Partial extraction from ZIP archive. Processed: {}, Failed: {}", processedEntries, failedEntries, e);
            }
        }

        return new ExtractData(buf.toString().trim());
    }

    /**

import org.codelibs.fess.crawler.helper.impl.MimeTypeHelperImpl;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for archive extractor error handling improvements.
 * Tests partial extraction, error recovery, and improved error messages.
 */
public class ArchiveExtractorErrorHandlingTest extends PlainTestCase {
    private static final Logger logger = LogManager.getLogger(ArchiveExtractorErrorHandlingTest.class);

                throw new ExtractException("Failed to extract content from TAR archive. No entries could be processed.", e);
            }
            if (logger.isWarnEnabled()) {
                logger.warn("Partial extraction from TAR archive. Processed: {}, Failed: {}", processedEntries, failedEntries, e);
            }
        }

        return buf.toString().trim();
    }

    /**
     * Sets the maximum content size.

    }

    /**
     * Extracts the body text from a MIME message.
     *
     * @param message the MIME message to extract text from
     * @return the extracted body text
     * @throws ExtractException if extraction fails
     */
    protected String getBodyText(final MimeMessage message) {
        final StringBuilder buf = new StringBuilder(1000);
        try {
            final Object content = message.getContent();

 * {@link CrawlerContainer}. It also provides a convenient method for
 * registering the extractor with the {@link ExtractorFactory}.
 * </p>
 *
 * <p>
 * Subclasses should implement the actual extraction logic in their own
 * methods, leveraging the helper methods provided by this abstract class.
 * </p>
 *
 */
public abstract class AbstractExtractor implements Extractor {

    /** The crawler container. */

/**
 * Tests Artifact extraction, computation, and parent resolution functionality.
 */
@DisplayName("GAVUtils")
class GAVUtilsTest {

    @BeforeEach
    void setUp() {}

    private UpgradeContext createMockContext() {
        return TestUtils.createMockContext();
    }

    @Nested
    @DisplayName("Artifact Extraction")
    class GAVExtractionTests {

        @Test