assertEquals("3.0.0", mp.getSince());

        ComponentRequirement cr = md.getRequirements().get(0);

        assertEquals("org.codehaus.plexus.archiver.Archiver", cr.getRole());
        assertEquals("jar", cr.getRoleHint());
        assertEquals("jarArchiver", cr.getFieldName());

        ComponentDependency cd = pd.getDependencies().get(0);

     */
    static final Collection<String> EXPECTED_PROVIDED_SCOPE_EXCLUSIONS_GA =
            Collections.unmodifiableCollection(Arrays.asList(
                    "org.apache.maven:maven-archiver", "org.apache.maven:maven-jxr", "org.apache.maven:plexus-utils"));

    private static final String ISSUES_KEY = DefaultPluginValidationManager.class.getName() + ".issues";

import java.io.BufferedInputStream;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.compress.archivers.ArchiveInputStream;
import org.apache.commons.compress.archivers.ArchiveStreamFactory;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.crawler.entity.ExtractData;

import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.compress.archivers.ArchiveInputStream;
import org.apache.commons.compress.archivers.ArchiveStreamFactory;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.crawler.entity.ExtractData;

            assertTrue("Error message should indicate failure",
                    e.getMessage().contains("Failed to extract") || e.getMessage().contains("No entries could be processed"));
        }
    }

    /**
     * Test that TarExtractor handles invalid archive gracefully.

            });

            // Keep only the specified number of versions
            for (int i = keepVersions; i < archives.size(); i++) {
                removeSessionKey(archives.get(i));
                removed++;
            }
        }

        if (removed > 0) {
            log.info("Cleaned up {} archived key versions", removed);
        }
    }

    private int extractVersion(String archivedKey) {

        String sessionId = "remove-with-archives";
        keyManager.storeSessionKey(sessionId, testKey, "AES");

        // Create archived versions
        for (int i = 0; i < 3; i++) {
            keyManager.rotateSessionKey(sessionId);
        }

        // Verify archives exist
        assertTrue(keyManager.hasSessionKey(sessionId + ".v0"), "Version 0 should exist");

- ✅ Whitespace and empty string handling

---

### 3. ArchiveExtractorErrorHandlingTest.java
**Purpose**: Test improved error handling in archive extractors.

**Key Test Areas**:
- Enhanced error messages
- Partial extraction (continues on failure)
- Invalid archive handling
- Empty archive handling
- Mixed valid/invalid entries

**Covered Extractors**:
- ZipExtractor
- TarExtractor

**Test Count**: 12 tests

import jp.gr.java_conf.dangan.util.lha.LhaFile;
import jp.gr.java_conf.dangan.util.lha.LhaHeader;

/**
 * Extractor implementation for LHA (LZH) archive files.
 * This extractor can extract text content from files within LHA archives
 * by using appropriate extractors for each contained file type.
 *
 * @author shinsuke
 */
public class LhaExtractor extends AbstractExtractor {

var (
	ErrHeader          = errors.New("archive/tar: invalid tar header")
	ErrWriteTooLong    = errors.New("archive/tar: write too long")
	ErrFieldTooLong    = errors.New("archive/tar: header field too long")
	ErrWriteAfterClose = errors.New("archive/tar: write after close")
	ErrInsecurePath    = errors.New("archive/tar: insecure file path")
	errMissData        = errors.New("archive/tar: sparse file references non-existent data")