if (logger.isDebugEnabled()) {
                                logger.debug("Authentication is failed.");
                            }
                            return null;
                        }

                        final List<String> errors = auth.getErrors();
                        if (!errors.isEmpty()) {

 * at runtime. When a MIME type is not found in the mapping, a default value
 * is returned.
 */
public class FileTypeHelper {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FileTypeHelper.class);

    /** Default file type value returned when MIME type is not found in mappings */
    protected String defaultValue = "others";

   * This ISE wouldn't actually bubble up but would get logged by ExecutionQueue. This obfuscated
   * the original error (which was not constructing ServiceManager correctly).
   */
  public void testPartiallyConstructedManager() {
    Logger logger = Logger.getLogger("global");
    logger.setLevel(Level.FINEST);
    TestLogHandler logHandler = new TestLogHandler();
    logger.addHandler(logHandler);

import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;

public class CrawlerStatsHelperTest extends UnitFessTestCase {

    private static final Logger logger = LogManager.getLogger(CrawlerStatsHelperTest.class);

    private CrawlerStatsHelper crawlerStatsHelper;

    private ThreadLocal<String> localLogMsg = new ThreadLocal<>();

    @Override
    public void setUp() throws Exception {

                return null;
            }
            logger.warn("timeToLive is deprecated. Please use time_to_live.");
        }
        try {
            return Integer.parseInt(value);
        } catch (final NumberFormatException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid format: {}", value, e);
            }
        }
        return null;

 * hot threads, which helps identify performance bottlenecks and resource
 * usage issues in the search engine cluster.
 */
public class HotThreadMonitorTarget extends MonitorTarget {
    private static final Logger logger = LogManager.getLogger(HotThreadMonitorTarget.class);

    /**
     * Default constructor for HotThreadMonitorTarget.
     */
    public HotThreadMonitorTarget() {
        super();
    }

    @Override

 *   <li>Logs a warning if an exception occurs during connection monitoring.</li>
 * </ul>
 *
 */
public class HcConnectionMonitorTarget implements TimeoutTarget {
    private static final Logger logger = LogManager.getLogger(HcConnectionMonitorTarget.class);

    private final HttpClientConnectionManager clientConnectionManager;

    /**
     * The timeout duration (in milliseconds) for idle connections.
     */

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.helper.SearchLogHelper;
import org.codelibs.fess.util.ComponentUtil;

/**
 * Job for aggregating and storing search logs.
 * This job processes search logs and stores them in the search log repository.
 */
public class AggregateLogJob {

    private static final Logger logger = LogManager.getLogger(AggregateLogJob.class);

    /**

import org.mockito.junit.jupiter.MockitoExtension;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Base test class providing common test infrastructure and utilities.
 * All test classes should extend this to ensure consistent test setup.
 */
@ExtendWith(MockitoExtension.class)
public abstract class BaseTest {

    protected final Logger logger = LoggerFactory.getLogger(getClass());

    @BeforeEach

    queue.enqueue(THROWING_EVENT, "custom-label");

    Logger logger = Logger.getLogger(ListenerCallQueue.class.getName());
    logger.setLevel(Level.SEVERE);
    TestLogHandler logHandler = new TestLogHandler();
    logger.addHandler(logHandler);
    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }