* @return {@link Logger}
     */
    public static synchronized Logger getLogger(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);

        if (!initialized) {
            initialize();
        }
        Logger logger = loggers.get(clazz);
        if (logger == null) {
            logger = new Logger(clazz);
            loggers.put(clazz, logger);
        }

// Package logger provides a logger interface and its implementation for GORM.
package logger

import (
	"context"
	"errors"
	"fmt"
	"io"
	"log"
	"os"
	"time"

	"gorm.io/gorm/utils"
)

// ErrRecordNotFound record not found error
var ErrRecordNotFound = errors.New("record not found")

// Colors
const (
	Reset       = "\033[0m"
	Red         = "\033[31m"
	Green       = "\033[32m"
	Yellow      = "\033[33m"

			<AppenderRef ref="LogNotification" />
		</Logger>
		<Logger name="org.opensearch.bootstrap" additivity="false" level="error">
			<AppenderRef ref="AppFile" />
		</Logger>
		<Logger name="com.onelogin.saml2" level="off"/>
		<Logger name="org.codelibs.fess.llm" additivity="false" level="${llm.log.level}">
			<AppenderRef ref="LlmFile" />
		</Logger>

	</Appenders>

	<Loggers>
		<Logger name="org.codelibs" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
			<AppenderRef ref="LogNotification" />
		</Logger>
		<Logger name="org.dbflute" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
			<AppenderRef ref="LogNotification" />
		</Logger>
		<Logger name="org.lastaflute" additivity="false" level="${log.level}">

        assertNotNull(logger);

        // Verify logger is of the expected type
        assertTrue(logger instanceof org.apache.logging.log4j.Logger);
    }

    // Test concurrent execution of hook method
    @Test
    public void test_hook_concurrentExecution() throws Exception {
        final FwAssistantDirector assistantDirector = createMockAssistantDirector();
        final int threadCount = 10;

    // You could also apply it higher up the Logger hierarchy than this
    ExampleClassUnderTest.logger.addHandler(handler);

    ExampleClassUnderTest.logger.setUseParentHandlers(false); // optional

    stack.addTearDown(
        () -> {
          ExampleClassUnderTest.logger.setUseParentHandlers(true);
          ExampleClassUnderTest.logger.removeHandler(handler);
        });
  }

                task = jobHelper.startMonitorTask(jobLog);
            }

            if (logger.isDebugEnabled()) {
                logger.debug("Starting job: id={}, scriptType={}, script={}", id, scriptType, script);
            } else if (scheduledJob.isLoggingEnabled() && logger.isInfoEnabled()) {
                logger.info("Starting job: id={}", id);
            }

import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;
import org.jspecify.annotations.NullUnmarked;

/**
 * Utilities for performing thread interruption in tests
 *
 * @author Kevin Bourrillion
 * @author Chris Povirk
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
final class InterruptionUtil {
  private static final Logger logger = Logger.getLogger(InterruptionUtil.class.getName());

            consecutiveFailures = 0;
            if (logger.isDebugEnabled()) {
                logger.debug("Search Engine CPU: {}%", maxCpu);
            }
        } catch (final Exception e) {
            systemHelper.setSearchEngineCpuPercent((short) 0);
            consecutiveFailures++;
            if (consecutiveFailures <= 3) {
                logger.warn("Failed to get search engine CPU stats.", e);

public class LogNotificationTarget implements TimeoutTarget {

    /**
     * Default constructor.
     */
    public LogNotificationTarget() {
        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(LogNotificationTarget.class);
    private static final String NOTIFICATION_QUEUE_INDEX = "fess_log.notification_queue";
    private static final int BATCH_SIZE = 100;