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

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

    stack.addTearDown(
        new TearDown() {
          @Override
          public void tearDown() throws Exception {
            ExampleClassUnderTest.logger.setUseParentHandlers(true);

 */
public class PingSearchEngineJob {

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

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

    /**
     * Executes the ping job.
     *
     * @return the execution result
     */
    public String execute() {

import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import org.codehaus.plexus.logging.Logger;

/**
 * DefaultProfileManager
 */
@Deprecated
public class DefaultProfileManager implements ProfileManager {

    @Inject
    private Logger logger;

    @Inject
    private ProfileSelector profileSelector;

    private List<String> activatedIds = new ArrayList<>();

 * This job executes the ThumbnailGenerator process as a separate JVM process
 * to create thumbnail images for supported document types.
 */
public class GenerateThumbnailJob extends ExecJob {
    /** Logger for this class. */
    static final Logger logger = LogManager.getLogger(GenerateThumbnailJob.class);

    /** Number of threads to use for thumbnail generation. */
    protected int numOfThreads = 1;

	// Storage class configuration
	StorageClass storageclass.Config `json:"storageclass"`

	// Notification queue configuration.
	Notify notify.Config `json:"notify"`

	// Logger configuration
	Logger logger.Config `json:"logger"`

	// Compression configuration
	Compression compress.Config `json:"compress"`

	// OpenID configuration
	OpenID openid.Config `json:"openid"`

	// External policy enforcements.

import org.opensearch.script.Script;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for language detection.
 */
public class LanguageHelper {
    private static final Logger logger = LogManager.getLogger(LanguageHelper.class);

    /** An array of language fields. */
    protected String[] langFields;

    /** An array of supported languages. */
    protected String[] supportedLanguages;

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

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

 * including automatic generation of file type facets and custom query mappings.
 */
public class FacetQueryView {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FacetQueryView.class);

    /** Title for this facet query view */
    protected String title;

    /** Map of display keys to their corresponding query strings */

            return stacktraceString.get();
        }

        final String errorCode = UUID.randomUUID().toString();
        if (logger.isDebugEnabled()) {
            logger.debug("[{}] {}", errorCode, stacktraceString.get().replace("\n", "\\n"));
        } else {
            logger.warn("[{}] {}", errorCode, cause.getMessage());
        }
        return "error_code:" + errorCode;
    }

 * based on crawling configuration parameters.
 */
public class FessUrlQueueService extends OpenSearchUrlQueueService {

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

    /** Configuration value for sequential URL processing order */
    protected static final String ORDER_SEQUENTIAL = "sequential";