if (logger.isTraceEnabled()) {
                                logger.trace(msg);
                            } else if (logger.isDebugEnabled()) {
                                logger.debug(msg);
                            } else if (logger.isWarnEnabled()) {
                                logger.warn(msg);
                            } else if (logger.isErrorEnabled()) {

			logger.FatalIf(storageListDirRPC.RegisterNoInput(gm, server.ListDirHandler, endpoint.Path), "unable to register handler")
			logger.FatalIf(storageReadAllRPC.Register(gm, server.ReadAllHandler, endpoint.Path), "unable to register handler")
			logger.FatalIf(storageWriteAllRPC.Register(gm, server.WriteAllHandler, endpoint.Path), "unable to register handler")

            if (indexResponse.isAcknowledged()) {
                logger.info("Created index: indexName={}", indexName);
                return true;
            }
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to create index: indexName={}", indexName);
            }
        } catch (final Exception e) {
            logger.warn("Index config file not found: path={}", indexConfigFile, e);
        }

 */
@Singleton
@Named
public class DefaultLifecyclePluginAnalyzer implements LifeCyclePluginAnalyzer {

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

    private final Lookup lookup;

    private final DefaultLifecycles defaultLifeCycles;

    @Inject
    public DefaultLifecyclePluginAnalyzer(Lookup lookup, DefaultLifecycles defaultLifeCycles) {
        this.lookup = requireNonNull(lookup);

        } catch (final InvalidQueryException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid query: {}", form.q, e);
            }
            throwValidationError(e.getMessageCode(), this::asListHtml);
        } catch (final ResultOffsetExceededException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid offset: {}", form.offset, e);
            }

 * 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";

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

    /**
     * Do not instantiate.
     */
    protected ResultSetUtil() {
    }

    /**
     * Closes the result set.
     * <p>
     * If {@link ResultSet#close()} throws an exception, an error message is logged. The exception is not rethrown.
     * </p>
     *
     * @param resultSet
     *            The result set

public class ApiAdminAccesstokenAction extends FessApiAdminAction {

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

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

    // ===================================================================================

import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.cli.Logger;

import static java.util.Objects.requireNonNull;

/**
 * System {@link Logger}. Uses provided {@link PrintStream}s or {@link System#err} ones as fallback.
 * This logger is used in case of "early failures" (when no logging may be set up yet).
 */
public class SystemLogger implements Logger {
    private final PrintWriter out;
    private final Level threshold;

import org.apache.maven.project.MavenProject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Utility class to extract {@link MavenProject} from the project graph during the execution phase based on optional or
 * required selectors.
 */
public final class ProjectSelector {
    private static final Logger LOGGER = LoggerFactory.getLogger(ProjectSelector.class);