final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        warnAppender.append(event);

        final List<LogNotificationEvent> events = ComponentUtil.getLogNotificationHelper().drainAll();
        assertEquals(1, events.size());
        assertEquals("WARN", events.get(0).getLevel());

        }
    }

    /**
     * Outputs WARN information.
     *
     * @param message
     *            Message
     * @param throwable
     *            Exception
     */
    public void warn(final Object message, final Throwable throwable) {
        log.warn(toString(message), throwable);
    }

    /**
     * Outputs WARN information.
     *
     * @param message

        events.add(new LogNotificationEvent(timestamp, "WARN", "org.test", "warn msg", null));

        String details = testableJob.testFormatDetails(events);

        assertTrue(details.contains("ERROR"));
        assertTrue(details.contains("WARN"));
        assertTrue(details.contains("error msg"));
        assertTrue(details.contains("warn msg"));
    }

    @Test

            } catch (RepositoryMetadataReadException e) {
                if (getLogger().isDebugEnabled()) {
                    getLogger().warn(e.getMessage(), e);
                } else {
                    getLogger().warn(e.getMessage());
                }
                return setRepository;
            }

            if (repoMetadata.isSnapshot() && (previousMetadata != null)) {

            if (!Arrays.asList("warn", "warning", "error").contains(c)) {
                context.parsingFailed = true;
                context.parserRequest
                        .logger()
                        .error("Invalid fail on severity threshold '" + c
                                + "'. Supported values are 'WARN', 'WARNING' and 'ERROR'.");
            }
        });

        @Override
        public Thread getOwner() {
            return super.getOwner();
        }
    }

    private static void warn(String msg) {
        for (String s : MultilineMessageHelper.format(msg)) {
            LOGGER.warn(s);
        }
    }

    private void doExecute(MavenSession session, MojoExecution mojoExecution, DependencyContext dependencyContext)

    ReentrantLock lockD = otherFactory.newReentrantLock("LockD");

    // lockD -> lockA
    lockD.lock();
    lockA.lock();
    lockA.unlock();
    lockD.unlock();

    // lockA -> lockD should warn but otherwise succeed because lockD was
    // created by a factory with the WARN policy.
    lockA.lock();
    lockD.lock();
  }

    ReentrantLock lockD = otherFactory.newReentrantLock("LockD");

    // lockD -> lockA
    lockD.lock();
    lockA.lock();
    lockA.unlock();
    lockD.unlock();

    // lockA -> lockD should warn but otherwise succeed because lockD was
    // created by a factory with the WARN policy.
    lockA.lock();
    lockD.lock();
  }

    }

    /**
     * Safely registers a class with Kryo, logging any registration failures at WARN level.
     * <p>
     * This method catches exceptions for individual class registrations to ensure
     * that a failure to register one class doesn't prevent other classes from being registered.
     * Registration failures are logged at WARN level since they may cause serialization errors later.
     * </p>
     *

    public static final String MAVEN_LOGGER_LEVEL_IN_BRACKETS = MAVEN_LOGGER_PREFIX + "levelInBrackets";

    /**
     * The string value output for the warn level. Defaults to WARN.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "WARN")
    public static final String MAVEN_LOGGER_WARN_LEVEL = MAVEN_LOGGER_PREFIX + "warnLevelString";

    /**