Java Code Examples for org.apache.logging.log4j.core.config.Configuration#addLogger()

private static Logger configureLog4j() {
    LoggerContext context = (LoggerContext) LogManager.getContext();
    Configuration config = context.getConfiguration();

    PatternLayout layout = PatternLayout.createLayout("%m%n", null, null, Charset.defaultCharset(), false, false, null, null);
    Appender appender = ConsoleAppender.createAppender(layout, null, null, "CONSOLE_APPENDER", null, null);
    appender.start();
    AppenderRef ref = AppenderRef.createAppenderRef("CONSOLE_APPENDER", null, null);
    AppenderRef[] refs = new AppenderRef[]{ref};
    LoggerConfig loggerConfig = LoggerConfig.createLogger("false", Level.INFO, "CONSOLE_LOGGER", "com", refs, null, null, null);
    loggerConfig.addAppender(appender, null, null);

    config.addAppender(appender);
    config.addLogger("Main.class", loggerConfig);
    context.updateLoggers(config);
    return LogManager.getContext().getLogger("Main.class");
}
 

@Test
void noDuplicateLoggingCountWhenMultipleNonAdditiveLoggersShareConfig() {
    LoggerContext loggerContext = new LoggerContext("test");

    LoggerConfig loggerConfig = new LoggerConfig("com.test", Level.INFO, false);
    Configuration configuration = loggerContext.getConfiguration();
    configuration.addLogger("com.test", loggerConfig);
    loggerContext.setConfiguration(configuration);
    loggerContext.updateLoggers();

    Logger logger1 = loggerContext.getLogger("com.test.log1");
    loggerContext.getLogger("com.test.log2");

    new Log4j2Metrics(emptyList(), loggerContext).bindTo(registry);

    assertThat(registry.get("log4j2.events").tags("level", "info").counter().count()).isEqualTo(0);
    logger1.info("Hello, world!");
    assertThat(registry.get("log4j2.events").tags("level", "info").counter().count()).isEqualTo(1);
}
 

@Test
public void testProgrammaticConfig() {
    LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    Configuration config = ctx.getConfiguration();

    PatternLayout layout = PatternLayout.newBuilder().withConfiguration(config).withPattern("%d{HH:mm:ss.SSS} %level %msg%n").build();

    Appender appender = FileAppender.newBuilder().setConfiguration(config).withName("programmaticFileAppender").withLayout(layout).withFileName("java.log").build();
    appender.start();
    config.addAppender(appender);
    AppenderRef ref = AppenderRef.createAppenderRef("programmaticFileAppender", null, null);
    AppenderRef[] refs = new AppenderRef[] { ref };

    LoggerConfig loggerConfig = LoggerConfig.createLogger(false, Level.INFO, "programmaticLogger", "true", refs, null, config, null);

    loggerConfig.addAppender(appender, null, null);
    config.addLogger("programmaticLogger", loggerConfig);
    ctx.updateLoggers();

    Logger pLogger = LogManager.getLogger("programmaticLogger");
    pLogger.info("Programmatic Logger Message");
}
 

/**
 * <p>
 * This method loads the required properties into log4j for the logger
 * </p>
 * 
 * @param logFileDir
 *            Log file directory
 * @param taskAttemptID
 *            The task attempt id
 * 
 * @throws IOException
 *             If any error occurs
 * @throws URISyntaxException
 * @throws SAXException
 * @throws ParserConfigurationException
 * @throws TransformerException
 */
public static void loadLogger(String logFileDir, String taskAttemptID) throws IOException, URISyntaxException, ParserConfigurationException,
		SAXException, TransformerException {
    LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    ctx.reconfigure();
       Configuration config = ctx.getConfiguration();
       MemoryMappedFileAppender memoryMappedfileAppender = createMemoryMappedFileAppender(config, LOG_APPENDER_NAME + taskAttemptID, logFileDir, taskAttemptID, 0);
       memoryMappedfileAppender.start();
    AppenderRef[] ar = new AppenderRef [1];
       ar[0] = AppenderRef.createAppenderRef(LOG_APPENDER_NAME + taskAttemptID , Level.INFO, null);
       LoggerConfig lgf = LoggerConfig.createLogger("false",Level.INFO , LOG_CATEGORY + taskAttemptID , null, ar, null, config, null);
       config.addLogger(LOG_CATEGORY + taskAttemptID, lgf);
       ctx.getLogger(LOG_CATEGORY + taskAttemptID).addAppender(memoryMappedfileAppender);
       ctx.updateLoggers();
       ctx.start();
	mapReduceLoggers = new ArrayList<Logger>(1);
	mapReduceLoggers.add(LogManager.getLogger(LOG_CATEGORY + taskAttemptID));
	LOG.debug("Finished loading logger");

}
 

public static void configureLogger() {
    LoggerContext context = (LoggerContext) LogManager.getContext(false);
    Configuration config = context.getConfiguration();

    Map<String, ESLogger> loggers = Maps.newConcurrentHashMap();
    Appender appender = new AbstractAppender("", null, null) {
        @Override
        public void append(LogEvent event) {
            String name = event.getLoggerName();
            ESLogger logger = loggers.computeIfAbsent(name, key -> new ESLogger(key, null, (LoggerImpl) LoggerFactory.getLogger(key)));
            logger.log(event.getLevel(), event.getMarker(), event.getMessage(), event.getThrown());
        }
    };
    appender.start();
    config.addAppender(appender);

    var loggerConfig = new LoggerConfig("", Level.INFO, false); // only enable info and higher level
    loggerConfig.addAppender(appender, null, null);
    config.addLogger("", loggerConfig);
    context.updateLoggers();
}
 

private static Logger configureLog4j() {
    LoggerContext context = (LoggerContext) LogManager.getContext();
    Configuration config = context.getConfiguration();

    PatternLayout layout = PatternLayout.createLayout("%m%n", null, null, Charset.defaultCharset(), false, false, null, null);
    Appender appender = ConsoleAppender.createAppender(layout, null, null, "CONSOLE_APPENDER", null, null);
    appender.start();
    AppenderRef ref = AppenderRef.createAppenderRef("CONSOLE_APPENDER", null, null);
    AppenderRef[] refs = new AppenderRef[]{ref};
    LoggerConfig loggerConfig = LoggerConfig.createLogger("false", Level.INFO, "CONSOLE_LOGGER", "com", refs, null, null, null);
    loggerConfig.addAppender(appender, null, null);

    config.addAppender(appender);
    config.addLogger("Main.class", loggerConfig);
    context.updateLoggers(config);
    return LogManager.getContext().getLogger("Main.class");
}
 

/**
 * Frees the given logger from the appender used to be displayed directly by this controller.
 *
 * @param name the name
 * @return the response entity
 */
@RequestMapping(value = "free/{name}/", produces = MediaType.APPLICATION_JSON_VALUE, method = RequestMethod.GET,
    headers = "Accept=application/json")
@ResponseBody
public ResponseEntity<LogResponse> free(@PathVariable("name")
final String name) {
    final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    synchronized (ctx) {
        final Configuration config = ctx.getConfiguration();
        LoggerConfig loggerConfig = config.getLoggerConfig(name);
        if (name.equalsIgnoreCase(loggerConfig.getName())) {
            config.removeLogger(name);
            LoggerConfig newloggerConfig = new LoggerConfig(name, loggerConfig.getLevel(), true);
            config.addLogger(name, newloggerConfig);
        }
        ctx.updateLoggers();
    }
    return new ResponseEntity<>(listLoggers(ctx), HttpStatus.OK);
}
 

/**
 * Captures the given logger at the given level so it can be displayed directly by this controller.
 *
 * @param name the name
 * @param level the level
 * @param append the append
 * @return the response entity
 */
@RequestMapping(value = "capture/{name}/{level}", produces = MediaType.APPLICATION_JSON_VALUE, method = RequestMethod.GET,
    headers = "Accept=application/json")
@ResponseBody
public ResponseEntity<LogResponse> capture(@PathVariable("name")
final String name, @PathVariable("level")
final Level level, @RequestParam(value = "append", defaultValue = "false") boolean append) {
    final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    synchronized (ctx) {
        if (inMemoryAppenderImpl != null) {
            final Configuration config = ctx.getConfiguration();
            //
            if (name.equalsIgnoreCase(config.getLoggerConfig(name).getName())) {
                config.removeLogger(name);
            }
            //
            AppenderRef ref = AppenderRef.createAppenderRef("InMemoryAppenderImplAppenderRef", level, null);
            AppenderRef[] refs = new AppenderRef[] {ref};
            LoggerConfig loggerConfig = LoggerConfig.createLogger(append, level, name, "true", refs, null, config, null);
            loggerConfig.addAppender(inMemoryAppenderImpl, null, null);
            config.addLogger(name, loggerConfig);
            ctx.updateLoggers();
        }
    }
    return new ResponseEntity<>(listLoggers(ctx), HttpStatus.OK);
}
 

/**
 * Sets the.
 *
 * @param name
 *        the name
 * @param level
 *        the level
 * @return the response entity
 */
@RequestMapping(value = "set/{name}/{level}", produces = MediaType.APPLICATION_JSON_VALUE, method = RequestMethod.GET,
    headers = "Accept=application/json")
@ResponseBody
public ResponseEntity<LogResponse> set(@PathVariable("name")
final String name, @PathVariable("level")
final Level level) {
    final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    synchronized (ctx) {
        final Configuration config = ctx.getConfiguration();
        LoggerConfig loggerConfig = config.getLoggerConfig(name);
        if (name.equalsIgnoreCase(loggerConfig.getName())) {
            loggerConfig.setLevel(level);
        } else {
            LoggerConfig newloggerConfig = new LoggerConfig(name, level, true);
            config.addLogger(name, newloggerConfig);
        }
        ctx.updateLoggers();
    }
    return new ResponseEntity<>(listLoggers(ctx), HttpStatus.OK);
}
 

private void createBizLogger() {
    if (env.containsProperty(MonitorConfigSpringApplicationRunListener.LOG_KAFKA_BOOTSTRAPSERVERS)) {
        String appenderName = "AdvancedKafkaAppender";
        LoggerContext loggerContext = (LoggerContext)LogManager.getContext(false);
        Configuration configuration = loggerContext.getConfiguration();
        AdvancedKafkaAppender kafkaAppender =
            AdvancedKafkaAppender.createAppender(CustomJsonLayout.createDefaultLayout(), null, configuration,
                appenderName, getKafkaTopic(), getBootstrapservers());
        kafkaAppender.start();
        AppenderRef ref = AppenderRef.createAppenderRef(appenderName, null, null);
        AppenderRef[] refs = new AppenderRef[] {ref};
        LoggerConfig loggerConfig =
            LoggerConfig.createLogger(false, Level.INFO, "BizLogger", null, refs, null, configuration, null);
        loggerConfig.addAppender(kafkaAppender, null, null);
        configuration.addLogger("BizLogger", loggerConfig);
    }
}
 

public void start(LogConfig abyLogConfig) {
    //为false时，返回多个LoggerContext对象， true：返回唯一的单例LoggerContext
    final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    final Configuration config = ctx.getConfiguration();
    org.apache.logging.log4j.core.Logger cfgLogger = (org.apache.logging.log4j.core.Logger) LogManager.getLogger(abyLogConfig.getCfgLogName());
    if (cfgLogger == null) {
        LogManager.getLogger(LogFactory.class).error("not found {} logger (please define in log4j2.xml)", abyLogConfig.getCfgLogName());
        return;
    }

    List<AppenderRef> appenderRefs = new ArrayList<>();
    Map<String, Appender> appenderMap = cfgLogger.getAppenders();
    List<Appender> appenders = new ArrayList<>();
    appenderMap.forEach((key, appenderCfg) -> {
        Appender appender;
        if (appenderCfg instanceof ConsoleAppender) {
            appender = appenderCfg;
        } else {
            appender = getAppender(abyLogConfig, config, appenderCfg);
        }

        if (appender != null) {
            AppenderRef ref = AppenderRef.createAppenderRef(appender.getName(), Level.ALL, null);
            appenderRefs.add(ref);
            appenders.add(appender);
        }
    });
    if (CollectionUtils.isEmpty(appenders)) {
        return;
    }
    AppenderRef[] refs = new AppenderRef[appenderRefs.size()];
    refs = appenderRefs.toArray(refs);
    LoggerConfig loggerConfig = LoggerConfig.createLogger(false, cfgLogger.getLevel(), abyLogConfig.getName(),
            "true", refs, null, config, null);
    appenders.stream().forEach(e ->
            loggerConfig.addAppender(e, Level.ALL, null)
    );
    config.addLogger(abyLogConfig.getName(), loggerConfig);
    ctx.updateLoggers(config);
}
 

public static Logger initializeDefaultLogger(Level level, Class<?> clazz) {
  final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
  final Configuration config = ctx.getConfiguration();
  final ConsoleAppender appender = ConsoleAppender.newBuilder().setName("Console").build();
  config.addAppender(appender);
  final AppenderRef ref = AppenderRef.createAppenderRef("Console", level, null);
  final AppenderRef[] refs = new AppenderRef[] {ref};
  final LoggerConfig loggerConfig =
      LoggerConfig.createLogger(true, level, clazz.getName(), null, refs, null, config, null);
  config.addLogger(clazz.getName(), loggerConfig);
  ctx.updateLoggers();
  return LogManager.getLogger(clazz);
}
 

private ActorLogger() {
	loggerContext = (LoggerContext) LogManager.getContext(LogManager.class.getClassLoader(), false);
	Configuration config = loggerContext.getConfiguration();

	Appender systemConsoleAppender = ConsoleAppender.newBuilder()
		.setName(SYSTEM_CONSOLE_APPENDER_NAME)
		.setLayout(PatternLayout.newBuilder().withPattern(LAYOUT_CONSOLE_SYSTEM).build())
		.setConfiguration(config)
		.build();
	systemConsoleAppender.start();
    AppenderRef[] systemAppenderRefs = new AppenderRef[]{AppenderRef.createAppenderRef(SYSTEM_CONSOLE_APPENDER_NAME, null, null)};
    systemLoggerConfig = LoggerConfig.createLogger(false, Level.DEBUG, SYSTEM_LOGGER_NAME, "true", systemAppenderRefs, null, config, null);
    systemLoggerConfig.addAppender(systemConsoleAppender, null, null);
    
    Appender userConsoleAppender = ConsoleAppender.newBuilder()
		.setName(USER_CONSOLE_APPENDER_NAME)
		.setLayout(PatternLayout.newBuilder().withPattern(LAYOUT_CONSOLE_USER).build())
		.setConfiguration(config)
		.build();
	userConsoleAppender.start();
	AppenderRef[] userAppenderRefs = new AppenderRef[]{AppenderRef.createAppenderRef(USER_CONSOLE_APPENDER_NAME, null, null)};
	userLoggerConfig = LoggerConfig.createLogger(false, Level.DEBUG, USER_LOGGER_NAME, "true", userAppenderRefs, null, config, null);
	userLoggerConfig.addAppender(userConsoleAppender, null, null);

    config.addAppender(systemConsoleAppender);
    config.addAppender(userConsoleAppender);
    config.addLogger(SYSTEM_LOGGER_NAME, systemLoggerConfig);
    config.addLogger(USER_LOGGER_NAME, userLoggerConfig);
	loggerContext.updateLoggers(config);
}
 

public void start(Logger cfgLogger, String clKey) {
    //为false时，返回多个LoggerContext对象， true：返回唯一的单例LoggerContext
    final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
    final Configuration config = ctx.getConfiguration();
    List<AppenderRef> appenderRefs = new ArrayList<>();
    Map<String, Appender> appenderMap = ((org.apache.logging.log4j.core.Logger) cfgLogger).getAppenders();
    List<Appender> appenders = new ArrayList<>();
    appenderMap.forEach((key, appenderCfg) -> {
        Appender appender;
        if (appenderCfg instanceof ConsoleAppender) {
            appender = appenderCfg;
        } else {
            appender = getAppender(clKey, config, appenderCfg);
        }
        if (appender != null && appender.isStopped()) {
            appender.start();
        }
        if (appender != null) {
            AppenderRef ref = AppenderRef.createAppenderRef(appender.getName(), Level.ALL, null);
            appenderRefs.add(ref);
            appenders.add(appender);
        }
    });
    if (CollectionUtils.isEmpty(appenders)) {
        return;
    }
    AppenderRef[] refs = new AppenderRef[appenderRefs.size()];
    refs = appenderRefs.toArray(refs);
    LoggerConfig loggerConfig = LoggerConfig.createLogger(false, cfgLogger.getLevel(), clKey, "true", refs, null, config, null);
    appenders.stream().forEach(e ->
            loggerConfig.addAppender(e, Level.ALL, null)
    );
    config.addLogger(clKey, loggerConfig);
    ctx.updateLoggers(config);
}
 

public static Logger createLogger(Input input, LoggerContext loggerContext, LogFeederProps logFeederProps) {
  boolean useJsonFormat = logFeederProps.isCloudStorageUseFilters();
  String type = input.getLogType().replace(LogFeederConstants.CLOUD_PREFIX, "");
  String uniqueThreadName = input.getThread().getName();
  Configuration config = loggerContext.getConfiguration();
  String baseDir = logFeederProps.getRolloverConfig().getRolloverArchiveBaseDir();
  String destination = logFeederProps.getCloudStorageDestination().getText();
  String clusterHostnameBaseDir = Paths.get(baseDir, destination, logFeederProps.getClusterName(), LogFeederUtil.hostName).toFile().getAbsolutePath();
  String activeLogDir = Paths.get(clusterHostnameBaseDir, ACTIVE_FOLDER, type).toFile().getAbsolutePath();
  String archiveLogDir = Paths.get(clusterHostnameBaseDir, ARCHIVED_FOLDER, type).toFile().getAbsolutePath();

  boolean useGzip = logFeederProps.getRolloverConfig().isUseGzip();
  final String archiveFilePattern;
  if (useJsonFormat) {
    archiveFilePattern = useGzip ? JSON_DATE_PATTERN_SUFFIX_GZ : JSON_DATE_PATTERN_SUFFIX;
  } else {
    archiveFilePattern = useGzip ? DATE_PATTERN_SUFFIX_GZ : DATE_PATTERN_SUFFIX;
  }

  String logSuffix = useJsonFormat ? ".json" : ".log";
  String fileName = String.join(File.separator, activeLogDir, type + logSuffix);
  String filePattern = String.join(File.separator, archiveLogDir, type + archiveFilePattern);
  PatternLayout layout = PatternLayout.newBuilder()
    .withPattern(PatternLayout.DEFAULT_CONVERSION_PATTERN).build();

  String rolloverSize = logFeederProps.getRolloverConfig().getRolloverSize().toString() + logFeederProps.getRolloverConfig().getRolloverSizeFormat();
  SizeBasedTriggeringPolicy sizeBasedTriggeringPolicy = SizeBasedTriggeringPolicy.createPolicy(rolloverSize);

  final Integer thresholdMin = logFeederProps.getRolloverConfig().getRolloverThresholdTimeMins();
  final Integer thresholdInterval = thresholdMin * 60000; // 1 min = 60000 milliseconds

  TimeBasedTriggeringPolicy timeBasedTriggeringPolicy = TimeBasedTriggeringPolicy.newBuilder()
    .withInterval(thresholdInterval)
    .build();

  final CompositeTriggeringPolicy compositeTriggeringPolicy;

  if (logFeederProps.getRolloverConfig().isRolloverOnStartup()) {
    OnStartupTriggeringPolicy onStartupTriggeringPolicy = OnStartupTriggeringPolicy.createPolicy(1);
    compositeTriggeringPolicy = CompositeTriggeringPolicy
      .createPolicy(sizeBasedTriggeringPolicy, timeBasedTriggeringPolicy, onStartupTriggeringPolicy);
  } else {
    compositeTriggeringPolicy = CompositeTriggeringPolicy
      .createPolicy(sizeBasedTriggeringPolicy, timeBasedTriggeringPolicy);
  }

  DefaultRolloverStrategy defaultRolloverStrategy = DefaultRolloverStrategy.newBuilder()
    .withMax(String.valueOf(logFeederProps.getRolloverConfig().getRolloverMaxBackupFiles()))
    .build();

  boolean immediateFlush = logFeederProps.getRolloverConfig().isImmediateFlush();
  RollingFileAppender appender = RollingFileAppender.newBuilder()
    .withFileName(fileName)
    .withFilePattern(filePattern)
    .withLayout(layout)
    .withName(type)
    .withPolicy(compositeTriggeringPolicy)
    .withStrategy(defaultRolloverStrategy)
    .withImmediateFlush(immediateFlush)
    .build();

  appender.start();
  config.addAppender(appender);

  AppenderRef ref = AppenderRef.createAppenderRef(type, null, null);
  AppenderRef[] refs = new AppenderRef[] {ref};

  LoggerConfig loggerConfig = LoggerConfig
    .createLogger(false, Level.ALL, input.getThread().getName(),
      "true", refs, null, config, null);
  loggerConfig.addAppender(appender, null, null);
  config.addLogger(uniqueThreadName, loggerConfig);
  loggerContext.updateLoggers();
  return loggerContext.getLogger(uniqueThreadName);
}
 

private static LoggerConfig getLoggerConfig() {
  LoggerContext loggerContext = (LoggerContext) LogManager.getContext(false);
  Configuration configuration = loggerContext.getConfiguration();
  configuration.addLogger(LOGGER_NAME, new LoggerConfig());
  return configuration.getLoggerConfig(LOGGER_NAME);
}
 

public final void createLoggerProgrammatically(Supplier<ElasticsearchAppender.Builder> appenderBuilder, Function<Configuration, AsyncLoggerConfigDelegate> delegateSupplier) {

        LoggerContext ctx = LoggerContext.getContext(false);

        final Configuration config = ctx.getConfiguration();

        Appender appender = appenderBuilder.get().build();
        appender.start();

        AppenderRef ref = AppenderRef.createAppenderRef(DEFAULT_APPENDER_NAME, Level.INFO, null);
        AppenderRef[] refs = new AppenderRef[] {ref};

        // set up disruptor forcefully
        ((LifeCycle)delegateSupplier.apply(config)).start();

        AsyncLoggerConfig loggerConfig = (AsyncLoggerConfig) AsyncLoggerConfig.createLogger(false, Level.INFO, DEFAULT_LOGGER_NAME,
                "false", refs, null, config, null );

        loggerConfig.addAppender(appender, Level.INFO, null);

        config.addAppender(appender);
        config.addLogger(DEFAULT_LOGGER_NAME, loggerConfig);

    }
 

@SuppressWarnings({ "rawtypes", "unchecked" })
public static synchronized void init() {
	final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
	final Configuration config = ctx.getConfiguration();
	Layout layout = PatternLayout.newBuilder().withPattern("%d{yyyy-MM-dd HH:mm:ss}:%p %t %c - %m%n")
	      .withConfiguration(config).withRegexReplacement(null).withCharset(null).withAlwaysWriteExceptions(true)
	      .withNoConsoleNoAnsi(false).withHeader(null).withFooter(null).build();

	// file info
	Filter fileInfoFilter = ThresholdFilter.createFilter(Level.ERROR, Result.DENY, Result.ACCEPT);
	Appender fileInfoAppender = RollingFileAppender.createAppender(LOG_ROOT + "/zebra.log", LOG_ROOT
	      + "/zebra.log.%d{yyyy-MM-dd}.gz", "true", "FileInfo", "true", "4000", "true",
	      TimeBasedTriggeringPolicy.createPolicy("1", "true"),
	      ZebraRolloverStrategy.createStrategy("30", "1", null, Deflater.DEFAULT_COMPRESSION + "", config), layout,
	      fileInfoFilter, "false", null, null, config);
	config.addAppender(fileInfoAppender);
	fileInfoAppender.start();
	AppenderRef fileInfoRef = AppenderRef.createAppenderRef("FileInfo", null, fileInfoFilter);

	// console error
	Appender consoleErrorAppender = ConsoleAppender.createAppender(layout, null, "SYSTEM_ERR", "ConsoleError",
	      "false", "false");
	config.addAppender(consoleErrorAppender);
	consoleErrorAppender.start();

	// console info
	Filter consoleWarnFilter = ThresholdFilter.createFilter(Level.ERROR, Result.DENY, Result.NEUTRAL);
	Appender consoleWarnAppender = ConsoleAppender.createAppender(layout, consoleWarnFilter, "SYSTEM_OUT",
	      "ConsoleWarn", "false", "false");
	config.addAppender(consoleWarnAppender);
	consoleWarnAppender.start();
	AppenderRef consoleWarnAppenderRef = AppenderRef.createAppenderRef("ConsoleWarn", Level.WARN, consoleWarnFilter);
	AppenderRef consoleErrorAppenderRef = AppenderRef.createAppenderRef("ConsoleError", Level.WARN, null);

	AppenderRef[] refs = new AppenderRef[] { consoleErrorAppenderRef, consoleWarnAppenderRef, fileInfoRef };

	LoggerConfig loggerConfig = LoggerConfig.createLogger("false", Level.INFO, "com.dianping.zebra", "true", refs,
	      null, config, null);
	loggerConfig.addAppender(consoleErrorAppender, Level.ERROR, null);
	loggerConfig.addAppender(consoleWarnAppender, Level.INFO, null);
	loggerConfig.addAppender(fileInfoAppender, Level.INFO, null);

	config.addLogger("com.dianping.zebra", loggerConfig);

	ctx.updateLoggers();

	context = ctx;
}
 

private static LoggerConfig getLoggerConfig() {
  LoggerContext loggerContext = (LoggerContext) LogManager.getContext(false);
  Configuration configuration = loggerContext.getConfiguration();
  configuration.addLogger(LOGGER_NAME, new LoggerConfig());
  return configuration.getLoggerConfig(LOGGER_NAME);
}
 

private static LoggerConfig getLoggerConfig() {
  LoggerContext loggerContext = (LoggerContext) LogManager.getContext(false);
  Configuration configuration = loggerContext.getConfiguration();
  configuration.addLogger(LOGGER_NAME, new LoggerConfig());
  return configuration.getLoggerConfig(LOGGER_NAME);
}