Examples with Appender org.apache.log4j.Appender used on opensource projects

Example 6 with Appender

use of org.apache.log4j.Appender in project hadoop by apache.

the class MetricsLoggerTask method makeMetricsLoggerAsync.

/**
   * Make the metrics logger async and add all pre-existing appenders to the
   * async appender.
   */
public static void makeMetricsLoggerAsync(Log metricsLog) {
    if (!(metricsLog instanceof Log4JLogger)) {
        LOG.warn("Metrics logging will not be async since " + "the logger is not log4j");
        return;
    }
    org.apache.log4j.Logger logger = ((Log4JLogger) metricsLog).getLogger();
    // Don't pollute actual logs with metrics dump
    logger.setAdditivity(false);
    @SuppressWarnings("unchecked") List<Appender> appenders = Collections.list(logger.getAllAppenders());
    // failsafe against trying to async it more than once
    if (!appenders.isEmpty() && !(appenders.get(0) instanceof AsyncAppender)) {
        AsyncAppender asyncAppender = new AsyncAppender();
        // previously configured appenders
        for (Appender appender : appenders) {
            logger.removeAppender(appender);
            asyncAppender.addAppender(appender);
        }
        logger.addAppender(asyncAppender);
    }
}

Example 7 with Appender

use of org.apache.log4j.Appender in project hadoop by apache.

the class TestAdHocLogDumper method testDumpingSchedulerLogs.

@Test
public void testDumpingSchedulerLogs() throws Exception {
    Map<Appender, Priority> levels = new HashMap<>();
    String logHierarchy = TestAdHocLogDumper.class.getName();
    String logFilename = "test.log";
    Log log = LogFactory.getLog(logHierarchy);
    if (log instanceof Log4JLogger) {
        for (Enumeration appenders = Logger.getRootLogger().getAllAppenders(); appenders.hasMoreElements(); ) {
            Object obj = appenders.nextElement();
            if (obj instanceof AppenderSkeleton) {
                AppenderSkeleton appender = (AppenderSkeleton) obj;
                levels.put(appender, appender.getThreshold());
            }
        }
    }
    AdHocLogDumper dumper = new AdHocLogDumper(logHierarchy, logFilename);
    dumper.dumpLogs("DEBUG", 1000);
    LOG.debug("test message 1");
    LOG.info("test message 2");
    File logFile = new File(logFilename);
    Assert.assertTrue(logFile.exists());
    Thread.sleep(2000);
    long lastWrite = logFile.lastModified();
    Assert.assertTrue(lastWrite < Time.now());
    Assert.assertTrue(logFile.length() != 0);
    // make sure levels are set back to their original values
    if (log instanceof Log4JLogger) {
        for (Enumeration appenders = Logger.getRootLogger().getAllAppenders(); appenders.hasMoreElements(); ) {
            Object obj = appenders.nextElement();
            if (obj instanceof AppenderSkeleton) {
                AppenderSkeleton appender = (AppenderSkeleton) obj;
                Assert.assertEquals(levels.get(appender), appender.getThreshold());
            }
        }
    }
    boolean del = logFile.delete();
    if (!del) {
        LOG.info("Couldn't clean up after test");
    }
}

Example 8 with Appender

use of org.apache.log4j.Appender in project hbase by apache.

the class HttpRequestLog method getRequestLog.

public static RequestLog getRequestLog(String name) {
    String lookup = serverToComponent.get(name);
    if (lookup != null) {
        name = lookup;
    }
    String loggerName = "http.requests." + name;
    String appenderName = name + "requestlog";
    Log logger = LogFactory.getLog(loggerName);
    if (logger instanceof Log4JLogger) {
        Log4JLogger httpLog4JLog = (Log4JLogger) logger;
        Logger httpLogger = httpLog4JLog.getLogger();
        Appender appender = null;
        try {
            appender = httpLogger.getAppender(appenderName);
        } catch (LogConfigurationException e) {
            LOG.warn("Http request log for " + loggerName + " could not be created");
            throw e;
        }
        if (appender == null) {
            LOG.info("Http request log for " + loggerName + " is not defined");
            return null;
        }
        if (appender instanceof HttpRequestLogAppender) {
            HttpRequestLogAppender requestLogAppender = (HttpRequestLogAppender) appender;
            NCSARequestLog requestLog = new NCSARequestLog();
            requestLog.setFilename(requestLogAppender.getFilename());
            requestLog.setRetainDays(requestLogAppender.getRetainDays());
            return requestLog;
        } else {
            LOG.warn("Jetty request log for " + loggerName + " was of the wrong class");
            return null;
        }
    } else {
        LOG.warn("Jetty request log can only be enabled using Log4j");
        return null;
    }
}

Example 9 with Appender

use of org.apache.log4j.Appender in project hbase by apache.

the class LogMonitoring method getActiveLogFiles.

public static Set<File> getActiveLogFiles() throws IOException {
    Set<File> ret = Sets.newHashSet();
    Appender a;
    @SuppressWarnings("unchecked") Enumeration<Appender> e = Logger.getRootLogger().getAllAppenders();
    while (e.hasMoreElements()) {
        a = e.nextElement();
        if (a instanceof FileAppender) {
            FileAppender fa = (FileAppender) a;
            String filename = fa.getFile();
            ret.add(new File(filename));
        }
    }
    return ret;
}

Example 10 with Appender

use of org.apache.log4j.Appender in project dubbo by alibaba.

the class Log4jContainer method start.

@SuppressWarnings("unchecked")
public void start() {
    String file = ConfigUtils.getProperty(LOG4J_FILE);
    if (file != null && file.length() > 0) {
        String level = ConfigUtils.getProperty(LOG4J_LEVEL);
        if (level == null || level.length() == 0) {
            level = DEFAULT_LOG4J_LEVEL;
        }
        Properties properties = new Properties();
        properties.setProperty("log4j.rootLogger", level + ",application");
        properties.setProperty("log4j.appender.application", "org.apache.log4j.DailyRollingFileAppender");
        properties.setProperty("log4j.appender.application.File", file);
        properties.setProperty("log4j.appender.application.Append", "true");
        properties.setProperty("log4j.appender.application.DatePattern", "'.'yyyy-MM-dd");
        properties.setProperty("log4j.appender.application.layout", "org.apache.log4j.PatternLayout");
        properties.setProperty("log4j.appender.application.layout.ConversionPattern", "%d [%t] %-5p %C{6} (%F:%L) - %m%n");
        PropertyConfigurator.configure(properties);
    }
    String subdirectory = ConfigUtils.getProperty(LOG4J_SUBDIRECTORY);
    if (subdirectory != null && subdirectory.length() > 0) {
        Enumeration<org.apache.log4j.Logger> ls = LogManager.getCurrentLoggers();
        while (ls.hasMoreElements()) {
            org.apache.log4j.Logger l = ls.nextElement();
            if (l != null) {
                Enumeration<Appender> as = l.getAllAppenders();
                while (as.hasMoreElements()) {
                    Appender a = as.nextElement();
                    if (a instanceof FileAppender) {
                        FileAppender fa = (FileAppender) a;
                        String f = fa.getFile();
                        if (f != null && f.length() > 0) {
                            int i = f.replace('\\', '/').lastIndexOf('/');
                            String path;
                            if (i == -1) {
                                path = subdirectory;
                            } else {
                                path = f.substring(0, i);
                                if (!path.endsWith(subdirectory)) {
                                    path = path + "/" + subdirectory;
                                }
                                f = f.substring(i + 1);
                            }
                            fa.setFile(path + "/" + f);
                            fa.activateOptions();
                        }
                    }
                }
            }
        }
    }
}