log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironment).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

// disable log4j warnings
Logger.getRootLogger().setLevel(Level.OFF);

// initialize spring context
ApplicationContext ctxMsg = new AnnotationConfigApplicationContext(MyConfigurationClass.class);

// start log4j logging
// variable log4jConfigFile is java.io.File
Log4jConfigurer.initLogging(log4jConfigFile.getAbsolutePath(), 600000);

import static org.springframework.util.Log4jConfigurer.XML_FILE_EXTENSION;
  /**
     * Initializes log4j logging
     * 
     * @param location Log4j configuration file location
     * @param refreshInterval Refreshing interval for re-reading log4j 
     * configuration file
     */
    public static void initLogging(String location, long refreshInterval) {
        
        try {
            
            // get file
            File file = Paths.get(location).toFile();
            
            // check, whether file exists
            if (!file.exists()) {
                throw new FileNotFoundException("Log4j config file [" + location + "] not found");
            }
            
            // initialize log4j from XML/properties configuration file
            if (location.toLowerCase().endsWith(XML_FILE_EXTENSION)) {
                DOMConfigurator.configureAndWatch(file.getAbsolutePath(), refreshInterval);
            } else {
                PropertyConfigurator.configureAndWatch(file.getAbsolutePath(), refreshInterval);
            }
            
            System.out.println("Tomcat: Logging initialized");
            
        } catch (Exception e) {
            System.out.println("Tomcat exception: " + e.getMessage());
            e.printStackTrace(System.out);
            throw new RuntimeException(e);
        }
    }