Log4j with multiple appenders using properties.

Please follow the following program to understand log4j implementation for multiple appenders using properties file.

Java : MultipleAppenders

import org.apache.log4j.Logger;

import org.apache.log4j.PropertyConfigurator;

public class MultipleAppenders {

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

      public static void main(String[] args) {

            PropertyConfigurator.configure("log.properties");

            logger.debug("Debug Message.");// Method to Method.

            logger.info("Info Message.");// Information passing and recieving.

            logger.warn("Warning Message.");// Retrying again.

      }

}

Properties: log.properties

log4j.rootLogger=DEBUG, Console, File, Html

#Console Appender

log4j.appender.Console=org.apache.log4j.ConsoleAppender

log4j.appender.Console.layout=org.apache.log4j.PatternLayout

log4j.appender.Console.layout.ConversionPattern=%d %p %c --> %M - %m%n

log4j.appender.Console.Threshold = DEBUG

#File Appender

log4j.appender.File=org.apache.log4j.FileAppender

log4j.appender.File.File=file.log

log4j.appender.File.layout=org.apache.log4j.PatternLayout

log4j.appender.File.layout.ConversionPattern=%d %p %c --> %M - %m%n

log4j.appender.File.Threshold = WARN

#File Appender with HTMLLayout

log4j.appender.Html=org.apache.log4j.FileAppender

log4j.appender.Html.File=file.html

log4j.appender.Html.layout=org.apache.log4j.HTMLLayout

log4j.appender.Html.Threshold = TRACE