log4j.properties

Log4j

log4j.rootLogger=DEBUG, CA, FA

#Console Appender
log4j.appender.CA=org.apache.log4j.ConsoleAppender
log4j.appender.CA.layout=org.apache.log4j.PatternLayout
log4j.appender.CA.layout.ConversionPattern=%d - %m%n
#%d [%-6p] %c{1} - %m%n
#File Appender
log4j.appender.FA=org.apache.log4j.FileAppender
log4j.appender.FA.Append=false
log4j.appender.FA.File=C:\\Users\\rad9kor\\Desktop\\test\\nikhil\\log\\AttributionLogs_${current_date}.txt
log4j.appender.FA.layout=org.apache.log4j.PatternLayout
log4j.appender.FA.layout.ConversionPattern=%d - %m%n

# Set the logger level of File Appender to WARN
log4j.appender.FA.Threshold = DEBUG

Log4j main

static final Logger logger = Logger.getLogger(HelloWorld.class);
	
	public static void main(String[] args) {
		PropertyConfigurator.configure("log4j.properties");
		logger.debug("Sample debug message");
		logger.info("Sample info message");
		logger.warn("Sample warn message");
		logger.error("Sample error message");
		logger.fatal("Sample fatal message");
	}