log4j.properties
# The following properties set the logging levels and log appender. The
# log4j.rootCategory variable defines the default log level and one or more
# appenders. For the console, use 'S'. For the daily rolling file, use 'R'.
# For an HTML formatted log, use 'H'.
log4j.rootCategory=DEBUG, S,R
log4j.logger.com.bgs.entity=INFO
# The following properties configure the Daily Rolling File appender.
log4j.appender.R = org.apache.log4j.DailyRollingFileAppender
log4j.appender.R.File = c:/excel/sm7.log
log4j.appender.R.Append = true
log4j.appender.R.DatePattern = '.'yyy-MM-dd
log4j.appender.R.layout = org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern = %d{yyyy-MM-dd HH:mm:ss},[%p],%c{1},%M,%m%n
In
java:Main.java
public class Main
{
static Logger logger = Logger.getLogger("Main");
Error in console , while executing java file
log4j:WARN No appenders could be found for logger (Main).
log4j:WARN Please initialize the log4j system properly.