sample——log4j

ConversionPattern=%d [%t] %-5p [%c] - %m%n

# Output pattern : date [thread] priority category - message
log4j.rootLogger=error,Console, RollingFile
logDir=${user.home}

log4j.logger.com.weinet=debug

log4j.logger.Transaction=debug

#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=${ConversionPattern}

#RollingFile
log4j.appender.RollingFile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.RollingFile.File=${logDir}/cardfolder/CardFolder.log
log4j.appender.RollingFile.layout=org.apache.log4j.PatternLayout
log4j.appender.RollingFile.layout.ConversionPattern=${ConversionPattern}