how to log4j configuration for spring

web.xml file

<!-- log4j config for spring -->

<context-param>

<param-name>log4jConfigLocation</param-name>

<param-value>file:/C:/Users/jupiter/workspace/webapp4_custformdbbcryptcond2/src/main/resources/welcome/log4j.properties</param-value>

</context-param>

<listener>

<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>

</listener>

log4j.properties file

# Root logger option

log4j.rootLogger=debug, file, stdout

#log4j.rootLogger=debug, stdout

# Direct log messages to a log file

log4j.appender.file=org.apache.log4j.RollingFileAppender

log4j.appender.file.File=C:/logs/log.log

log4j.appender.file.MaxFileSize=1MB

log4j.appender.file.MaxBackupIndex=1

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

log4j.appender.file.layout.ConversionPattern=%d{dd MMM yyyy HH:mm:ss} ----%5p---- # 

http://stackoverflow.com/questions/13153004/how-to-configure-logging-in-spring-mvc-web-application