log4j.properties specified maximum log file size, file cleanup before

logg4j.properties

　　　　<dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.12</version>
        </dependency>

 

 

log4j.rootLogger=INFO,stdout,debug,error

# Output to the console
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %p [%t] %C.%M(%L) | %m%n

More than # DEBUG level logging output to a file
log4j.appender.debug=org.apache.log4j.RollingFileAppender
log4j.appender.debug.Threshold=DEBUG
log4j.appender.debug.File=./logs/log.txt
log4j.appender.debug.layout=org.apache.log4j.PatternLayout
log4j.appender.debug.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} [%5p] - %c -%F(%L) -%m%n
50MB maximum file #
log4j.appender.debug.MaxFileSize=50MB
# 15 backup file
log4j.appender.debug.MaxBackupIndex=15
log4j.appender.debug.Encoding=UTF-8

# Above error level log output to a file
log4j.appender.error=org.apache.log4j.RollingFileAppender
log4j.appender.error.Threshold=ERROR
log4j.appender.error.File=./logs/error.txt
log4j.appender.error.layout=org.apache.log4j.PatternLayout
log4j.appender.error.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} [%5p] - %c -%F(%L) -%m%n
50MB maximum file #
log4j.appender.error.MaxFileSize=50MB
# 15 backup file
log4j.appender.error.MaxBackupIndex=15
log4j.appender.error.Encoding=UTF-8