这是我的配置文件,仅供参考:log4j.rootLogger=debug, stdout, R
#log4j.rootLogger=info,stdout,Rlog4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.SimpleLayout
# Pattern to output the caller's file name and line number.
# log4j.appender.stdout.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss,SSS}  %-4r [%t] %-5p %F:%4L - %m%nlog4j.appender.R=org.apache.log4j.RollingFileAppender
#log4j.appender.R.File=..\\logs\\star.log
log4j.appender.R.File=../logs/mylog.log
log4j.appender.R.MaxFileSize=1000KB
#Keep one backup file
log4j.appender.R.MaxBackupIndex=100log4j.appender.R.layout=org.apache.log4j.SimpleLayout
#log4j.appender.R.layout.ConversionPattern=%-4r [%t] %-5p %F:%4L - %m%n