log4j.properties

一个抓取程序

log4j.rootLogger=info,a,b
### direct log messages to stdout ###
log4j.appender.b=org.apache.log4j.ConsoleAppender
log4j.appender.b.Target=System.out
log4j.appender.b.layout=org.apache.log4j.PatternLayout
log4j.appender.b.layout.ConversionPattern=%d{ABSOLUTE} %p %c{1}:%L - %m%n

### direct messages to file hibernate.log ###
log4j.appender.a=org.apache.log4j.RollingFileAppender
log4j.appender.a.maxFileSize=10MB
log4j.appender.a.maxBackupIndex=3
log4j.appender.a.File=c:/demo.log
log4j.appender.a.layout=org.apache.log4j.PatternLayout
log4j.appender.a.layout.ConversionPattern=%d{ABSOLUTE} %p %c{1}:%L - %m%n

### set log levels - for more verbose logging change 'info' to 'debug' ###