我这里有一个配置的例子,请参考:log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.File=/wls/domains/lwc.log
log4j.appender.logfile.DatePattern=yyyy-MM-dd.'xml'
log4j.appender.logfile.layout=org.apache.log4j.xml.XMLLayout
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d %p %c - %m%n