앞으로~

import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.DailyRollingFileAppender;

Logger log = Logger.getLogger(GERPIfBox.class);

     String layout = "[%d{yyyy-MM-dd HH:mm:ss}] %-5p [%l] - %m%n";
     String logfile = "D:/PMS_APP/WEB-INF/bach_job/log/gerpif.log";
     String datepattern = ".yyyy-MM-dd";
     PatternLayout patternlayout = new PatternLayout(layout);
     
     DailyRollingFileAppender appender = null;
     try{
      appender = new DailyRollingFileAppender(patternlayout, logfile, datepattern);
     }catch(java.io.IOException ioex){
      ioex.printStackTrace();
     }
     
     log.addAppender(appender);


출처 : http://blog.naver.com/PostView.nhn?blogId=javasniper&logNo=130115803097