入门log4j2

1.引入依赖包

          
org.apache.logging.log4j
log4j-api
2.0-beta9


org.apache.logging.log4j
log4j-core
2.0-beta9

2.配置文件classpath:log4j2.xml

      

3.测试代码

  public class Log {

static Logger logger = LogManager.getLogger(Log.class.getName());

public static void main(String argv[]) throws Exception {
System.out.println(logger);
logger.debug("Entering application.");
logger.error("Didn't do it.");
logger.error("Exiting application.");
}
}