import org.apache.log4j.Logger;
public class LoggerTry
{
private static Logger logger=Logger.getLogger(LoggerTry.class);
public static void main(String args[])
{
System.out.println("xiayanhua");
logger.debug("this is logger4j");
}
}
打印信息應該是:
xiayanhua
DEBUG - this is logger4j
但出現瞭如下警告:log4j:WARN No appenders could be found for logger
且logger無法輸出日誌信息。
解決辦法:只需將log4j.properties放置在src文件夾目錄下即可。