关于log4j Properties放在不同路径下的问题

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最近在开发过程使用到log4j,在使用过程中遇到一个问题,如下:

log4j:WARN No appenders could be foundfor logger (com.jc.UpgradeImage.UpgradeImage).

log4j:WARN Please initialize the log4jsystem properly.

log4j:WARN Seehttp://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

import org.apache.log4j.Logger;importorg.apache.log4j.PropertyConfigurator; public class UpgradeImage {         privatestatic Logger logger = Logger.getLogger(UpgradeImage.class);           publicstatic void main(String[] args) {                   //TODO Auto-generated method stub             logger.debug("debug");             logger.info("This is info  message.");           }}

经过查询资料,发现有两种解决方式,现总结如下:

1.修改源代码,增加一行代码,

package com.jc.UpgradeImage;import org.apache.log4j.Logger;import org.apache.log4j.PropertyConfigurator;public class UpgradeImage {private static Logger logger =  Logger.getLogger(UpgradeImage.class);   public static void main(String[] args) {// TODO Auto-generated method stub<span style="color:#FF6666;">PropertyConfigurator.configure("log4j.properties");</span>    logger.debug("debug");    logger.info("This is info  message.");   }}

2.不修改源代码,把log4j.properties放到src目录下。


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