log4j:WARN No appenders could be found for logger 解决办法

使用log4j时不起作用,执行完出现以下提示:
log4j:WARN No appenders could be found for logger (org.apache.ibatis.logging.LogFactory).log4j:WARN Please initialize the log4j system properly.log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

解决办法如下:在配置文件log4j.properties(文件名必须这个,放在resources目录) 全选粘贴如下代码:

Global logging configuration

log4j.rootLogger=info, stdout

Console output…

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n

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