【log4j】springboot項目啟動 ,使用的druid數據源，log4j報錯 log4j:WARN Please initialize the log4j system properly.

本文轉載自查看原文 2018-05-21 09:49 992 工具類

springboot項目啟動 ,使用的druid數據源，log4j報錯

2018-05-21 08:59:21.168  INFO 1496 --- [  restartedMain] o.hibernate.annotations.common.Version   : HCANN000001: Hibernate Commons Annotations {5.0.1.Final}
log4j:WARN No appenders could be found for logger (druid.sql.Connection).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

解決辦法：

配置log4j的日志配置文件log4j.properties

log4j.rootLogger=debug, stdout, R

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

log4j.appender.stdout.layout.ConversionPattern=%5p - %m%n

log4j.appender.R=org.apache.log4j.RollingFileAppender
log4j.appender.R.File=firestorm.log

log4j.appender.R.MaxFileSize=100KB
log4j.appender.R.MaxBackupIndex=1

log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n

#log4j.logger.自己的包名=DEBUG
log4j.logger.com.sxd=DEBUG

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