解决方案：新建文件log4j.properties
log4j.rootLogger=DEBUG, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n
效果图:
相关文章
- 06-17log4j:WARN No appenders could be found for logger 报错
- 06-17springboot整合Druid数据(出现log4j:WARN No appenders could be found for logger (druid.sql.Connection))
- 06-17log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.o
- 06-17log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.o
- 06-17slf4j 整合log4j 报错 WARN Please initialize the log4j system properly.
- 06-17springboot+druid报错log4j:WARN No appenders could be found for logger (druid.sql.Connection). log4j:WARN Please initialize the log4j system properly.
- 06-17springboot整合Druid数据(出现log4j:WARN No appenders could be found for logger (druid.sql.Connection))的解决方案