springboot项目，运行过程中突然爆如下错误，一直运行的好好的，并没有修改任何东西？

Question

项目代码并没有修改，运行的好好的，今天启动突然爆这个错了，并不是网上说的代码有错误
报错如下

Creating a new SqlSession
SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@2dbe837b] was not registered for synchronization because synchronization is not active

yml配置文件如下

server:
  port: 8080
spring:
  datasource:
    druid:
      driver-class-name: com.mysql.cj.jdbc.Driver
      url: jdbc:mysql://110.35.20.7:3306/cos?useUnicode=true&characterEncoding=utf8&autoReconnect=true&allowMultiQueries=true&zeroDateTimeBehavior=convertToNull&useSSL=false&serverTimezone=Asia/Shanghai
      username: mes_it
      password: 123456

mybatis-plus:
  config-location: classpath:mybatis/mybatis-config.xml
  mapper-locations: classpath:mybatis/mapper/*.xml

Answer 1

出门左转 https://blog.csdn.net/web1829...