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springboot项目运行报错：sqlsession注册失败

您的springboot项目在未修改任何代码的情况下突然出现 "creating a new sqlsession... was not registered for synchronization..." 的错误，令人困惑不解。具体报错如下：

creating a new sqlsession
sqlsession [org.apache.ibatis.session.defaults.defaultsqlsession@2dbe837b] was not registered for synchronization because synchronization is not active

检查了配置文件，发现如下内容：

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

然而，这似乎没有什么问题。

解决方法：

为了解决此问题，可以参考以下解决方案：

• [mybatis-plus报错：creating a new sqlsession... was not registered for synchronization because synchronization is not active - csdn博客](https://blog.csdn.net/web1829...)

该链接提供了详细的分析和解决方案，值得一试。