springboot启动时时区错误

使用generator生成文件时，出现以下错误

 

控制台信息

MyBatis Generator Started...
  Buildfile: E:\java_workspace3\.metadata\.plugins\org.mybatis.generator.eclipse.ui\.generatedAntScripts\springboot_mybatis_demo-generatorConfig.xml.xml
  17:02:17.799 [Worker-117] DEBUG org.mybatis.generator.eclipse.ui.ant.logging.AntLogFactory - Logging initialized using 'org.mybatis.generator.eclipse.ui.ant.logging.slf4j.Slf4jLoggingLogFactory@2ff0b64f' adapter.
  17:02:17.830 [Worker-117] DEBUG org.mybatis.generator.logging.LogFactory - Logging initialized using 'org.mybatis.generator.eclipse.ui.ant.logging.AntLogFactory@a89e275' adapter.
  Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.
MyBatis Generator Finished

错误原因：

时区错误，因为我们是在东八区，所以在配置文件里面，将连接数据库的地方添加?serverTimezone=GMT%2B8

如图：

添加完成后就可以自动生成文件了