spring boot mybatis报错： The server time zone value '�й���׼ʱ��' is unrecognized

错误标识

The server time zone value ‘�й���׼ʱ��’ is unrecognized

异常日志

Caused by: com.mysql.cj.core.exceptions.InvalidConnectionAttributeException: The server time zone value ‘�й���׼ʱ��’ is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.core.exceptions.ExceptionFactory.createException(ExceptionFactory.java:54)
at com.mysql.cj.core.exceptions.ExceptionFactory.createException(ExceptionFactory.java:73)
at com.mysql.cj.jdbc.util.TimeUtil.getCanonicalTimezone(TimeUtil.java:118)

解决办法：

1. 这个错误是因为mysql配置的依赖包是高版本的情况下出现的：

  
           mysql
           mysql-connector-java
           5.1.40
  

2. 例如我的spring boot 版本,降低版本

 2.1.5.RELEASE
 改为
2.0.4.RELEASE

3. 配置mysql连接时区

jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC