在使用springboot整合ssm和druid的时候出现数据库一个问题

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:

### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!

### The error may exist in com/wj/mapper/UserMapper.xml

### The error may involve com.wj.mapper.UserMapper.selectAllUserInfo

### The error occurred while executing a query

### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!

    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)

    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)

    javax.servlet.http.HttpServlet.service(HttpServlet.java:650)

    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)

    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' 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.

    com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:127)

    com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:95)

    com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:87)

    com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:61)

    com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:71)

出现这个问题时候,就是是数据库时间问题,然后执行了

SHOW VARIABLES LIKE '%time_zone%'

进行查询设置:

SET GLOBAL time_zone='+8:00'

然后就可以正常访问了

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