jdk8连接mysql数据库错误

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.
2019-07-09 14:50:42.304  INFO 4196 --- [  restartedMain] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} inited

错误原因：连接数据库驱动类错误

com.mysql.jdbc.Driver》》》》》》》》》》》》》》》com.mysql.cj.jdbc.Driver

 errorCode 0, state 01S00 

错误信息：无效连接字符串

修改方法：修改连接数据库的链接

原链接

jdbc:mysql://localhost:3306/jdbcboot

修改后链接

jdbc:mysql://localhost:3306/jdbcboot?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC

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