Could not create connection to database server
Could not create connection to database server,一直连接不上数据库,后面发显示mysql版本太低导致的。本地是5.1版本,阿里云上的是8.0.升级下驱动,解决
Could not create connection to database server,一直连接不上数据库,后面发显示mysql版本太低导致的。
本地是5.1版本,阿里云上的是8.0.升级下驱动,解决
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.16</version>
</dependency>
1、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.
2、jdbc_url上的时区变为必须配置,否则会启动报错。
Caused by: com.mysql.cj.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.
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