java.sql.SQLException: validateConnection false

错误信息

详细信息

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.
ERROR [Druid-ConnectionPool-Create-316580794] - create connection error, url:jdbc:mysql://localhost:3306/ssmtest?characterEncoding=UTF-8&useSSL=false, errorCode 0, state null
java.sql.SQLException: validateConnection false
 at com.alibaba.druid.pool.DruidAbstractDataSource.validateConnection(DruidAbstractDataSource.java:1249)
 at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1474)
 at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1995)

解决

本地Mysql是版本8.0

Maven项目的mysql驱动版本是8.0.11

Druid版本是1.0.20

将Druid的版本修改为1.1.10

 
        
            mysql
            mysql-connector-java
            8.0.11
        
        
        
            com.alibaba
            druid
            1.1.10