A ResourcePool could not acquire a resource from its primary factory or source.
A ResourcePool could not acquire a resource from its primary factory or source.
“场景：IDEA，maven，mysql8.0”
运行报错，如下
网上的原因都是那几样，就不重复了，我这边的原因是使用的mysql5.0，版本过低，只需要更换8.0，就可以了。