org.apache.ibatis.exceptions.PersistenceException: \r\n### Error querying database. Cause:

版权声明：柠檬乐园：200145783 https://blog.csdn.net/u014431237/article/details/84192217

额，以前没遇到过呃呃呃，换包解决。

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.46</version>
</dependency>