Access denied for user XX

 解决方法：将pom.xml中的mysql-connector-java降低版本（直接去maven仓库复制：https://mvnrepository.com/），比如：

<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.4</version>
</dependency>