记录遇到的问题

bug1:

Description:

Cannot determine embedded database driver class for database type NONE

Action:

If you want an embedded database please put a supported one on the classpath. 
If you have database settings to be loaded from a particular profile 
you may need to active it (no profiles are currently active).

因为之前用这个项目，跟着以为博主尝试连接mysql，依赖中有以下内容，就报错了，删掉即可。

<!-- spring-data-jpa -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>