Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_43779793/article/details/105043300

错误信息：

Description:

Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.

Reason: Failed to determine a suitable driver class


Action:

Consider the following:
    If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
    If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).

问题解决方案
问题原因: Mybatis没有找到合适的加载类,其实是大部分spring - datasource - url没有加载成功,分析原因如下所示.

DataSourceAutoConfiguration会自动加载.

没有配置spring - datasource - url 属性.

spring - datasource - url 配置的地址格式有问题.

配置 spring - datasource - url的文件没有加载.

profiles文件夹名称冲突

问题解决：在application.properties/或者application.yml文件中没有添加数据库配置信息

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/school?useUnicode=true&characterEncoding=UTF-8&useSSL=false
    username: root
    password: root
    driverClassName: com.mysql.jdbc.Driver