2020-11-18

APPLICATION FAILED TO START
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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)

这个问题困绕好久，网上的方法大多不好用，最后在一个评论区看到的解决方法，留存！

因为idea没有指定resource目录，导致启动时没读取到配置文件

方法：右击resource文件夹 -> MarkDirectory as ->Sources Root