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

Error starting ApplicationContext. To display the conditions report re-run your application with ‘debug‘ enabled.
2021-05-12 16:29:24.984 ERROR 17880 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

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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).


Process finished with exit code 1

报错原因：未扫描到数据库配置文件，我是application.properties

解决方法：在pom里加上扫描语句，需要扫描什么后缀加什么

    
        src/main/java
        
            **/*.yml
            **/*.properties
            **/*.xml
        
        false
    
    
        src/main/resources
        
            **/*.yml
            **/*.properties
            **/*.xml
        
        false
    

原文：https://www.cnblogs.com/yiyuzi/p/14760459.html