1、问题：

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

2020-05-04 00:17:07.847 ERROR 6192 --- [           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).

2、原因：

配置里要有空格

 

3、解决：