spring boot 新建项目后运行有错To display the conditions report re-run your application with 'debug' enabled.

错误：

ror starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-10-19 20:42:26.644 ERROR 3172 --- [           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

 

 

解决方法：在启动类中加一个   

@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})