• 无数据源

前期测试的时候没有配置数据源，就会报数据源找不到的错误

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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

解决方案
启动注解上加上去除数据源
@SpringBootApplication(exclude= {DataSourceAutoConfiguration.class})