项目场景：

SpringBoot，启动类启动BUG

问题描述：

创建启动类，启动报错了

***************************
APPLICATION FAILED TO START
***************************

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).

原因分析：

没有配置数据库，启动时候，会自动找数据库配置

解决方案：

1、添加上数据库配置
2、在启动类添加属性，默认不去加载数据库配置 (exclude = DataSourceAutoConfiguration.class)

@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
public class OSSApplication {
    public static void main(String[] args) {
        SpringApplication.run(OSSApplication.class,args);
    }
}

最后

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