Spring Boot数据源报错：Failed to configure a DataSource: ‘url‘ att

Spring Boot启动报错：

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).           

出现这样的问题有几种可能:

• 检查项目配置文件的数据源配置是否正确
• 如果是不需要数据源的项目，没有数据源配置，就需要检查pom文件是否引入下面两个包

<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jdbc</artifactId>
        </dependency>           

需要在springboot启动类上增加配置数据源DataSourceAutoConfiguration

<dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>${druid.version}</version>
        </dependency>           

需要在springboot启动类上配置忽略数据源DruidDataSourceAutoConfigure

或者两者都有：

@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class, DruidDataSourceAutoConfigure.class})           

好的，到这里就完全解决了因为数据源的问题而无法启动服务了~~~