配置springcloud config出现Failed to configure a DataSource: 'url' attribute is not specified and no embe

配置springcloud config报错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
很可能是没有引入springcloud config的依赖

 <!--config依赖-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-config</artifactId>
            <version>2.1.1.RELEASE</version>
        </dependency>