application.yml报错

*记录一道错题
框架 springjpa-springboot

配置文件时报错
Failed to load property source from location ‘classpath:/application.yml’
语法什么都对
pom文件里加

      <dependency>

        <groupId>org.yaml</groupId>
        <artifactId>snakeyaml</artifactId>
        <version>1.23</version>
         </dependency>

解决