#异常
1.error getting CloudEurekaClient
解决
添加依赖

        <dependency>
          <groupId>org.glassfish.jersey.core</groupId>
          <artifactId>jersey-server</artifactId>
          <version>2.25.1</version>
      </dependency> 

2. @FeignClient 时 JAVA.LANG.NOCLASSDEFFOUNDERROR: FEIGN/FEIGN$BUILDER错
   解决

缺少了对应feign的jar包
在对应工程的pom文件中导入jar包

<dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-feign</artifactId>
</dependency>