For ‘mall-coupon‘ URL not provided. Will try picking an instance via load-balancing. org.springfram

使用openfeign服务调用时报错：

For 'mall-coupon' URL not provided. Will try picking an instance via load-balancing.

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'umsMemberController': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.biienu.mallshop.member.feign.CouponAll': Unexpected exception during bean creation; nested exception is java.lang.IllegalStateException: No Feign Client for loadBalancing defined. Did you forget to include spring-cloud-starter-loadbalancer?

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原因：最新版OpenFeign不包含LoadBalancer

解决：

pom文件加入LoadBalancer依赖:

    org.springframework.cloud
    spring-cloud-loadbalancer
    3.1.1