springcloud eureka unavailable-replicas和available-replicas

eureka集群available-replicas不为空需满足如下条件:
1.不能用localhost比如:
eureka.client.serviceUrl.defaultZone=http://localhost:2222/eureka/
要采用:
eureka.instance.hostname=master
eureka.client.serviceUrl.defaultZone=http://backup:2222/eureka/
===================
eureka.instance.hostname=backup
eureka.client.serviceUrl.defaultZone=http://master:1111/eureka/
2.spring.application.name或eureka.instance.appname必须一致。
3.相互注册要开启:
eureka.client.register-with-eureka=true
eureka.client.fetch-registry=true

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转载自chenja.iteye.com/blog/2375104