1.我的情况:

实践 springCloud , 启动了注册中心 eureka、也启动了 服务生产者、服务消费者。

eureka 端口: 1234,

生产者端口有 2 个: 8801、8802

消费者端口:8701 。

在浏览器访问注册中心,提示有 2 个服务生产者已注册 :

解决:There was an unexpected error (type=Internal Server Error,..). No instances available for XXX

单独访问生产者接口也成功:

 解决:There was an unexpected error (type=Internal Server Error,..). No instances available for XXX

访问服务消费者的接口失败:

解决:There was an unexpected error (type=Internal Server Error,..). No instances available for XXX

2. 原因:

消费者启动类少了注解: @EnableDiscoveryClient

3. 解决:

加上注解:

解决:There was an unexpected error (type=Internal Server Error,..). No instances available for XXX

成功识别到那 2 个已注册的生产者:

解决:There was an unexpected error (type=Internal Server Error,..). No instances available for XXX

接口访问成功:

解决:There was an unexpected error (type=Internal Server Error,..). No instances available for XXX

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