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使用 p2p-service,必须在 application.properties,同时通过 rsocket.routes[0] 指定 provider 才生效 #223

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songshuohua opened this issue Mar 13, 2023 · 1 comment

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@songshuohua
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songshuohua commented Mar 13, 2023

Describe the bug
RSocketAutoConfiguration 中,UpstreamManager 早于 CloudEventsProcessor 实例化。前者初始化时,会创建与 broker 的连接,如果 requester 指定了 p2pService,与 broker 建立连接的同时,broker 会立即推送 ServiceInstancesChangedEvent 给当前 App。但此时 CloudEventsProcessor 尚未实例化,无法消费事件,故 UpstreamManager 无法在应用启动时更新 p2pservice 的相关 cluster。

Environment

  • Alibaba RSocket Broker version: 1.1.4
  • Operating System version: Mac
  • Java version: 11.0.7

在目前使用中,我是通过如下方式暂时规避该问题:
在 requester 的 application.properties 中,除了 p2p-services,同时使用 rsocket.routes[0] 指定服务提供方的路由信息。后续如有新的provider 上线,requester 可以通过 CloudEventsProcessor 消费 ServiceInstancesChangedEvent,完成 UpstreamManager 的更新

rsocket.p2p-services=com.alibaba.user.UserService:1.0.0
rsocket.routes[0].service=com.alibaba.user.UserService
rsocket.routes[0].version=1.0.0
rsocket.routes[0].uris=tcp://localhost:19999

大佬 @linux-china ,不知是否是我的理解有偏差,可有更直接的办法使用 p2p-services,毕竟通过 rsocket.routes[0] 方式,需要提前知晓 provider 的 url 才行

@linux-china
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这个我确认一下再同步给你,感谢!

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