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omnip620 / node-zookeeper-dubbo

A middleware helps node to communicate dubbo by using its default protocol, which is registered in zookeeper
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[no available connection] 项目启动成功后，后端发版本有可能出现连接报错 #106

Closed px0078 closed 5 years ago

px0078 commented 5 years ago

报错后就连不上dubbo了，需要重启项目。可能是后端重新发布dubbo引起的。有办法解决吗

2019-07-18 10:06:11,123 ERROR 17852 [-/192.168.1.20/-/52ms GET /api/appModel?pageIndex=1&pageSize=10] nodejs.ConnectionPoolError: no available connection at Dispatcher.gain (/mnt/jenkins/workspace/test-new-admin-web/node_modules/node-zookeeper-dubbo/libs/socket.js:160:15) at Dispatcher.gain (/mnt/jenkins/workspace/test-new-admin-web/node_modules/node-zookeeper-dubbo/libs/socket.js:166:19) at Dispatcher.gain (/mnt/jenkins/workspace/test-new-admin-web/node_modules/node-zookeeper-dubbo/libs/socket.js:166:19) at Dispatcher.gain (/mnt/jenkins/workspace/test-new-admin-web/node_modules/node-zookeeper-dubbo/libs/socket.js:166:19) at Service.[execute] (/mnt/jenkins/workspace/test-new-admin-web/node_modules/node-zookeeper-dubbo/libs/service.js:56:21) at Promise (/mnt/jenkins/workspace/test-new-admin-web/node_modules/node-zookeeper-dubbo/libs/service.js:44:62) at new Promise (<anonymous>) at Service.(anonymous function).args [as list] (/mnt/jenkins/workspace/test-new-admin-web/node_modules/node-zookeeper-dubbo/libs/service.js:44:16) at appModelService.list (/mnt/jenkins/workspace/test-new-admin-web/app/service/dubbo/appModel.js:7:42) at dubboAppModelController.index (/mnt/jenkins/workspace/test-new-admin-web/app/controller/dubbo/appModel.js:38:79) at Object.callFn (/mnt/jenkins/workspace/test-new-admin-web/node_modules/egg-core/lib/utils/index.js:44:21) at Object.classControllerMiddleware (/mnt/jenkins/workspace/test-new-admin-web/node_modules/egg-core/lib/loader/mixin/controller.js:87:20) at Object.callFn (/mnt/jenkins/workspace/test-new-admin-web/node_modules/@eggjs/router/lib/utils.js:12:21) at wrappedController (/mnt/jenkins/workspace/test-new-admin-web/node_modules/@eggjs/router/lib/egg_router.js:322:18) at dispatch (/mnt/jenkins/workspace/test-new-admin-web/node_modules/@eggjs/router/node_modules/koa-compose/index.js:44:32) at next (/mnt/jenkins/workspace/test-new-admin-web/node_modules/@eggjs/router/node_modules/koa-compose/index.js:45:18) code: "100" message: "no available connection" name: "ConnectionPoolError" pid: 17852 hostname: izuf60kjjp5yc633ubdsmuz

aafnnp commented 5 years ago

同样的问题，咋解决

px0078 commented 5 years ago

换第二版了

zjfcgis commented 4 years ago

同样的问题，经过初步排查是后端发布dubbo服务时，zk会将所有服务地址重新下发，nzd会丢弃之前的连接重新连接所有服务新地址。