rockXiaofeng opened a new issue #3725: URL: https://github.com/apache/apisix/issues/3725
### Issue description client: curl gateway: Apisix/2.3 provider server: helloworld/dubbo/go-server/app (http://github.com/dubbogo/dubbo-samples) Refer to this document: https://github.com/apache/apisix/blob/master/docs/en/latest/plugins/dubbo-proxy.md to configure upstream and router, the provider configuration is as follows(test/server.yml): application: organization : "ikurento.com" name : "BDTService" module : "dubbogo user-info server" version : "0.0.1" owner : "ZX" environment : "test" registries : "hangzhouzk": protocol: "etcdv3" timeout : "3s" address: "127.0.0.1:2379" username: "" password: "" services: "UserProvider": registry: "hangzhouzk" protocol : "dubbo" interface : "com.ikurento.user.UserProvider" loadbalance: "random" warmup: "100" cluster: "failover" methods: - name: "GetUser" retries: 1 loadbalance: "random" protocols: "dubbo": name: "dubbo" # ip : "127.0.0.1" port: 20000 The configuration of upstream and router is as follows: curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d ' { "uris": [ "/hello" ], "plugins": { "dubbo-proxy": { "service_name": "UserProvider", "service_version": "0.0.1", "method": "GetUser" } }, "upstream_id": 1 }' curl http://127.0.0.1:9080/apisix/admin/upstream/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d ' { "nodes": { "127.0.0.1:20000": 1 }, "type": "roundrobin" }' Get 500 Internal Server Error after requesting the api (from apisix error log): 2021/03/02 15:02:10 [error] 11720#143808: *1646577 lua entry thread aborted: runtime error: .../apisix7/apisix/apisix/plugins/dubbo-proxy.lua:58: variable "dubbo_service_name" not found for writing; maybe it is a built-in variable that is not changeable or you forgot to use "set $dubbo_service_name '';" in the config file to define it first stack traceback: coroutine 0: [C]: in function 'error' /usr/local/openresty/lualib/resty/core/var.lua:144: in function '__newindex' ...eng/myCode/apisix7/apisix/apisix/plugins/dubbo-proxy.lua:58: in function 'phase_func' .../apisix7/apisix/apisix/plugin.lua:661: in function 'run_plugin' .../apisix7/apisix/apisix/init.lua:446: in function 'http_access_phase' access_by_lua(nginx.conf:209):2: in main chunk, client: ::1, server: , request: "GET /hello HTTP/1.1", host: "localhost:9080" ### Environment * apisix version (cmd: `apisix version`): 2.3 * OS (cmd: `uname -a`): Darwin Kernel Version 20.1.0 * OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`): openresty/1.19.3.1 * etcd version, if have (cmd: run `curl http://127.0.0.1:9090/v1/server_info` to get the info from server-info API): 3.5.0 * apisix-dashboard version, if have: 2.4 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
