1731lin opened a new issue #2812: URL: https://github.com/apache/apisix/issues/2812
### Issue description [root@localhost example]# curl http://127.0.0.1:9080/apisix/plugin/wolf-rbac/login -i -H "Content-Type: application/json" -d '{"appid": "restful-demo", "username":"root", "password":"wolf-123456"}' HTTP/1.1 500 Internal Server Error Date: Sat, 21 Nov 2020 03:43:33 GMT Content-Type: text/plain Transfer-Encoding: chunked Connection: keep-alive Server: APISIX web server {"message":"request to wolf-server failed! connection refused"} ### Environment * apisix version (cmd: `apisix version`):1.5 * OS:centos7 ### Minimal test code / Steps to reproduce the issue 1.https://github.com/vinsonzou/apisix-plugin-rbac 2. 3. ### What's the actual result? (including assertion message & call stack if applicable) I followed the github steps and I had this problem,{"message":"request to wolf-server failed! connection refused"} ### What's the expected result? get token {"rbac_token":"V1#restful#eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6NzQ5LCJ1c2VybmFtZSI6InRlc3QiLCJtYW5hZ2VyIjoiIiwiYXBwaWQiOiJyZXN0ZnVsIiwiaWF0IjoxNTc4ODIzNzQ3LCJleHAiOjE1Nzk0Mjg1NDd9.4rGPHv9hWPZ4G0p2F82gQciY8WIE2qdYNvAT_22X_Co","user_info":{"nickname":"test","username":"test","id":"749"}} ---------------------------------------------------------------- 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: us...@infra.apache.org
