sekfung opened a new issue #5733: URL: https://github.com/apache/apisix/issues/5733
### Issue description **error log** ```log [error] 48#48: *2240177 connect() failed (111: Connection refused) while connecting to upstream [lua] balancer.lua:327: run(): failed to pick server: failed to find valid upstream server, all upstream servers tried while connecting to upstream ``` It can work sometimes, I try to increase times of retry for the route, but it can't solve this problem at all. ### Environment - apisix version (cmd: `apisix version`): 2.10.1 - OS (cmd: `uname -a`): Linux apisix-6df8748bf6-v5hnb 4.14.105-19-0022 - 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): etcd Version: 3.4.16 - apisix-dashboard version, if have: - the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner): - luarocks version, if the issue is about installation (cmd: `luarocks --version`): -- 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. To unsubscribe, e-mail: notifications-unsubscr...@apisix.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
