workman-Lu opened a new issue, #11315:
URL: https://github.com/apache/apisix/issues/11315
### Current Behavior
Client encounters “server misbehaving” DNS resolution error when connecting
to etcd
### Expected Behavior
_No response_
### Error Logs
_No response_
### Steps to Reproduce
## Description
When attempting to connect to the local etcd server, the client fails to
resolve the server's address, resulting in a "server misbehaving" error from
the DNS resolver.
## Steps to Reproduce
1. Start etcd server on localhost (`127.0.0.1`) at port `2379`.
2. Configure the system to use DNS server `10.10.18.11` for domain name
resolution.
3. Run etcd client to connect to the etcd server.
## Expected Behavior
The client should successfully connect to the etcd server without
encountering any DNS resolution errors.
## Observed Behavior
The client fails with the following error message:
```json
{
"level": "warn",
"ts": "2024-06-03T09:11:01.633Z",
"logger": "etcd-client",
"caller": "[email protected]/retry_interceptor.go:62",
"msg": "retrying of unary invoker failed",
"target": "etcd-endpoints://0xc0004dc000/127.0.0.1:2379",
"attempt": 0,
"error": "rpc error: code = DeadlineExceeded desc = latest balancer error:
last connection error: connection error: desc = \"transport: Error while
dialing dial tcp: lookup etcd on 10.10.18.11:53: server misbehaving\""
}
This suggests that there is an issue with the DNS resolution process using
the DNS server at 10.10.18.11.
Environment
etcd version: (e.g., v3.5.5)
OS (e.g., Linux distro, Windows version): [Your Operating System]
Network configuration: [Any relevant network config, firewall settings, etc.]
Additional Information
[Any other information that may be relevant, such as logs from the etcd
server, network diagnostic output, or attempts made to troubleshoot the issue.]
Remember that issues need to be reproducible by the maintainers, so
providing clear reproduction steps is critical. If the problem is intermittent
or cannot easily be reproduced, then it’s important to include as much context
and environmental information as possible to help diagnose the issue.
### Environment
- APISIX version (run `apisix version`):
- Operating system (run `uname -a`):
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`):
- etcd version, if relevant (run `curl
http://127.0.0.1:9090/v1/server_info`):
- APISIX Dashboard version, if relevant:
- Plugin runner version, for issues related to plugin runners:
- LuaRocks version, for installation issues (run `luarocks --version`):
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