HKUDS/nanobot · error · OSError

Could not resolve {host}

Error message

Could not resolve {host}

What it means

Error "Could not resolve {host}" thrown in HKUDS/nanobot.

Source

Thrown at nanobot/channels/validation.py:382

        allow_loopback=allow_loopback,
    )
    if not ok:
        raise ValueError(error)

    context = ssl.create_default_context()
    last_error: OSError | None = None
    for target_ip in resolved_ips:
        try:
            with socket.create_connection((target_ip, port), timeout=_TIMEOUT_SECONDS) as sock:
                if port in {465, 993, 995}:
                    with context.wrap_socket(sock, server_hostname=host.strip("[]")):
                        return
                return
        except OSError as exc:
            last_error = exc
    if last_error is not None:
        raise last_error
    raise OSError(f"Could not resolve {host}")


# Public helpers for channel-owned validators. Keeping response shaping here lets
# each package own its platform checks without depending on WebUI implementation
# modules.
check = _check
enabled = _enabled
http_get = _http_get
http_post = _http_post
int_value = _int
message_from_response = _message_from_response
official_action = _official_action
payload = _payload
probe_tcp = _probe_tcp
required_checks = _required_checks
status_from_checks = _status_from_checks
string_value = _str
truthy = _truthy

View on GitHub (pinned to 42f37dc4c0)

When it happens

Trigger: Thrown at nanobot/channels/validation.py:382 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/nanobot@42f37dc4c0 (2026-08-26). Data as JSON: /api/errors/f740488c011abdb5. Report an issue: GitHub.