jackc/pgx · error

unexpected message type during OAuth auth: %T

Error message

unexpected message type during OAuth auth: %T

What it means

Error "unexpected message type during OAuth auth: %T" thrown in jackc/pgx.

Source

Thrown at pgconn/auth_oauth.go:65

		errResponse := struct {
			Status              string `json:"status"`
			Scope               string `json:"scope"`
			OpenIDConfiguration string `json:"openid-configuration"`
		}{}
		err := json.Unmarshal(m.Data, &errResponse)
		if err != nil {
			return fmt.Errorf("invalid OAuth error response from server: %w", err)
		}

		// Per RFC 7628 section 3.2.3, we should send a SASLResponse which only contains \x01.
		// However, since the connection will be closed anyway, we can skip this
		return fmt.Errorf("OAuth authentication failed: %s", errResponse.Status)

	case *pgproto3.ErrorResponse:
		return ErrorResponseToPgError(m)

	default:
		return fmt.Errorf("unexpected message type during OAuth auth: %T", msg)
	}
}

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgconn/auth_oauth.go:65 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of jackc/pgx@ec1a0befd2 (2026-08-04). Data as JSON: /data/errors/8c7944715991dff7.json. Report an issue: GitHub.