Seldaek/monolog · error · LogicException

No UDP socket could be opened

Error message

No UDP socket could be opened

What it means

Error "No UDP socket could be opened" thrown in Seldaek/monolog.

Source

Thrown at src/Monolog/Handler/CubeHandler.php:143

        $data['data'] = $context;
        $data['data']['level'] = $record->level;

        if ($this->scheme === 'http') {
            $this->writeHttp(Utils::jsonEncode($data));
        } else {
            $this->writeUdp(Utils::jsonEncode($data));
        }
    }

    private function writeUdp(string $data): void
    {
        if (null === $this->udpConnection) {
            $this->connectUdp();
        }

        if (null === $this->udpConnection) {
            throw new \LogicException('No UDP socket could be opened');
        }

        socket_send($this->udpConnection, $data, \strlen($data), 0);
    }

    private function writeHttp(string $data): void
    {
        if (null === $this->httpConnection) {
            $this->connectHttp();
        }

        if (null === $this->httpConnection) {
            throw new \LogicException('No connection could be established');
        }

        curl_setopt($this->httpConnection, CURLOPT_POSTFIELDS, '['.$data.']');
        curl_setopt($this->httpConnection, CURLOPT_HTTPHEADER, [
            'Content-Type: application/json',

View on GitHub (pinned to 57eb102834)

When it happens

Trigger: Thrown at src/Monolog/Handler/CubeHandler.php:143 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Seldaek/monolog@57eb102834 (2026-08-17). Data as JSON: /api/errors/922db524b654b353. Report an issue: GitHub.