Seldaek/monolog · error · UnexpectedValueException

Failed setting timeout with stream_set_timeout()

Error message

Failed setting timeout with stream_set_timeout()

What it means

Error "Failed setting timeout with stream_set_timeout()" thrown in Seldaek/monolog.

Source

Thrown at src/Monolog/Handler/SocketHandler.php:372

    }

    private function createSocketResource(): void
    {
        if ($this->isPersistent()) {
            $resource = $this->pfsockopen();
        } else {
            $resource = $this->fsockopen();
        }
        if (\is_bool($resource)) {
            throw new \UnexpectedValueException("Failed connecting to $this->connectionString ($this->errno: $this->errstr)");
        }
        $this->resource = $resource;
    }

    private function setSocketTimeout(): void
    {
        if (!$this->streamSetTimeout()) {
            throw new \UnexpectedValueException("Failed setting timeout with stream_set_timeout()");
        }
    }

    private function setStreamChunkSize(): void
    {
        if (null !== $this->chunkSize && false === $this->streamSetChunkSize()) {
            throw new \UnexpectedValueException("Failed setting chunk size with stream_set_chunk_size()");
        }
    }

    private function writeToSocket(string $data): void
    {
        $length = \strlen($data);
        $sent = 0;
        $this->lastSentBytes = $sent;
        while ($this->isConnected() && $sent < $length) {
            if (0 === $sent) {
                $chunk = $this->fwrite($data);

View on GitHub (pinned to 57eb102834)

When it happens

Trigger: Thrown at src/Monolog/Handler/SocketHandler.php:372 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Timeouts: ETIMEDOUT, deadlines, and hung requests — what actually expires when a request times out.

AI-assisted analysis of Seldaek/monolog@57eb102834 (2026-08-17). Data as JSON: /api/errors/6410246e16d80b37. Report an issue: GitHub.