Seldaek/monolog · error · UnexpectedValueException

Failed connecting to $this->connectionString ($this->errno:

Error message

Failed connecting to $this->connectionString ($this->errno: $this->errstr)

What it means

Error "Failed connecting to $this->connectionString ($this->errno: $this->errstr)" thrown in Seldaek/monolog.

Source

Thrown at src/Monolog/Handler/SocketHandler.php:364

        return $this->resource;
    }

    private function connect(): void
    {
        $this->createSocketResource();
        $this->setSocketTimeout();
        $this->setStreamChunkSize();
    }

    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()");
        }
    }

View on GitHub (pinned to 57eb102834)

When it happens

Trigger: Thrown at src/Monolog/Handler/SocketHandler.php:364 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/b9adff56925842d9. Report an issue: GitHub.