sipeed/picoclaw · error

failed to marshal response: %w

Error message

failed to marshal response: %w

What it means

Error "failed to marshal response: %w" thrown in sipeed/picoclaw.

Source

Thrown at pkg/channels/maixcam/maixcam.go:274

	c.clientsMux.RLock()
	defer c.clientsMux.RUnlock()

	if len(c.clients) == 0 {
		logger.WarnC("maixcam", "No MaixCam devices connected")
		return nil, fmt.Errorf("no connected MaixCam devices")
	}

	response := map[string]any{
		"type":      "command",
		"timestamp": float64(0),
		"message":   msg.Content,
		"chat_id":   msg.ChatID,
	}

	data, err := json.Marshal(response)
	if err != nil {
		return nil, fmt.Errorf("failed to marshal response: %w", err)
	}

	var sendErr error
	for conn := range c.clients {
		_ = conn.SetWriteDeadline(time.Now().Add(10 * time.Second))
		if _, err := conn.Write(data); err != nil {
			logger.ErrorCF("maixcam", "Failed to send to client", map[string]any{
				"client": conn.RemoteAddr().String(),
				"error":  err.Error(),
			})
			sendErr = fmt.Errorf("maixcam send: %w", channels.ErrTemporary)
		}
		_ = conn.SetWriteDeadline(time.Time{})
	}

	return nil, sendErr
}

View on GitHub (pinned to 49183d7e8d)

When it happens

Trigger: Thrown at pkg/channels/maixcam/maixcam.go:274 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of sipeed/picoclaw@49183d7e8d (2026-08-15). Data as JSON: /api/errors/d3c4161f558a5553. Report an issue: GitHub.