grafana/k6 · error

getting full page size: %w

Error message

getting full page size: %w

What it means

Error "getting full page size: %w" thrown in grafana/k6.

Source

Thrown at internal/js/modules/k6/browser/common/screenshotter.go:375

func (s *screenshotter) screenshotPage(p *Page, opts *PageScreenshotOptions) ([]byte, error) {
	format := opts.Format

	// Infer file format by path
	if opts.Path != "" && opts.Format != "png" && opts.Format != "jpeg" {
		if strings.HasSuffix(opts.Path, ".jpg") || strings.HasSuffix(opts.Path, ".jpeg") {
			format = "jpeg"
		}
	}

	viewportSize, originalViewportSize, err := s.originalViewportSize(p)
	if err != nil {
		return nil, fmt.Errorf("getting original viewport size: %w", err)
	}

	if opts.FullPage { //nolint:nestif
		fullPageSize, err := s.fullPageSize(p)
		if err != nil {
			return nil, fmt.Errorf("getting full page size: %w", err)
		}
		documentRect := &Rect{
			X:      0,
			Y:      0,
			Width:  fullPageSize.Width,
			Height: fullPageSize.Height,
		}
		var overriddenViewportSize *Size
		fitsViewport := fullPageSize.Width <= viewportSize.Width && fullPageSize.Height <= viewportSize.Height
		if !fitsViewport {
			overriddenViewportSize = fullPageSize
			if err := p.setViewportSize(overriddenViewportSize); err != nil {
				return nil, fmt.Errorf("setting viewport size to %s: %w",
					overriddenViewportSize, err)
			}
		}
		if opts.Clip != nil {
			documentRect, err = s.trimClipToSize(&Rect{

View on GitHub (pinned to 93accf6570)

When it happens

Trigger: Thrown at internal/js/modules/k6/browser/common/screenshotter.go:375 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of grafana/k6@93accf6570 (2026-08-15). Data as JSON: /api/errors/4d2bb1cd6e1aa828. Report an issue: GitHub.