grafana/k6 · error

error setting category filter: %w

Error message

error setting category filter: %w

What it means

Error "error setting category filter: %w" thrown in grafana/k6.

Source

Thrown at internal/js/modules/k6/browser/chromium/browser_type.go:98

	logger, err := makeLogger(ctx, b.envLookupper)
	if err != nil {
		return nil, nil, nil, fmt.Errorf("error setting up logger: %w", err)
	}

	var browserOpts *common.BrowserOptions
	if isRemoteBrowser {
		browserOpts = common.NewRemoteBrowserOptions()
	} else {
		browserOpts = common.NewLocalBrowserOptions()
	}

	if err = browserOpts.Parse(ctx, logger, scenarioOpts, b.envLookupper); err != nil {
		return nil, nil, nil, fmt.Errorf("error parsing browser options: %w", err)
	}
	ctx = common.WithBrowserOptions(ctx, browserOpts)

	if err := logger.SetCategoryFilter(browserOpts.LogCategoryFilter); err != nil {
		return nil, nil, nil, fmt.Errorf("error setting category filter: %w", err)
	}
	if browserOpts.Debug {
		_ = logger.SetLevel("debug")
	}

	return ctx, browserOpts, logger, nil
}

func (b *BrowserType) initContext(ctx context.Context) context.Context {
	ctx = k6ext.WithVU(ctx, b.vu)
	ctx = k6ext.WithCustomMetrics(ctx, b.k6Metrics)
	ctx = common.WithHooks(ctx, b.hooks)
	ctx = common.WithIterationID(ctx, fmt.Sprintf("%x", b.randSrc.Uint64()))
	return ctx
}

// ConnectOverCDP attaches the k6 browser to an existing, user-managed browser
// over CDP, without requiring scenario browser options.

View on GitHub (pinned to 93accf6570)

When it happens

Trigger: Thrown at internal/js/modules/k6/browser/chromium/browser_type.go:98 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/c03c3c9657328d3a. Report an issue: GitHub.