microsoft/playwright · error · Error

Service Worker requests do not have an associated frame.

Error message

Service Worker requests do not have an associated frame.

What it means

Error "Service Worker requests do not have an associated frame." thrown in microsoft/playwright.

Source

Thrown at packages/playwright-core/src/client/network.ts:216

    return (await this._actualHeaders()).get(name);
  }

  async response(): Promise<Response | null> {
    return Response.fromNullable((await this._channel.response({}, kNoTimeout)).response);
  }

  async _internalResponse(): Promise<Response | null> {
    return Response.fromNullable((await this._channel.response({}, kNoTimeout)).response);
  }

  existingResponse(): Response | null {
    return this._response;
  }

  frame(): Frame {
    if (!this._initializer.frame) {
      assert(this.serviceWorker());
      throw new Error('Service Worker requests do not have an associated frame.');
    }
    const frame = Frame.from(this._initializer.frame);
    if (!frame._page) {
      throw new Error([
        'Frame for this navigation request is not available, because the request',
        'was issued before the frame is created. You can check whether the request',
        'is a navigation request by calling isNavigationRequest() method.',
      ].join('\n'));
    }
    return frame;
  }

  _safePage(): Page | null {
    return Frame.fromNullable(this._initializer.frame)?._page || null;
  }

  serviceWorker(): Worker | null {
    return this._initializer.serviceWorker ? Worker.from(this._initializer.serviceWorker) : null;

View on GitHub (pinned to c8fc3bf8d3)

When it happens

Trigger: Thrown at packages/playwright-core/src/client/network.ts:216 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/playwright@c8fc3bf8d3 (2026-08-12). Data as JSON: /api/errors/c2c153a1ecb5ba7d. Report an issue: GitHub.