Playwright GRID (experimental Grid support) - How to use?

Question

I am able to start the grid server and able to register the agents. But below code is failing with 400 error. Exception in thread "main" com.microsoft.playwright.PlaywrightException: Error { message='WebSocket error: Unexpected server response: 400 code=1006 reason=

Playwright.create().chromium().connect("ws://localhost:3333/").newPage();