RFR: 8263322: Deadlock when calling Application.launch in the FXThread after Platform.startup

[Kevin Rushforth]

On Wed, 10 Mar 2021 13:54:14 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> * Initalize the FX runtime via Platform.startup and then launch an Application on another thread (should throw ISE)

That should be:

* Initalize the FX runtime via Platform.startup and then launch an Application on the FX Application thread (should throw ISE)

-------------

PR: https://git.openjdk.java.net/jfx/pull/421