Re: [F4F-experimenters] Jfed error after installing Jfed on macOS Sonoma version 14.1.2

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Wim Van de Meerssche

Jan 2, 2024, 7:52:44 AMJan 2
to Vincent Charpentier,

There's a new version of jFed. It's unlikely this fixes your problem, but it's worth a try:

If jFed doesn't work using the mac installer, you can always try the following workaround:
- Install a recent java (java 14 or newer)
- Download jfed_gui.tar.gz from, untar it and manually start jFed

Best Regards,
Wim Van de Meerssche

On Wed, Dec 13, 2023 at 6:01 PM Vincent Charpentier <> wrote:

Hi Jfed support

I am trying to install Jfed . However, after the installation is successfully completed when I then try to launch Jfed I get immediately the following error:

java.lang.RuntimeException: No toolkit found
  at com.sun.javafx.application.PlatformImpl.startup(
  at com.sun.javafx.application.PlatformImpl.startup(
  at com.sun.javafx.application.LauncherImpl.startToolkit(
  at com.sun.javafx.application.LauncherImpl.launchApplication1(
  at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(
  at java.base/

 I am trying to install Jfed on a Mac with macOS Sonoma version 14.1.2

Any support would be great!


Kind regards

Vincent Charpentier

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