How to run an app headless?

[Craig Raw]

To pick up on this old thread - is a Linux x86-64 Monocle build a
possibility for a future JavaFX release? AFAIK the last JavaFX release with
this platform supported on Monocle was JavaFX 18.

Thanks,
Craig

On Fri, Jun 9, 2023 at 9:30 AM Johan Vos <johan.vos at gluonhq.com> wrote:

> The monocle classes are not included in the default
> distributions/artifact. In our downloads on
> https://gluonhq.com/products/javafx/ we have specific SDK's that include
> the Monocle classes. Note that we currently don't have automated builds for
> Linux x86-64, since we use a devkit compiled from JDK-alike sources, see
> https://github.com/gluonhq/devtoolskit/ for more info. That devkit
> unfortunately doesn't yet compile some of the native classes in monocle.
>
> The usecase where Monocle is used because users want to run an app
> headless is something I see very often. And it works. However, Monocle
> isn't really created for this, as it is more a solution for embedded
> systems.
> I think there is real value in a separate, small, first-class Glass
> platform that works headless (at the same level as gtk/mac/win) and that is
> explicitly targeting running apps in headless mode.
>
> - Johan
>
>
>
>
> On Thu, Jun 8, 2023 at 8:07 PM Thiago Milczarek Sayão <
> thiago.sayao at gmail.com> wrote:
>
>> Hi,
>>
>> I'm building javafx with:
>> ./gradlew -PincludeMonocle build
>>
>> And trying to test with:
>> java @/home/tsayao/jfx/build/run.args -Dglass.platform=Monocle
>> -Dmonocle.platform=Headless -Dprism.order=sw WindowTest.java
>>
>> But it seems monocle was not included:
>> java.lang.ClassNotFoundException:
>> com.sun.glass.ui.monocle.MonoclePlatformFactory
>>
>> Any obvious mistake?
>>
>> -- Thiago
>>
>
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