Add this URL to your Eclipse Installation to reach this solution's update site.
This marketplace solution provides Java 12 support for Eclipse 2019-03 (4.11). To install the feature, please ensure you have the 4.11 version of Eclipse IDE installed:
The feature can also be installed via the update site:
For an informal list of examples of Java 12 features, please have a look at the following page:
Unsuccessful Installs in the last 7 Days: 12
By adding the following code below to your website you will be able to add an install button for Java 12 Support for Eclipse 2019-03 (4.11).HTML Code:
Submitted by Ugur Doksan on Mon, 2019-04-08 17:15
I have just installed Eclipse 2019-03 (4.11) and this plugin; but I am getting the same error...
In Project Facets > There is not Java 12 choice. The biggest version number for Java is 11 in Project Facets.
Submitted by Oscar Frias on Mon, 2019-04-01 02:00
Project facet Java 12 does not exist and when checking for updates these packages keep appearing with Size 0 bytes:
Submitted by Jay Arthanareeswaran on Tue, 2019-04-02 01:47
I just tried to install via the marketplace entry on the following build:
and the installation went fine. Which build are you trying to install?
Can you also try the following update site directly?
Submitted by Giovanni Lovato on Tue, 2019-04-09 02:19
The installation goes fine, but then when you import a Java 12 Maven project you get that error. Did you try with a Maven project?
Submitted by Giovanni Lovato on Fri, 2019-03-22 19:15
I've installed Java 12 but I keep getting this error: Version 12 of project facet java does not exist.
Submitted by Jose Luis Leon on Sun, 2019-05-12 20:13
It seems to be a bug with Eclipse WTP. Apparently they forgot to add support for Java 12: https://bugs.eclipse.org/bugs/show_bug.cgi?id=546798