hi,
with java is OK .
I downloaded all together (jdk and NetBeans) from the Oracle site... :
----------
[angelo_dev@localhost ~]$
*java -version*
*openjdk version "1.8.0_31"OpenJDK Runtime Environment (build
1.8.0_31-b13)OpenJDK 64-Bit Server VM (build 25.31-b07, mixed mode)*
[angelo_dev@localhost ~]$ *javac -version*
*javac 1.8.0_31*
----------
After I posted the previous message I learned more ,
and now I am about sure that the problem come from the graphic environment
of Linux...
After I Installed Fedora 27 I got to use a Wayland session of gnome,
instead the usual X11 session :
if I do :
*loginctl show session 2 -p Type,*
I get
*Type=wayland*
instead that
*Type=x11* (that is the value I get on computer where is Fedora 21)
Wyland is not good environment for running the graphical program that is
used to install netBeans... (the .sh script)
So I am looking now how I can return to session X11 inside Gnome...
On Sat, Apr 21, 2018 at 12:19 AM, Samuel Sieb <samuel(a)sieb.net> wrote:
On 04/20/2018 06:22 AM, Angelo Moreschini wrote:
> [root@localhost Downloads]#*./netbeans-8.2-linux.sh <
>
http://netbeans-8.2-linux.sh>*
> Configuring the installer...
> Searching for JVM on the system...
> Extracting installation data...
> *Running the installer wizard...*
> *Can`t initialize UI
> Running in headless mode*
>
> *Exception: java.awt.HeadlessException thrown from the
> UncaughtExceptionHandler in thread "main"*
> --------------------
> This is a problem about the java environment ?
> it can be also a problem with the graphical environment of fedora ... (?)
>
An application running as root can't access the display when using Wayland.
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