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I have created an Ubuntu 22.04 virtual machine in virtual box and I tried to see how a b4j app I hav...
link: /forum/threads/b4j-graphical-user-interface-error-with-linux-wayland.140133/#post-887565 2. Run...
link: . #WaylandEnable=false --> remove # 3. In section add: DefaultSession=gnome-xorg.desktop 4. Reboot I would...
link: Are you using the latest version of Ubuntu Jammy? By default you should have logged in to Wayland...

Hi, I'm using B4JPackager11 to export packages (GUI) in Linux desktop. My export works very well in Archlinux Xfce/X11 but fails with Ubuntu 21.10 Wayland based. (java:6154): Gdk-CRITICAL **: 13....txt -m b4j/b4j.MyFirstProgram.main Wayland is the future in Linux desktop so I think it's useful...
link: Now it works. Thank you...
link: This is not a bug in B4J. It is an incompatibility with OpenJDK 11. Worth trying with OpenJDK 14: https://www.b4x.com/android/forum/t...

/solved-wayland-to-x11-error-in-ubuntu-22-04-with-jdk-11-0-1.141090/#post-893856 But such start...

It is a Wayland issue. On X11 it works correctly. I changed the compatibility to "gnome classic at xorg" (it has to be installed also) and I ran the test command: echo $XDG_SESSION_TYPE I tried different versions of gnome and when it displayed X11 instead of "wayland"...
link: works differently than Crtl+v. But it's not new enough to have been tailored for Wayland, so fingers...
link: works differently than Crtl+v. But it's not new enough to have been tailored for Wayland, so...

B4J installed, starts but the menu is black to choose from the menu. If you are using Gnome WM, try logout and use X11 session. It seems Wayland is still buggy. If anyone not sure what I mean, in the login screen, click your user name and the Gnome Display Manager (GDM) will show the password screen. Don't enter your password but click on the gear button appeared at the bottom right of the screen. Choose GNOME with Xorg from the options. Enter your password and press Enter. When...

Not sure this is related, I have problem running GUI app in new Linux with Wayland. I switch to X.org session and the issue is resolved....

You can do it on any distribution. The problem is running B4X on Linux. See the thread for Mint https://www.b4x.com/android/forum/threads/b4x-using-running-b4a-and-or-b4j-on-64-bit-linux-mint-20-2-cinnamon-with-64-bit-wine.134069/ However, I was never able to get B4J to run properly on Fedora 42. Now most distributions are switching to the Wayland graphics server which has problems instead of X11. So I went a slightly different route, using QEMU Virtio's KVM. I've described it in...

(java:6047): Gdk-CRITICAL **: 10:46:03.431: gdk_x11_display_set_window_scale: assertion 'GDK_IS_X11_DISPLAY (display)' failed It seems the problem with OpenJDK11 with Wayland display server. The workaround is execute java command as: java -Djdk.gtk.version=2 ... https://stackoverflow.com/questions/60801629/arch-linux-java-critical-error-executing-jar...
link: It seems the problem with OpenJDK11 with Wayland display server. The workaround is execute java...

Have you tested it on Linux? Hi there.. today found time and tested at Ubuntu 22 (after tricking wayland, install openjdk 14, etc)... Well the Windows version... using jna... so all these must transformed to linux-like commands... with some "IF" tried... bypass some of features... get it worked without capturing, so need to find a good compatible option to capture screen (when it is host)... When it is a client at ubuntu... seems that getting image from host... but something...