Juozas

Got this on my Ubuntu 18.04 install too, made a gdb backtrace (built with `-DCMAKE_BUILD_TYPE=Debug` in `cmake` command line): ``` (gdb) r Starting program: /home/juozas/test/Craft/craft [Thread debugging using libthread_db enabled]...

Try adoptium build of java 8 (temurin). It works fine for me on my Ubuntu installation where official Ubuntu build would be broken as it's headless. Launcher starts up fine...

To install adoptium build on Linux based system you need to follow instructions on https://adoptium.net/installation/linux/ On newer Ubuntu releases you might also encounter some problems, this can be avoided by...

The jar can be called using `/usr/lib/jvm/temurin-8-jdk-amd64/bin/java -jar /path/to/betacraft.jar` on amd64, don't use default `java` command, also no tarballs are needed, it works fine w/o that on my Ubuntu install.

You're right it's still an issue that it doesn't work with Ubuntu openjdk but as for me using temurin jdk with it is enough and the launcher works also game...

Tested the artifact jar generated by Github Actions using ubuntu jdk 8; Launcher works and game is playable. No major problems yet.

What minecraft & launcher versions, error messages if any, what configuration, jdk build, does the launcher window show? Do you have any other java installed? Make sure you run using...

Try earlier Java version such as Java 8 or different build such as ~AdoptOpenJDK~Adoptium/Temurin Java. It might work better than a newer and/or different Java build that might not have...

I can access server list w/o problems. Maybe your specific configuration could be broken or there was downtime, no problems on my side. 500 means `Internal Server Error`, something must...

I'm not sure what the you meen by project directory, but I do confirm that I run the game from the main open-builder folder (where folders such as bin, cmake*,...