JDTLS Launcher was a simple script that allowed you to easily install and execute Eclipse's JDT Language Server. It included awesome features like updates, and backups, and Lombok configuration.
As better alternatives keep appearing, this project was archived on September 17 2023.
This script works and will continue working for a while, but if you run into any issues I suggest migrating to your favorite package manager. Some examples:
Remove symlink and jdtls-launcher directory with rm -rf.
dirname $(realpath jdtls)where jdtls or which jdtls