When running java -jar HyperCon.jar java -version openjdk version "1.8.0_232" OpenJDK Runtime Environment (build 1.8.0_232-8u232-b09-1~deb9u1-b09) OpenJDK Client VM (build 25.232-b09, mixed mode) Downloading from https://downloads.sourceforge.net/project/hyperion-project/hypercon/HyperCon.jar via [email protected] 10 or [email protected]