I have the solution. First, open launchpad. Navigate to Automator. Open it. Then, where it says "Choose a type for your document" click, Application. Hit continue. Now, where it says Name in the search box, search Run Shell Script. Drag that over to the right. Now, in the new text box, get rid of cat, and type: export JAVA_HOME=`/usr/libexec/java_home -v 1.8` cd /Users/ java -jar TechnicLauncher.jar Where it says Users/ put the directory of the folder that TechnicLauncher.jar is in. Now, go up to file, and save. Name it whatever you want, and save it. Now open it, and it should run!