mvn install deletes source file (outside of normal src tree)
So my first failed attempt: I have a build that works on the first try, but deletes require.js in the process so that subsequent builds fail. My directory structure is vanilla AFAICT, except that require.js is located at <project root>/deps/require.js. My pom.xml is vanilla.
I'm not using almond.js in this revision. The file <project root>/src/main/resources/game.html has this script: