Boilerplate for Java Spark using React & Redux
Java part:
mvn install
JS part:
cd src/main/frontend && npm install
Now you can start the server :) It will boot up webpack automatically...
You'll need to use Open project... and choose pom.xml as a project file.
You need to set language level to JSX Harmony for JavaScript.
Also, consider using ESLint instead of built-in linter.