“Cannot start compilation: the output path is not specified for module…”

Question

I have a very simple Java + Gradle project. It builds fine. It runs fine from the shell with \"gradle run\". However, if I try to run inside of IntelliJ, I get:

Answer 1

You just have to go to your Module settings > Project and specify a "Project compiler output" and make your modules inherit from project. (For that go to Modules > Paths > Inherit project.

This did the trick for me.