Intellij Idea to use maven submodules from repo/jar instead source (to workaround Scala bug)

My maven layout is similar to:

Parent
  - ChildJ
  - ChildS

ChildJ contains Java code (code generated via the Google Protobuf Java compiler) ChildS contains Scala code

When using pure maven, I install ChildJ to the repository, and then ChildS compiles just fine.

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When using idea and telling to compile module ChildS, it seems to gather the dependencies itself and passes them to the Scala compiler. Normally this should be ok, but since a subtle Java/Scala cooperation issue, the compiler bails out.

So, can I tell IntelliJ to use ChildJ either from the repository, or compile it separately using javac and pass in the class files/jar as dependency?

Note: Might be related to IntelliJ IDEA: Maven, project compilation and deployment