Validating duplicate config properties

Open

#7,882 opened on Dec 8, 2021 2 comments 2 reactions 1 assignee Claimed by @gibbonjj View on GitHub

good first issue

Description

We had a situation where defining `controller.data.dir` twice leads to the values being concatenated.

It would probably be better if an exception was thrown telling the user to only set the property once.

This issue has not been assessed yet.