Where to put alternative Kotlin compilers when using IDEA on an air-gapped network?
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I have an installation of IDEA on an air-gapped network on a Windows box. I need to continue using the 2.0.21 Kotlin compiler for now because it's the last version that supports Kotlin 1.8. In order to install IDEA 2025.x on that air-gapped network, I need to bring that specific version of the Kotlin compiler as well. Is there a way to include that as part of the installation that I bring from the connected network to the air-gapped one? By default it installs under the directory specified by %APPDATA%, but I would like a solution that isn't user-specific. I can't find how to tell IDEA to look for the kotlin-dist-for-ide directory somewhere besides the default. Any suggestions?
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Since the problem seems to be Kotlin-specific, our Kotlin team will take a look at it as soon as they get a chance.
It might take a while to receive a reply, but rest assured that your request will be addressed.
Hi! Could you please clarify at what moment the issue occurs?
For example, does IntelliJ IDEA try to download a newer Kotlin dependency version during project load or build? We need a clear scenario.
This probably will become a feature request since it seems that, currently, there is no way to customize that folder.
I want to be able to configure where IDEA looks for the compiler specified here:
So that I can install that in a single place, once, on an air-gapped network where it can't just be pulled down from the internet.
KTIJ-36116 (https://youtrack.jetbrains.com/issue/KTIJ-36116) Allow configuring a custom location for kotlin-dist-for-ide in IntelliJ IDEA installations