Roel Janssen <roel@gnu.org> writes:

> The "tools.jar" is only in de icedtea:jdk output.
> You might also need to set environment variable JAVA_HOME to the Guix profile
> root that contains icedtea:jdk.

Thanks, this is probably related!

However

--8<---------------cut here---------------start------------->8---
env JAVA_HOME=/home/ambrevar/.guix-extra-profiles/dev/dev ./gradlew jar
--8<---------------cut here---------------end--------------->8---

fails with the same error.

-- 
Pierre Neidhardt
https://ambrevar.xyz/