gradle unable to find library in IntelliJ

The error is caused by how flatDir dependencies are resolved and how the dependency is declared.

With a flatDir repository, Gradle does not use Maven-style metadata. When you declare:

implementation name: "juror-common-${version}"

Gradle tries to resolve multiple variants (including -sources.jar), which leads to this lookup:

juror-common-2.17.5-sources.jar

Since only juror-common-2.17.5.jar exists in ../jars, resolution fails.

Correct ways to fix this

Declare the local JAR explicitly (recommended)

This avoids flatDir resolution issues entirely:

You can then remove flatDir from repositories.

This is a known limitation of flatDir repositories, which is why they are discouraged in Gradle documentation.