To give more context to the problem here is the warning/error maven throws when attempting to fetch a dependency contained within the Sci-Java repository.
[WARNING] net.minidev:json-smart/maven-metadata.xml failed to transfer from
https://maven.scijava.org/content/groups/public during a previous attempt. This failure was cached in the local repository and resolution will not be reattempted until the update interval of scijava.public has elapsed or updates are forced. Original error: Could not transfer metadata net.minidev:json-smart/maven-metadata.xml from/to scijava.public (
https://maven.scijava.org/content/groups/public): Connect to
maven.scijava.org:443 [
maven.scijava.org/144.92.48.196] failed: Read timed out
[ERROR] Rule 0: org.apache.maven.plugins.enforcer.DependencyConvergence failed with message: