Github user mmiklavc commented on the issue: https://github.com/apache/incubator-metron/pull/538 Further, the reason that install worked is not because it needs the artifacts in the cache, per se. It's because of something in the way our multi-module build is structured that isn't allowing artifacts in the metron-deployment project hierarchy to see projects in metron-platform. The reason "package" would normally work on a typical build (without ever having done an install) is because sibling modules are able to reference the pom info of each other, and therefore the appropriate target directories containing the standard build artifacts, e.g. jars.
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