Github user andreaTP commented on the issue: https://github.com/apache/zeppelin/pull/2483 yes of course @felixcheung , basically I'm exposing through maven properties the ability for users to customize where to download from certain packets that are normally downloaded from very specific internet resources. In this way one can build zeppelin from sources specifying faster or internal or more reliable addresses for those packages. You can note that this does not break anything but just expose some plugin capabilities to users and fallback to proper default one.
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