It's part of the App Store upload process, and a legacy/holdover from using WebObjects 5 as part of the back-end for the original iTunes Music Store. WO5 was a

It's part of the App Store upload process, and a legacy/holdover from using WebObjects 5 as part of the back-end for the original iTunes Music Store. WO5 was a full Java rewrite of WebObjects (which was originall Objective-C back when it was started at NeXT), because in around 2000 that seemed like a sensible choice given where the mindshare was in their target market (pretty enterprise - it was like $50k for a full deployment license at the time).