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http://www.eclipse.org/eclipselink/downloads/previous_releases.php
I took care of this while adding P2 links to the page. I'll follow up with Peter. He'd done the release based upon notes, because he wanted to make certain he knew what needed to be done to create a milestone and a release. Looks like he's missing a step.
The Eclipselink project has moved to Github: https://github.com/eclipse-ee4j/eclipselink