Around 2 AM Eastern Time on 11/29, it appears that ForgeRock -- who develops OpenAM, OpenDJ, and OpenIDM -- quietly cut off public access to their CDDL trunk repositories for all of their projects.
In place of those repositories, they've spun up repositories that have only the source from the last major versions, which means that ForgeRock is quietly blocking out the community from contributing. It also means that any small-shop deployments who rely on the open source edition aren't going to be able to get any security updates unless they pony up to the pricey Enterprise Edition.
Technically, the CDDL does require them to provide some copies that do not require a commercial license, but there's some gray area as to which types of releases have to be public releases vs. private. ForgeRock has decided that the CDDL only applies to major (whole version) releases.
"We apologise for any inconvenience our recent changes may have caused. We are preparing for the next major release of the ForgeRock Identity Platform and as part of this process, we are no longer providing public access to our nightly builds and source code for the upcoming platform release. Open source downloads are still available via https://backstage.forgerock.com/downloads."