Sonar doesn’t support merging of projects out of the box so when you happen to rename a project as I just did, you’re suddenly stuck with 2 projects of the same name unless you do a little bit of sql trickery in the back. Here’s how you do it (quick & dirty approach). What we’re going to to is: rename the old projects (with all the juicy metrics) to the new groupid/artifactid and delete the new one (which only has a handful of builds anyway and we can afford to loose these, but not the yearlong history we’ve collected):