I also get the same. It was working a few hours ago and now I want to commit some changes I get that error.
The exact message varies slightly from time to time, but it always includes the 502 Bad Gateway! -- You received this message because you are subscribed to the Google Groups "Project Hosting on Google Code" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-code-hosting?hl=en.

