When I try to commit my code with svn commit, it returns an error :
svn: Commit failed (details follow): svn: Server sent unexpected return value (405 Method Not Allowed) in response to MKACTIVITY request for '/svn/!svn/act/acf5cd6f-e8d7-476e-a572-a61a5d293586'
How can this be fixed?
Try switching to https looks like this is a bug in Google Code system, see Google Code Bug #1916