More severe logging when receiving invalid request on SVN log service

attract/subversion/routes.py

@@ -39,7 +39,7 @@ def subversion_kick(project, attract_props):
 @authorization.require_login(require_roles={u'service', u'svner'}, require_all=True)
 def subversion_log(project_url):
     if request.mimetype != 'application/json':
-        log.debug('Received %s instead of application/json', request.mimetype)
+        log.warning('Received %s instead of application/json', request.mimetype)
         raise wz_exceptions.BadRequest()
 
     # Parse the request