Improve error handling to spare the server log from user's malformed requests and stop trying to parse data from providers if the HTTP status was not 200

server/handlers/api/addspot.py

@@ -127,7 +127,7 @@ class APISpotHandler(tornado.web.RequestHandler):
             self.set_header("Content-Type", "application/json")
 
         except Exception as e:
-            logging.error(e)
+            logging.error("Exception when handling client request to add spot API: %s", e, exc_info=True)
             self.write(safe_json_dumps("Error - an internal server error occurred."))
             self.set_status(500)
             self.set_header("Cache-Control", "no-store")