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/alerts.py

@@ -59,11 +59,10 @@ class APIAlertsHandler(tornado.web.RequestHandler):
             self.write(safe_json_dumps(data))
             self.set_status(200)
         except ValueError as e:
-            logging.error(e)
             self.write(safe_json_dumps("Bad request - " + str(e)))
             self.set_status(400)
         except Exception as e:
-            logging.error(e)
+            logging.error("Exception when handling client request to alerts 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")