try/except

SAS/TMSS/backend/services/windmill_standstill/lib/windmill_standstill.py

@@ -71,16 +71,23 @@ class TMSSWindmillStandstillEventMessageHandler(TMSSEventMessageHandler):
         self.polling_thread.join()
 
     def refresh_access_token(self):
+        try:
             logger.info('refreshing access token...')
             response = requests.post(self.token_url,
                                      data={"grant_type": "client_credentials",
                                            "scope": self.scope,
                                            "client_id": self.client_id,
                                            "client_secret": self.client_secret})
+        except Exception as e:
+            logger.error("could not refresh access token: %s", str(e))
+
+        try:
             json_response = response.json()
             self.access_token = json_response["access_token"]
             self.access_token_expiration_date = datetime.utcnow() + timedelta(seconds=json_response['expires_in']-10)
             logger.info('new token valid till %s' % self.access_token_expiration_date.isoformat())
+        except Exception as e:
+            logger.error("could not refresh access token: http_status_code=%s error: %s", response.status_code, str(e))
 
     def get_api_path_as_json(self, path):
         if datetime.utcnow() >= self.access_token_expiration_date: