added minimal excpetion handling to communicator.py

communicator.py

@@ -43,11 +43,14 @@ class Communicator:
         Get the list of available consumer from the current primary consumer.
         :return:
         """
+        try:
             currentconsumer = self.currenctconsumer
             response = requests.get(f'http://{currentconsumer}/consumer')
             json = response.json()
             LOGGER.debug(f"List of currently available consumers: {json}")
             return json
+        except Exception:
+            return []
 
     def isconsumeravailable(self) -> bool:
         """