Merge "changes for url_prefix and featuregroup controller and service"

diff --cc trainingmgr/controller/featuregroup_controller.py
index 5ce3cad,46909cf..419b91b
--- 1/trainingmgr/controller/featuregroup_controller.py
--- 2/trainingmgr/controller/featuregroup_controller.py
+++ b/trainingmgr/controller/featuregroup_controller.py
@@@ -116,9 -120,11 +118,11 @@@ def create_feature_group()
          return {"Exception": str(err)}, 400
      except DBException as err:
          LOGGER.error(f"Failed to create the feature Group {str(err)}")
+         if "already exist" in str(err):
+             return {"Exception": str(err)}, 409
          return {"Exception": str(err)}, 400
 -    except Exception as e:
 -        api_response = {"Exception":str(e)}
 +    except Exception as err:
 +        api_response = {"Exception":str(err)}
          LOGGER.error(f"Failed to create the feature Group {str(err)}")
          jsonify(json.dumps(api_response)), 500