OSB-28: fix logging errors

LCU/Maintenance/DBInterface/monitoringdb/serializers/component_error.py

@@ -72,6 +72,6 @@ class ComponentErrorSerializer(NotNullModelSerializer):
                 logger.exception(
                     'Cannot insert component error %s'
                     ' for station_test_entry %s and station_entry %s: %s',
-                    component_error, station_test_entry, station_entry)
+                    component_error, station_test_entry, station_entry, e)
                 raise e
         return results

LCU/Maintenance/DBInterface/monitoringdb/serializers/element_error.py

@@ -22,7 +22,7 @@ class ElementErrorSerializer(ModelSerializer):
                              element_error):
         component_error = element_error.pop('component_error')
 
-        component_error_entry = ComponentErrorSerializer(station_test_entry,
+        component_error_entry = ComponentErrorSerializer.insert_component_error(station_test_entry,
                                                          station_entry,
                                                          component_error)
         component = component_error_entry.component
@@ -61,5 +61,5 @@ class ElementErrorSerializer(ModelSerializer):
                 logger.exception(
                     'Cannot insert element error %s'
                     ' for station_test_entry %s and station_entry %s: %s',
-                    element_error, station_test_entry, station_entry)
+                    element_error, station_test_entry, station_entry, e)
                 raise e