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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Include parameter name in JSON Schema error path on unmarshalling","articleBody":"Hi,\r\n\r\nI've run into the problem, when I'm not able to show which invalid parameter raised an `InvalidSchemaValue`.\r\n\r\nAs `InvalidSchemaValue` contains a list of `schema_errors` (`List[JsonSchemaValidationError]`) I expect to have `relative_path` / `absoulte_path` filled for its items. But in reality all items have empty `path` / `relative_path` attributes (and `absolute_path` property).\r\n\r\nI've managed to fix this by manually add parameter name as JSON Schem error path as,\r\n\r\n```python\r\n        try:\r\n            return unmarshaller(value)\r\n        except InvalidSchemaValue as err:\r\n            # Modify invalid schema validation errors to include parameter name\r\n            if isinstance(param_or_media_type, Parameter):\r\n                param_name = param_or_media_type.name\r\n\r\n                for schema_error in err.schema_errors:\r\n                    schema_error.path = schema_error.relative_path = deque(\r\n                        [param_name]\r\n                    )\r\n\r\n            raise err\r\n```\r\n\r\ninstead of plain,\r\n\r\n```python\r\n        return unmarshaller(value)\r\n```\r\n\r\nBut would like to have path filled by `openapi_core` instead.\r\n\r\n----\r\n\r\nMore details in https://github.com/playpauseandstop/rororo/pull/53\r\n","author":{"url":"https://github.com/playpauseandstop","@type":"Person","name":"playpauseandstop"},"datePublished":"2020-04-23T14:27:20.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/246/openapi-core/issues/246"}