feluelle edited a comment on issue #5530: [AIRFLOW-1740] Fix xcom creation and update via UI URL: https://github.com/apache/airflow/pull/5530#issuecomment-508506602 And this is 1.10.4rc2 RBAC (the same as in classic UI) @ashb @XD-DENG ``` File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/session.py", line 466, in _prepare_impl self.session.flush() File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/session.py", line 2446, in flush self._flush(objects) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/session.py", line 2584, in _flush transaction.rollback(_capture_exception=True) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/util/langhelpers.py", line 67, in __exit__ compat.reraise(exc_type, exc_value, exc_tb) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/util/compat.py", line 277, in reraise raise value File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/session.py", line 2544, in _flush flush_context.execute() File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/unitofwork.py", line 416, in execute rec.execute(self) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/unitofwork.py", line 583, in execute uow, File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/persistence.py", line 245, in save_obj insert, File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/orm/persistence.py", line 1116, in _emit_insert_statements statement, params File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 980, in execute return meth(self, multiparams, params) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/sql/elements.py", line 273, in _execute_on_connection return connection._execute_clauseelement(self, multiparams, params) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1099, in _execute_clauseelement distilled_params, File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1174, in _execute_context e, util.text_type(statement), parameters, None, None File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1458, in _handle_dbapi_exception util.raise_from_cause(sqlalchemy_exception, exc_info) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/util/compat.py", line 296, in raise_from_cause reraise(type(exception), exception, tb=exc_tb, cause=cause) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/util/compat.py", line 276, in reraise raise value.with_traceback(tb) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1171, in _execute_context context = constructor(dialect, self, conn, *args) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/engine/default.py", line 703, in _init_compiled param.append(processors[key](compiled_params[key])) File "/Users/feluelle/venv/apache-airflow/lib/python3.6/site-packages/sqlalchemy/sql/sqltypes.py", line 905, in process return DBAPIBinary(value) sqlalchemy.exc.StatementError: (builtins.TypeError) memoryview: a bytes-like object is required, not 'str' [SQL: 'INSERT INTO xcom ("key", value, timestamp, execution_date, task_id, dag_id) VALUES (?, ?, ?, ?, ?, ?)'] [parameters: [{'value': 'value1', 'dag_id': 'example_bash_operator', 'key': 'key1', 'execution_date': datetime.datetime(2019, 7, 4, 16, 42, 23), 'task_id': 'run_me_0'}]] ```
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