mik-laj opened a new pull request #16248: URL: https://github.com/apache/airflow/pull/16248
We don't use this object so we don't need to send it. It tests it in my E2E environment: https://github.com/mik-laj/airlfow-testing-example/pull/2 Sending TI by multiprocessing sometimes fails because TaskInstance is not always properly serialized ``` /home/airflow/.local/lib/python3.6/site-packages/airflow/models/dag.py:1720: in run job.run() /home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/base_job.py:237: in run self._execute() /home/airflow/.local/lib/python3.6/site-packages/airflow/utils/session.py:70: in wrapper return func(*args, session=session, **kwargs) /home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/backfill_job.py:806: in _execute session=session, /home/airflow/.local/lib/python3.6/site-packages/airflow/utils/session.py:67: in wrapper return func(*args, **kwargs) /home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/backfill_job.py:727: in _execute_for_run_dates session=session, /home/airflow/.local/lib/python3.6/site-packages/airflow/utils/session.py:67: in wrapper return func(*args, **kwargs) /home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/backfill_job.py:602: in _process_backfill_task_instances executor.heartbeat() /home/airflow/.local/lib/python3.6/site-packages/airflow/executors/base_executor.py:158: in heartbeat self.trigger_tasks(open_slots) /home/airflow/.local/lib/python3.6/site-packages/airflow/executors/celery_executor.py:263: in trigger_tasks self._process_tasks(task_tuples_to_send) /home/airflow/.local/lib/python3.6/site-packages/airflow/executors/celery_executor.py:272: in _process_tasks key_and_async_results = self._send_tasks_to_celery(task_tuples_to_send) /home/airflow/.local/lib/python3.6/site-packages/airflow/executors/celery_executor.py:333: in _send_tasks_to_celery send_task_to_executor, task_tuples_to_send, chunksize=chunksize /usr/local/lib/python3.6/multiprocessing/pool.py:266: in map return self._map_async(func, iterable, mapstar, chunksize).get() /usr/local/lib/python3.6/multiprocessing/pool.py:644: in get raise self._value /usr/local/lib/python3.6/multiprocessing/pool.py:424: in _handle_tasks put(task) /usr/local/lib/python3.6/multiprocessing/connection.py:206: in send self._send_bytes(_ForkingPickler.dumps(obj)) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ cls = <class 'multiprocessing.reduction.ForkingPickler'> obj = (0, 0, <function mapstar at 0x7f3d2c0c97b8>, ((<function send_task_to_executor at 0x7f3d0b8faf28>, ((TaskInstanceKey(d...sk: airflow.executors.celery_executor.execute_command of airflow.executors.celery_executor at 0x7f3d0b68dcf8>))),), {}) protocol = None @classmethod def dumps(cls, obj, protocol=None): buf = io.BytesIO() > cls(buf, protocol).dump(obj) E TypeError: cannot serialize 'EncodedFile' object /usr/local/lib/python3.6/multiprocessing/reduction.py:51: TypeError ``` <!-- Thank you for contributing! Please make sure that your code changes are covered with tests. And in case of new features or big changes remember to adjust the documentation. Feel free to ping committers for the review! In case of existing issue, reference it using one of the following: closes: #ISSUE related: #ISSUE How to write a good git commit message: http://chris.beams.io/posts/git-commit/ --> --- **^ Add meaningful description above** Read the **[Pull Request Guidelines](https://github.com/apache/airflow/blob/main/CONTRIBUTING.rst#pull-request-guidelines)** for more information. In case of fundamental code change, Airflow Improvement Proposal ([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvements+Proposals)) is needed. In case of a new dependency, check compliance with the [ASF 3rd Party License Policy](https://www.apache.org/legal/resolved.html#category-x). In case of backwards incompatible changes please leave a note in [UPDATING.md](https://github.com/apache/airflow/blob/main/UPDATING.md). -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
