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https://issues.apache.org/jira/browse/AIRFLOW-5071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17198187#comment-17198187
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ASF GitHub Bot commented on AIRFLOW-5071:
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zbigniev edited a comment on issue #10790:
URL: https://github.com/apache/airflow/issues/10790#issuecomment-694712736
We are on Airflow 1.10.10
Besides the DAGs which have sensor tasks in them, we are even encountering
this in tasks which have no sensors in them, for example a DAG which only has
PythonOperator and HiveOperator in it.
Also, weirdly not all dags, even with similar signatures (in terms of
operators being used) are not affected, but ones that are, are severely
affected and keep getting:
_ERROR - Executor reports task instance <TaskInstance: task_id 2020-09-11
00:00:00+00:00 [queued]> finished (failed) although the task says its queued.
Was the task killed externally?_
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> Thousand os Executor reports task instance X finished (success) although the
> task says its queued. Was the task killed externally?
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: AIRFLOW-5071
> URL: https://issues.apache.org/jira/browse/AIRFLOW-5071
> Project: Apache Airflow
> Issue Type: Bug
> Components: DAG, scheduler
> Affects Versions: 1.10.3
> Reporter: msempere
> Priority: Critical
> Fix For: 1.10.12
>
> Attachments: image-2020-01-27-18-10-29-124.png,
> image-2020-07-08-07-58-42-972.png
>
>
> I'm opening this issue because since I update to 1.10.3 I'm seeing thousands
> of daily messages like the following in the logs:
>
> ```
> {{__init__.py:1580}} ERROR - Executor reports task instance <TaskInstance: X
> 2019-07-29 00:00:00+00:00 [queued]> finished (success) although the task says
> its queued. Was the task killed externally?
> {{jobs.py:1484}} ERROR - Executor reports task instance <TaskInstance: X
> 2019-07-29 00:00:00+00:00 [queued]> finished (success) although the task says
> its queued. Was the task killed externally?
> ```
> -And looks like this is triggering also thousand of daily emails because the
> flag to send email in case of failure is set to True.-
> I have Airflow setup to use Celery and Redis as a backend queue service.
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