[GitHub] [airflow] renanleme commented on issue #13853: Clearing of historic Task or DagRuns leads to failed DagRun

[GitBox <gi...@apache.org>]

renanleme commented on issue #13853:
URL: https://github.com/apache/airflow/issues/13853#issuecomment-865961271


   We have this problem on our cluster. 
   I found a workaround while we don't fix it in a newer version.
   The way I found is cleaning the failed tasks from the homepage/dagrun list instead of the dag tree view it self.
   Example in pictures:
   Let's say that after cleaning this execution it started failing, if you go to the homepage and search for the dag, you will see that a execution failed:
   ![image](https://user-images.githubusercontent.com/129836/122928087-70a3bf00-d361-11eb-81e1-0de21cc36dd7.png)
   So if you click on it (yellow marked in the image) you will open the dag run list, and you will be able to see the failed one:
   ![image](https://user-images.githubusercontent.com/129836/122928350-aea0e300-d361-11eb-809a-82442d10e9c4.png)
   
   Then, you can select it and clear the stated. It will clear the execution and it will work as expected 🙏🏻 
   ![image](https://user-images.githubusercontent.com/129836/122928577-ead44380-d361-11eb-87ab-f887045f0a17.png)
   
   Probably the workflow for this action (cleaning) is different from the one that we have on the tree view UI, hope this help you guys to fix it :)


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