[I] Clear task confirmation dialog reopens without clearing the task [airflow]

["anzinmhd (via GitHub)" <gi...@apache.org>]

anzinmhd opened a new issue, #75245:
URL: https://github.com/apache/airflow/issues/75245

   ### Under which category would you file this issue?
   
   Airflow Core
   
   ### Apache Airflow version
   
   3.4.0b1; also reproduced on main
   
   ### What happened and how to reproduce it?
   
   Clicking **Confirm** in the **Clear Task Instance** dialog causes it to briefly disappear and reopen. The selected task is not cleared or rerun, and its try number remains unchanged.
   
   I reproduced this on main and in a separate deployment using the official `apache/airflow:3.4.0b1` image. I observed the behavior in both Safari and Chrome.
   
   ### Reproduction Dag
   
   ```python
   from datetime import datetime, timezone
   from time import sleep
   
   from airflow.sdk import DAG, task
   
   with DAG(
       dag_id="reproduce_clear_task_dialog",
       schedule=None,
       start_date=datetime(2026, 1, 1, tzinfo=timezone.utc),
       catchup=False,
       tags=["reproduction", "clear-dialog"],
   ) as dag:
   
       @task
       def wait_seconds(seconds: int):
           sleep(seconds)
   
       a = wait_seconds.override(task_id="A")(3)
       b = wait_seconds.override(task_id="B")(30)
       c = wait_seconds.override(task_id="C")(3)
   
       a >> b >> c
   ```
   
   ### Steps to reproduce
   
   1. Deploy the Dag, enable it, and trigger a run.
   2. Wait until A, B, and C have succeeded.
   3. Open the completed run's Task Instances tab.
   4. Click the clear action for task C.
   5. Ensure only C is selected. Leave Past, Future, Upstream, Downstream, and Clear only failed tasks unselected.
   6. Leave **Prevent rerun if task is running** checked and **Keep task state and resume** unchecked.
   7. Click **Confirm**.
   
   ### Actual result
   
   The dialog flickers and reopens instead of completing the clear action. Task C remains successful with its original try number.
   
   In the captured failed interactions, requests to
   `POST /api/v2/dags/{dag_id}/clearTaskInstances` return HTTP 200 with
   `dry_run: true` in their request payloads. No request with `dry_run: false`
   was observed.
   
   The attached recording shows the dialog behavior, a request payload with
   `dry_run: true`, and the unchanged try number afterward.
   
   https://github.com/user-attachments/assets/a050ca19-d1a6-417b-89af-20d5c80b06ae
   
   ### What you think should happen instead?
   
   Confirming the clear action should send the actual clear request and close the dialog after it succeeds. With the scheduler running and dependencies satisfied, task C should rerun and its try number should increase.
   
   ### Operating System
   
   macOS host, with Airflow running in Linux Docker containers.
   
   ### Deployment
   
   Docker-Compose
   
   ### Apache Airflow Provider(s)
   
   _No response_
   
   ### Versions of Apache Airflow Providers
   
   _No response_
   
   ### Official Helm Chart version
   
   Not Applicable
   
   ### Kubernetes Version
   
   _No response_
   
   ### Helm Chart configuration
   
   _No response_
   
   ### Docker Image customizations
   
   The beta reproduction used the official apache/airflow:3.4.0b1 image with a mounted reproduction Dag and local configuration. Main was tested using Breeze.
   
   ### Anything else?
   
   Sending a clear request directly with dry_run: false successfully reruns the task.
   
   The behavior was observed in both Safari and Chrome. The attached recording shows the failed UI interaction and a request payload containing dry_run: true.
   
   ### Are you willing to submit PR?
   
   - [x] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
   


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Re: [I] Clear task confirmation dialog reopens without clearing the task [airflow]

["anzinmhd (via GitHub)" <gi...@apache.org>]

anzinmhd closed issue #75245: Clear task confirmation dialog reopens without clearing the task
URL: https://github.com/apache/airflow/issues/75245


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Re: [I] Clear task confirmation dialog reopens without clearing the task [airflow]

["anzinmhd (via GitHub)" <gi...@apache.org>]

anzinmhd commented on issue #75245:
URL: https://github.com/apache/airflow/issues/75245#issuecomment-6298727874

   This is already addressed by #74725, which has merged into main. My reproduction used a checkout that did not yet include that fix. Closing as already addressed.


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