[GitHub] [airflow] hussein-awala commented on a diff in pull request #32011: Flash an error msg instead of failure in `rendered-templates` when map index is not found

Tue, 20 Jun 2023 11:47:40 -0700 


hussein-awala commented on code in PR #32011:
URL: https://github.com/apache/airflow/pull/32011#discussion_r1235688311


##########
airflow/www/views.py:
##########
@@ -1419,7 +1419,11 @@ def rendered_templates(self, session):
             ti.dag_run = DagRun(dag_id=dag_id, execution_date=dttm)
         else:
             ti = dag_run.get_task_instance(task_id=task_id, 
map_index=map_index, session=session)
-            ti.refresh_from_task(raw_task)
+            if ti:
+                ti.refresh_from_task(raw_task)
+            else:
+                # When there is no task instance with the given map_index
+                ti = TaskInstance(raw_task, map_index=map_index)

Review Comment:
   could you check it now?
   Here is the result on the UI:
   
![image](https://github.com/apache/airflow/assets/21311487/c78d5f55-b6b7-45d4-b146-b777fd3669cb)
   



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