ziyangRen commented on issue #52276:
URL: https://github.com/apache/airflow/issues/52276#issuecomment-3047901430
@sjyangkevin After testing, the following code can solve the problem. Next
week, could you please help verify if this is a reasonable modification?
```
def _filter_tis_and_exclude_removed(dag: DAG, tis: list[TI]) -> Iterable[TI]:
"""Populate ``ti.task`` while excluding those missing one, marking them
as REMOVED."""
for ti in tis:
try:
ti.task = dag.get_task(ti.task_id)
except TaskNotFound:
try:
self.log.debug("tasks not found appeared, dag_id= %s,
task_id=%s" % (self.dag_id, ti.task_id))
from airflow.models.dagbag import DagBag
latest_dag =
DagBag(read_dags_from_db=True).get_dag(self.dag_id, session=session)
ti.task = latest_dag.get_task(ti.task_id)
yield ti
self.log.debug("Task %s found in reloaded DAG." % ti)
except TaskNotFound:
if ti.state != TaskInstanceState.REMOVED:
self.log.error("Failed to get task for ti %s. Marking it
as removed.", ti)
ti.state = TaskInstanceState.REMOVED
session.flush()
else:
yield ti
```
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