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Lock TriggerCommsDecoder sync req-res cycle #64882

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Merged
uranusjr merged 1 commit into from
Apr 15, 2026
+4 −2
Merged

Lock TriggerCommsDecoder sync req-res cycle #64882

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6 changes: 4 additions & 2 deletions airflow-core/src/airflow/jobs/triggerer_job_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -883,12 +883,14 @@ class TriggerCommsDecoder(CommsDecoder[ToTriggerRunner, ToTriggerSupervisor]):
def _read_frame(self):
from asgiref.sync import async_to_sync

return async_to_sync(self._aread_frame)()
with self._thread_lock:
return async_to_sync(self._aread_frame)()

def send(self, msg: ToTriggerSupervisor) -> ToTriggerRunner | None:
from asgiref.sync import async_to_sync

return async_to_sync(self.asend)(msg)
with self._thread_lock:
return async_to_sync(self.asend)(msg)

async def _aread_frame(self):
try:
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