lucafuji edited a comment on issue #6870: [AIRFLOW-0578] Check return code URL: https://github.com/apache/airflow/pull/6870#issuecomment-575732495 > Im not sure your test as it stands covers the new code - the BashOperator handles return code for that command already. > > I think what you need to test is a Python operator that calls `os._exit(1)` - but the real way of testing would be to run the test without calling your new on_failure, see it fail, then run it again with it enabled On https://github.com/apache/airflow/blob/master/airflow/operators/bash_operator.py#L137, bash operator will throw an exception if the return code is non zero. However, on https://github.com/apache/airflow/blob/master/airflow/task/task_runner/standard_task_runner.py#L85, it will catch this exception and return a return code of 1. This is what this PR trying to solve. This return code is not handled properly by local_task_job. And my test case did cover this.
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