[GitHub] [airflow] jzucker2 commented on issue #5452: [AIRFLOW-4829] More descriptive exceptions for EMR sensors

[GitBox <gi...@apache.org>]

jzucker2 commented on issue #5452: [AIRFLOW-4829] More descriptive exceptions for EMR sensors
URL: https://github.com/apache/airflow/pull/5452#issuecomment-504488976
 
 
   @ashb something like this:
   
   ```
   [2019-06-20 22:25:05,633] {caravan_emr_base_sensor.py:33} INFO - Job flow currently TERMINATED_WITH_ERRORS
   [2019-06-20 22:25:05,648] {__init__.py:1580} ERROR - ('EMR job failed for %s', 'Failed for code: BOOTSTRAP_FAILURE with message Master instance (i-0663047709b82346c) failed attempting to download bootstrap action 1 file from S3')
   Traceback (most recent call last):
     File "/usr/local/lib/python2.7/dist-packages/airflow/models/__init__.py", line 1441, in _run_raw_task
       result = task_copy.execute(context=context)
     File "/usr/local/lib/python2.7/dist-packages/airflow/sensors/base_sensor_operator.py", line 108, in execute
       while not self.poke(context):
     File "/usr/local/lib/python2.7/dist-packages/airflow/sensors/emr_base_sensor.py", line 39, in poke
       raise AirflowException('EMR job failed for %s', self.failure_message_from_response(response))
   AirflowException: ('EMR job failed for %s', 'Failed for code: BOOTSTRAP_FAILURE with message Master instance (i-0663047709b82346c) failed attempting to download bootstrap action 1 file from S3')
   ```

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