[GitHub] XD-DENG commented on a change in pull request #4372: AIRFLOW-3567 Show an error in case logs can't be fetched from S3

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XD-DENG commented on a change in pull request #4372: AIRFLOW-3567 Show an error in case logs can't be fetched from S3
URL: https://github.com/apache/incubator-airflow/pull/4372#discussion_r243989664
 
 

 ##########
 File path: airflow/utils/log/s3_task_handler.py
 ##########
 @@ -124,7 +124,8 @@ def s3_log_exists(self, remote_log_location):
         try:
             return self.hook.get_key(remote_log_location) is not None
         except Exception:
-            pass
+            msg = 'Could not list logs at {}'.format(remote_log_location)
+            self.log.exception(msg)
 
 Review comment:
   Maybe not necessary to have this intermediary variable `msg` here?

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