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From "Thomas Marquardt (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15662) ABFS: Better exception handling of DNS errors
Date Thu, 09 Aug 2018 18:24:00 GMT
Thomas Marquardt created HADOOP-15662:
-----------------------------------------

             Summary: ABFS: Better exception handling of DNS errors
                 Key: HADOOP-15662
                 URL: https://issues.apache.org/jira/browse/HADOOP-15662
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/azure
            Reporter: Thomas Marquardt


DNS errors are common during testing due to typos or misconfiguration.  They can also occur
in production, as some transient DNS issues occur from time to time. 

1) Let's investigate if we can distinguish between the two and fail fast for the test issues,
but continue to have retry logic for the transient DNS issues in production.

2) Let's improve the error handling of DNS failures, so the user has an actionable error message.



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