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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13130) s3a failures can surface as RTEs, not IOEs
Date Wed, 11 May 2016 10:58:12 GMT
Steve Loughran created HADOOP-13130:
---------------------------------------

             Summary: s3a failures can surface as RTEs, not IOEs
                 Key: HADOOP-13130
                 URL: https://issues.apache.org/jira/browse/HADOOP-13130
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs/s3
    Affects Versions: 2.7.2
            Reporter: Steve Loughran


S3A failures happening in the AWS library surface as {{AmazonClientException}} derivatives,
rather than IOEs. As the amazon exceptions are runtime exceptions, any code which catches
IOEs for error handling breaks.

The fix will be to catch and wrap. The hard thing will be to wrap it with meaningful exceptions
rather than a generic IOE. Furthermore, if anyone has been catching AWS exceptions, they are
going to be disappointed. That means that fixing this situation could be considered "incompatible"
—but only for code which contains assumptions about the underlying FS and the exceptions
they raise.



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