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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13130) s3a failures can surface as RTEs, not IOEs
Date Mon, 16 May 2016 14:18:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated HADOOP-13130:
------------------------------------
    Status: Patch Available  (was: Open)

> 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: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.7.2
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: HADOOP-13130-001.patch, HADOOP-13130-002.patch, HADOOP-13130-002.patch,
HADOOP-13130-003.patch, HADOOP-13130-004.patch
>
>
> 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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