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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12052) IPC client downgrades all exception types to IOE, breaks callers trying to use them
Date Thu, 04 Jun 2015 12:50:38 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Varun Saxena updated HADOOP-12052:
----------------------------------
    Fix Version/s:     (was: 2.8.0)
           Status: Patch Available  (was: Open)

Submitting patch

> IPC client downgrades all exception types to IOE, breaks callers trying to use them
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-12052
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12052
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Steve Loughran
>            Assignee: Brahma Reddy Battula
>            Priority: Critical
>         Attachments: HADOOP-12052.patch
>
>
> The HADOOP-11772 cache changes mean that an exception such as {{UnknownHostException}}
being raised on a Client connect is now being returned as a simple {{IOException}}, wrapping
an {{ExecutionException}}, with the real exception being hidden inside that.
> This breaks any application which uses the exception class in a try/catch statement so
as to choose different actions depending on the failure mode. This has surfaced in the SLIDER-896
tests, but is likely to happen in production too.



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