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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12284) UserGroupInformation doAs can throw misleading exception
Date Sat, 12 Sep 2015 16:37:45 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated HADOOP-12284:
------------------------------------
    Status: Open  (was: Patch Available)

> UserGroupInformation doAs can throw misleading exception
> --------------------------------------------------------
>
>                 Key: HADOOP-12284
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12284
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>            Reporter: Aaron Dossett
>            Assignee: Aaron Dossett
>            Priority: Trivial
>         Attachments: HADOOP-12284-002.patch, HADOOP-12284.example, HADOOP-12284.patch
>
>
> If doAs() catches a PrivilegedActionException it extracts the underlying cause through
getCause and then re-throws an exception based on the class of the Cause.  If getCause returns
null, this is how it gets re-thrown:
> else {
>         throw new UndeclaredThrowableException(cause);
>       }
> If cause == null that seems misleading. I have seen actual instances where cause is null,
so this isn't just a theoretical concern.



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