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From Brent Nikolaus <bnikol...@gmail.com>
Subject Re: [jira] [Created] (HADOOP-8611) Allow fall-back to the shell-based implementation when JNI-based users-group mapping fails
Date Fri, 12 Jul 2013 17:23:25 GMT
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On Fri, Jul 20, 2012 at 6:42 AM, Kihwal Lee (JIRA) <jira@apache.org> wrote:

> Kihwal Lee created HADOOP-8611:
> ----------------------------------
>
>              Summary: Allow fall-back to the shell-based implementation
> when JNI-based users-group mapping fails
>                  Key: HADOOP-8611
>                  URL: https://issues.apache.org/jira/browse/HADOOP-8611
>              Project: Hadoop Common
>           Issue Type: Bug
>           Components: security
>     Affects Versions: 2.0.0-alpha, 0.23.0, 1.0.3
>             Reporter: Kihwal Lee
>             Assignee: Kihwal Lee
>              Fix For: 1.1.1, 0.23.3, 3.0.0, 2.2.0-alpha
>
>
> When the JNI-based users-group mapping is enabled, the process/command
> will fail if the native library, libhadoop.so, cannot be found. This mostly
> happens at client-side where users may use hadoop programatically. Instead
> of failing, falling back to the shell-based implementation will be
> desirable. Depending on how cluster is configured, use of the native
> netgroup mapping cannot be subsituted by the shell-based default. For this
> reason, this behavior must be configurable with the default being
> "disabled".
>
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>
>


-- 
Brent Nikolaus
CISSP - LPT - CEH - CSFA - DFHI - ACE

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