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Hadoop, mail # dev - Re: [jira] [Created] (HADOOP-8611) Allow fall-back to the shell-based implementation when JNI-based users-group mapping fails


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Brent Nikolaus 2013-07-12, 17:23
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RE: [jira] [Created] (HADOOP-8611) Allow fall-back to the shell-based implementation when JNI-based users-group mapping fails
Durairaj, Vivek 2013-07-12, 18:06
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Vivek Durairaj

-----Original Message-----
From: Brent Nikolaus [mailto:[EMAIL PROTECTED]]
Sent: Friday, July 12, 2013 1:23 PM
To: [EMAIL PROTECTED]
Subject: Re: [jira] [Created] (HADOOP-8611) Allow fall-back to the shell-based implementation when JNI-based users-group mapping fails

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On Fri, Jul 20, 2012 at 6:42 AM, Kihwal Lee (JIRA) <[EMAIL PROTECTED]> 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
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