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From "Jonathan Natkins (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8121) Active Directory Group Mapping Service
Date Mon, 05 Mar 2012 21:55:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222638#comment-13222638
] 

Jonathan Natkins commented on HADOOP-8121:
------------------------------------------

1. Yeah, I agree with that
2. Done
3. I added some synchronize blocks, just to be safe

4. Turns out it wasn't long lived, because I had a little bug in my code, but it's cached
properly now. Here's a link to some relevant code: http://javasourcecode.org/html/open-source/jdk/jdk-6u23/com/sun/jndi/ldap/LdapCtx.java.html

Digging in a little bit, you'll see that the ctx.search call leads to a call of LdapCtx.doSearch().
Conveniently, the first line of that method calls LdapCtx.ensureOpen(), which reconnects to
the LDAP server, if necessary.

                
> Active Directory Group Mapping Service
> --------------------------------------
>
>                 Key: HADOOP-8121
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8121
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>            Reporter: Jonathan Natkins
>            Assignee: Jonathan Natkins
>         Attachments: HADOOP-8121.2.patch, HADOOP-8121.3.patch, HADOOP-8121.4.patch, HADOOP-8121.5.patch,
HADOOP-8121.6.patch, HADOOP-8121.patch
>
>
> Planning on building a group mapping service that will go and talk directly to an Active
Directory setup to get group memberships

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