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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8121) Active Directory Group Mapping Service
Date Mon, 05 Mar 2012 21:43:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222630#comment-13222630
] 

Aaron T. Myers commented on HADOOP-8121:
----------------------------------------

Thanks for checking on that, Natty. A few more comments/questions:

# Seems like we could cache the SearchControls object as well. Looks to me like it could even
just be statically initialized.
# I think createDirContext should be renamed getDirContext, as it's not necessarily creating
a new DirContext each time it's called.
# There's what looks to be a potential race in initializing the DirContext, since you check
for null and then initialize without holding any lock, though it may not matter at all.
# Since the DirContext is now long-lived, what happens if a connection to the LDAP server
breaks? Will this class automatically re-connect? (Is that even the right term?)
                
> 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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