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https://issues.apache.org/jira/browse/HADOOP-15995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16718255#comment-16718255
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Wei-Chiu Chuang commented on HADOOP-15995:
------------------------------------------

Probably not in this jira, but it would be helpful to update the doc.

I ran into this exact same issue before when configuringĀ 
CompositeGroupsMapping, and then gave up (we don't really support this 
configuration at Cloudera anyways). Sorry I should have filed a bug report 
before.

> Add ldap.bind.password.alias in LdapGroupsMapping to distinguish aliases when 
> using multiple providers through CompositeGroupsMapping
> -------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15995
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15995
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: common
>            Reporter: Lukas Majercak
>            Assignee: Lukas Majercak
>            Priority: Major
>         Attachments: HADOOP-15995.001.patch, HADOOP-15995.002.patch, 
> HADOOP-15995.003.patch, HADOOP-15995.004.patch, HADOOP-15995.005.patch, 
> HADOOP-15995.006.patch, HADOOP-15995.007.patch
>
>
> Currently, the property name hadoop.security.group.mapping.ldap.bind.password 
> is used as an alias to get password from CredentialProviders. This has a big 
> issue, which is that when we configure multiple LdapGroupsMapping providers 
> through CompositeGroupsMapping, they will all have the same alias, and won't 
> be able to be distinguished. 



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