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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6951) Distinct minicluster services (e.g. NN and JT) overwrite each other's service policies
Date Tue, 21 Sep 2010 23:44:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HADOOP-6951:
-----------------------------------

    Attachment: hadoop-6951.2.txt

Thanks for the review, Tom.

Updated patch to address Tom's comments.

> Distinct minicluster services (e.g. NN and JT) overwrite each other's service policies
> --------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6951
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6951
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6951.1.txt, hadoop-6951.2.txt, hadoop-6951.txt.0
>
>
> Because the protocol -> ACL mapping in ServiceAuthorizationManager is static, services
which are run in the same JVM have the potential to clobber the other's service authorization
ACLs whenever ServiceAuthorizationManager.refresh() is called. This causes authorization failures
if one tries to launch a 2NN connected to a minicluster with hadoop.security.authorization
enabled. Seems like each service should have its own instance of a ServiceAuthorizationManager,
instead of using static methods.

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