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From "Purvesh Patel (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6429) running M/R tasks under a security policy
Date Tue, 14 Jul 2015 15:18:05 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Purvesh Patel updated MAPREDUCE-6429:
-------------------------------------
    Attachment: MAPREDUCE-6429-1.patch

> running M/R tasks under a security policy
> -----------------------------------------
>
>                 Key: MAPREDUCE-6429
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6429
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>    Affects Versions: 2.5.0
>            Reporter: Purvesh Patel
>            Priority: Minor
>         Attachments: MAPREDUCE-6429-1.patch
>
>
> When running M/R tasks under a security policy without the 'java.lang.reflect.ReflectPermission
suppressAccessChecks' granted to the user code, we are unable to instantiate new keys for
a WritableComparator. This patch wraps the WritableComparator#newKey in a doPrivileged block
handling non-public key constructors. Please see attached file.



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