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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1421) use reflection to improve compatibility between Hadoop 1 and 2 JobContext objects
Date Thu, 16 May 2013 20:13:20 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13659917#comment-13659917
] 

Keith Turner commented on ACCUMULO-1421:
----------------------------------------

bq. Should we consider making a core.util.CompatibilityLayer 

I like the idea of having all of this crazy reflection code in one place.  Do not really have
a good reason.  I just do not like the idea of it sprinkled throughout the codebase.
                
> use reflection to improve compatibility between Hadoop 1 and 2 JobContext objects
> ---------------------------------------------------------------------------------
>
>                 Key: ACCUMULO-1421
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1421
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>            Reporter: Adam Fuchs
>            Assignee: Adam Fuchs
>
> JobContext switches between an abstract class and an interface in hadoop 1 and 2, causing
runtime compatibility problems in the compiled Accumulo bytecode. Avoid the runtime problem
by using reflection to access the configuration object stored in the JobContext.

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