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From "Billie Rinaldi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1421) use reflection to improve compatibility between Hadoop 1 and 2
Date Sat, 18 May 2013 17:01:19 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13661396#comment-13661396
] 

Billie Rinaldi commented on ACCUMULO-1421:
------------------------------------------

Let's see if I understand this correctly: we will still support building
against different versions of Hadoop, but it will not be necessary for
running Accumulo. We will only need to to make one binary package that will
work against either Hadoop 1 or 2.

Would it be possible or desirable to make Hadoop 1 and Hadoop 2 testing
modules to test against whichever jars we're not building against?

                
> use reflection to improve compatibility between Hadoop 1 and 2
> --------------------------------------------------------------
>
>                 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
>             Fix For: 1.5.0
>
>
> 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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