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https://issues.apache.org/jira/browse/HBASE-8258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626945#comment-13626945
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Jonathan Hsieh commented on HBASE-8258:
---------------------------------------

This issue's current title is 'Make mapreduce tests pass on hadoop2'.  The 
overall effort should first go into properly fixing the unit tests against 
hadoop2 in our current build.  From my runs I thought it was just one test but 
it looks like I missed a bunch.  So this should be treated as an umbrella issue 
which makes it a dupe of HBASE-6891 (where efforts had started a while back). 

It doesn't make sense to have an issue open for something that cannot be worked 
on.  Since 2.0.4 isn't released whatever fixes we'd commit along this line 
would have the same problem as building on SNAPSHOTs -- it may break because of 
changes between the hbase commit and when 2.0.4 is released.  Once hadoop 2.0.4 
is released, we can test against it then and if there are new issues with it, 
open jiras and fix it then.
                
> Make mapreduce tests pass on hadoop2
> ------------------------------------
>
>                 Key: HBASE-8258
>                 URL: https://issues.apache.org/jira/browse/HBASE-8258
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.95.1
>
>         Attachments: 8258-plain.txt, 8258-v1-hadoop-2.0.txt, 
> 8258-v2-hadoop-2.0.txt, 8258-v4-hadoop-2.0.txt, hbase-8258-simple.patch, 
> hbase-8258.simple.v2.patch, hbase-8258.simple.v3.patch, 
> hbase-8258.simple.v4.patch
>
>
> HBASE-7904 was a first attempt at making this work but it got lost in the 
> weeds.
> This is a new attempt at making hbase mapreduce jobs run on hadoop2 (w/o 
> breaking mapreduce on hadoop1)

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