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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17554) Figure 2.0.0 Hadoop Version Support; update refguide
Date Fri, 27 Jan 2017 08:21:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15842384#comment-15842384
] 

stack commented on HBASE-17554:
-------------------------------

The clashing io.netty 4 (4.0.23.Final) gets added to hadoop with below commit that lands in
hadoop-2.7.0.

commit bbdd990864d677e99b8fc73bdf720d66e2187d2c
Author: Haohui Mai <wheat9@apache.org>
Date:   Tue Oct 28 16:53:53 2014 -0700

    HDFS-7280. Use netty 4 in WebImageViewer. Contributed by Haohui Mai.

The hbase commit that moves us from a compatible 4.0.30 to an incompatible 4.1.1 is:

commit bd45cf34762332a3a51f605798a3e050e7a1e62e
Author: Jurriaan Mous <jurmous@jurmo.us>
Date:   Fri Jun 10 17:57:42 2016 +0200

    HBASE-16004 Update to Netty 4.1.1

    Signed-off-by: stack <stack@apache.org>

hbase-2.0.0 is incompat with hadoop-2.7+ until we address above.

hadoop-2.6.x doesn't have HDFS-7280 commit so hbase-2.0.0 should work with it. TBD.



> Figure 2.0.0 Hadoop Version Support; update refguide
> ----------------------------------------------------
>
>                 Key: HBASE-17554
>                 URL: https://issues.apache.org/jira/browse/HBASE-17554
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 2.0.0
>
>
> Refguide has hbase-2.0.0 working with 2.6.1+ and 2.7.1+ but I just tried tip of master
against hadoop-2.7.3 and it fails with a netty version complaint (same as up in HADOOP-13866
which is trying to update netty for hadoop3 and 2.9?). This issue is about determining proper
hadoop versions we work with when hbase2 ships.



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