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https://issues.apache.org/jira/browse/HAMA-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390398#comment-14390398
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Edward J. Yoon commented on HAMA-935:
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Oh, .... It seems I found the problem you faced.
In the classic cluster mode, Hama framework manages own Zookeeper by default
and launches it on the server as a localhost:21810 with start-bspd.sh script. I
think this is a critical bug.
> Doesn't operate if hostname doesn't match between AppMaster and Zookeeper
> quorum
> --------------------------------------------------------------------------------
>
> Key: HAMA-935
> URL: https://issues.apache.org/jira/browse/HAMA-935
> Project: Hama
> Issue Type: Bug
> Components: yarn
> Affects Versions: 0.7.0
> Reporter: Minho Kim
> Assignee: Minho Kim
>
> If hostname doesn't match between ApplicationMaster and Zookeeper, Hama on
> YARN doesn't operate.
> So hostname of the container which runs ApplicationMaster should be modified
> to match Zookeeper quorum.
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