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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7723) Remove NN URI from ZK splitlogs.
Date Thu, 07 Feb 2013 16:13:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13573631#comment-13573631
] 

stack commented on HBASE-7723:
------------------------------

Do a 'grep -r makeQualified' under hbase checkout.   This is us filling out the full path
to a file (including scheme, etc.).  That should lead you to compares of paths that factor
in the filesystem scheme, host and port.  Let me know if you need more pointers H.
                
> Remove NN URI from ZK splitlogs.
> --------------------------------
>
>                 Key: HBASE-7723
>                 URL: https://issues.apache.org/jira/browse/HBASE-7723
>             Project: HBase
>          Issue Type: Bug
>          Components: hadoop2, master
>    Affects Versions: 0.92.0
>            Reporter: Kevin Odell
>            Assignee: Himanshu Vashishtha
>             Fix For: 0.96.0, 0.94.5
>
>         Attachments: 7723-0.94-minimal.txt, 7723-0.94-simple.txt, HBASE-7723-94.patch,
HBASE-7723-94-v2.patch, HBASE-7723-94-v3.patch, HBASE-7723-94-v4.patch, HBASE-7723-94-v5.patch,
HBASE-7723-trunk-v1.patch, HBASE-7723-trunk-v2.patch
>
>
> When moving to HDFS HA or removing HA we end up changing the NN namespace.  This can
cause the HMaster not to start up fully due to trying to split phantom HLogs pointing to the
wrong FS - java.lang.IllegalArgumentException: Wrong FS: error messages.  The HLogs in question
might not even be on HDFS anymore.  You have to go in a manually clear out the ZK splitlogs
directory to get HBase to properly boot up.

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