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https://issues.apache.org/jira/browse/HBASE-7723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13573785#comment-13573785
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Lars Hofhansl commented on HBASE-7723:
--------------------------------------
There's also
c) support changing of HBase root (also requires an HBase restart)
b) would be handled by my -minimal patch as well.
for c) your patch is needed.
> 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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