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https://issues.apache.org/jira/browse/HBASE-9204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13738732#comment-13738732
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Lars Hofhansl commented on HBASE-9204:
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[~jxiang], did you attach the wrong file for 0.94? It just has Matteo's change
plus some unrelated change from another jira.
> An Offline SplitParent Region can be assigned breaking split references
> -----------------------------------------------------------------------
>
> Key: HBASE-9204
> URL: https://issues.apache.org/jira/browse/HBASE-9204
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment
> Affects Versions: 0.98.0, 0.95.1, 0.94.10
> Reporter: Matteo Bertozzi
> Assignee: Jimmy Xiang
> Fix For: 0.98.0, 0.95.2, 0.94.11
>
> Attachments: 0.94-9204.patch, HBASE-9294-0.94-v0.patch,
> trunk-9204.patch
>
>
> An offline split parent region can be assigned by using 'assign' from shell.
> This may trigger a compaction on the split parent region that should be
> offline, breaking the references of the two daughters.
> The easy way to test this is:
> * disable compactions
> * create a table and insert some row
> * split
> * shutdown the master (otherwise there's a state checked inside the
> AssignmentManager)
> * start the master
> * assign the region marked as OFFLINE => true, SPLIT => true (the compaction
> on region startup will probably break the reference of the two daughters)
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