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https://issues.apache.org/jira/browse/HBASE-10582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13907840#comment-13907840
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Andrew Purtell commented on HBASE-10582:
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Yes I don't think we should allow people to downgrade access protections on
system tables (or if that would even work).
> 0.94->0.96 Upgrade: ACL can't be repopulated when ACL table contains row for
> table '-ROOT' or '.META.'
> ------------------------------------------------------------------------------------------------------
>
> Key: HBASE-10582
> URL: https://issues.apache.org/jira/browse/HBASE-10582
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.0, 0.96.0, 0.96.1
> Reporter: Jeffrey Zhong
> Assignee: Jeffrey Zhong
> Priority: Critical
>
> When '-ROOT-', '.META' rows are contained in ACL table, during upgrade
> process, ACL zk nodes can't be populated to zookeeper because
> AccessControlLists#loadAll(HRegion) fails to load table permissions due to
> parsePermissionRecord throws IllegalArgumentException from TableName.valueof.
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