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https://issues.apache.org/jira/browse/AMBARI-7420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141965#comment-14141965
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Steve Scaffidi commented on AMBARI-7420:
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The feature that causes this bug
> Hive warehouse root check breaks with multiple DBs
> --------------------------------------------------
>
> Key: AMBARI-7420
> URL: https://issues.apache.org/jira/browse/AMBARI-7420
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 1.7.0
> Reporter: Steve Scaffidi
>
> This is a bug that was introduced by the patch applied for AMBARI-6709.
> When more than one database exists in Hive, the code that checks and adjusts
> the FS URLs for Hive tables always fails the check, and consequently attempts
> to use the metatool command to "fix" the "problem"
> Unfortunately, when there are multiple databases, performing this action
> corrupts the megastore because it causes *all* database paths to be changed
> to the default DBs path.
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