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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1634) UI and shell list throw NPE
Date Fri, 10 Jul 2009 05:08:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729521#action_12729521
] 

stack commented on HBASE-1634:
------------------------------

So, J-D speculates that what could be happening here is that historian events are coming in
after a .META. entry for a region has been deleted.

1633 adds emission of the row causing the problem.

> UI and shell list throw NPE
> ---------------------------
>
>                 Key: HBASE-1634
>                 URL: https://issues.apache.org/jira/browse/HBASE-1634
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.20.0
>
>
> I have a .META. from bryan duxbury that has a row with only historian data.  List does
whole row, not just info, so if only historian entries, a row is returned.  We then try and
get a regioninfo from this row and NPE.
> As to why this happens, jd suggests that since we moved to async historian updates, row
may have been deleted already.  Confirm.

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