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From "Haijun Cao (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1634) UI and shell list throw NPE
Date Mon, 20 Jul 2009 00:26:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12733097#action_12733097
] 

Haijun Cao commented on HBASE-1634:
-----------------------------------

Stack,

Just so you know, I am able to reproduce again. It happens while doing sequentialWrite 100x1m
records, this time,  master/region servers did not crash (so the crash log I mentioned in
the earlier comment may be misleading). sequentialWrite are still successful, just UI not
working. I applied the purgewrongfamily script and NPE is gone.

I am going to run the test again with DEBUG mode, will email you the log if I am able to reproduce.


Haijun






> 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
>            Priority: Blocker
>             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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