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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3731) NPE in HTable.getRegionsInfo()
Date Tue, 05 Apr 2011 03:40:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015740#comment-13015740
] 

stack commented on HBASE-3731:
------------------------------

Yeah, IIRC, that was intent.

> NPE in HTable.getRegionsInfo()
> ------------------------------
>
>                 Key: HBASE-3731
>                 URL: https://issues.apache.org/jira/browse/HBASE-3731
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Liyin Tang
>
> In HTable.getRegionInfo
> <code>
> HRegionInfo info = Writables.getHRegionInfo(
>             rowResult.getValue(HConstants.CATALOG_FAMILY,
>                 HConstants.REGIONINFO_QUALIFIER));
> </code>
> But the rowResult.getValue() may return null, and Writables.getHRegionInfo will throw
NullPoinException when the parameter is null.
> 2 fixes here: 
> 1) In Writables.getHRegionInfo(). We need to check whether the data is null before using
data.length.
> 2)<code>
> HRegionInfo info = Writables.getHRegionInfoOrNull(
>             rowResult.getValue(HConstants.CATALOG_FAMILY,
>                 HConstants.REGIONINFO_QUALIFIER));
> if(info == null)
>   return false
> </code>
> Any thoughts?

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