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https://issues.apache.org/jira/browse/HBASE-5035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13169955#comment-13169955
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Shrijeet Paliwal commented on HBASE-5035:
-----------------------------------------

Here is the patched HCM https://gist.github.com/1478070 , can be used to match 
line numbers.  
                
> Runtime exceptions during meta scan
> -----------------------------------
>
>                 Key: HBASE-5035
>                 URL: https://issues.apache.org/jira/browse/HBASE-5035
>             Project: HBase
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.90.3
>            Reporter: Shrijeet Paliwal
>
> Version: 0.90.3 + patches back ported 
> The other day our client started spitting these two runtime exceptions. Not 
> all clients connected to the cluster were under impact. Only 4 of them. While 
> 3 of them were throwing NPE, one of them was throwing 
> ArrayIndexOutOfBoundsException. The errors are : 
> 1. http://pastie.org/2987926
> 2. http://pastie.org/2987927
> Clients did not recover from this and I had to restart them. 
> Motive of this jira is to identify and put null checks at appropriate places. 
> Also with the given stack trace I can not tell which line caused NPE of 
> AIOBE, hence additional motive is to make the trace more helpful. 

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