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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HBASE-1934) NullPointerException in ClientScanner
Date Mon, 26 Oct 2009 21:56:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack reassigned HBASE-1934:
----------------------------

    Assignee: Andrew Purtell

> NullPointerException in ClientScanner
> -------------------------------------
>
>                 Key: HBASE-1934
>                 URL: https://issues.apache.org/jira/browse/HBASE-1934
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.1
>            Reporter: Daniel Ploeg
>            Assignee: Andrew Purtell
>             Fix For: 0.20.2, 0.21.0
>
>         Attachments: HBASE-1934.patch
>
>
> The following stack trace was observed whilst loading a large volume of data into Hbase:
> Caused by: java.lang.NullPointerException
>  at org.apache.hadoop.hbase.client.HTable$ClientScanner.next(HTable.java:2008)
>  at org.apache.hadoop.hbase.client.HTable$ClientScanner$1.hasNext(HTable.java:2089)
> It appears that lastResult is initialized to be null, however in the exception handling
code there isn't any null checking before the field is accessed for get row:
>             this.scan.setStartRow(this.lastResult.getRow());
> There should be some additional null checking logic here.

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