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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15884) NPE in StoreFileScanner during reverse scan
Date Tue, 24 May 2016 21:53:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15298999#comment-15298999
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Ted Yu commented on HBASE-15884:
--------------------------------

Is it possible to add a test so that we prevent regression in the future ?

> NPE in StoreFileScanner during reverse scan
> -------------------------------------------
>
>                 Key: HBASE-15884
>                 URL: https://issues.apache.org/jira/browse/HBASE-15884
>             Project: HBase
>          Issue Type: Bug
>          Components: Scanners
>    Affects Versions: 2.0.0, 1.2.1
>            Reporter: Sergey Soldatov
>            Assignee: Sergey Soldatov
>         Attachments: HBASE-15884-1.patch
>
>
> Here is a part of {{skipKVsNewerThanReadpoint}} method:
> {noformat}
>       hfs.next();
>       setCurrentCell(hfs.getKeyValue());
>       if (this.stopSkippingKVsIfNextRow
>           && getComparator().compareRows(cur.getRowArray(), cur.getRowOffset(),
>               cur.getRowLength(), startKV.getRowArray(), startKV.getRowOffset(),
>               startKV.getRowLength()) > 0) {
> {noformat}
> If hfs has no more KVs, cur will be set to Null and on on the next step will throw NPE.




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