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From "Pankaj Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16498) NPE when Scan's stopRow is set NULL
Date Thu, 25 Aug 2016 10:34:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15436640#comment-15436640
] 

Pankaj Kumar commented on HBASE-16498:
--------------------------------------

[~ashish singhi], have addressed your suggestion in V2 patch.

> NPE when Scan's stopRow is set NULL
> -----------------------------------
>
>                 Key: HBASE-16498
>                 URL: https://issues.apache.org/jira/browse/HBASE-16498
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 2.0.0, 1.3.0, 0.98.21
>            Reporter: Pankaj Kumar
>            Assignee: Pankaj Kumar
>            Priority: Minor
>         Attachments: HBASE-16498-V2.patch, HBASE-16498.patch
>
>
> During scan operation we validate whether this is the last region of table, if not then
records will be retrieved from nextscanner. If stop row is set null then NPE will be thrown
while validating stop row with region endkey.
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.hadoop.hbase.client.ClientScanner.checkScanStopRow(ClientScanner.java:217)
> 	at org.apache.hadoop.hbase.client.ClientScanner.nextScanner(ClientScanner.java:266)
> 	at org.apache.hadoop.hbase.client.ClientScanner.possiblyNextScanner(ClientScanner.java:237)
> 	at org.apache.hadoop.hbase.client.ClientScanner.loadCache(ClientScanner.java:537)
> 	at org.apache.hadoop.hbase.client.ClientScanner.nextWithSyncCache(ClientScanner.java:363)
> 	at org.apache.hadoop.hbase.client.ClientSimpleScanner.next(ClientSimpleScanner.java:50)
> 	at org.apache.hadoop.hbase.client.AbstractClientScanner.next(AbstractClientScanner.java:70)
> 	at org.apache.hadoop.hbase.client.TestAdmin2.testScanWithSplitKeysAndNullStartEndRow(TestAdmin2.java:803)
> {noformat}
> We should return empty byte array when start/end row is set NULL.



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