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https://issues.apache.org/jira/browse/HBASE-4556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13124706#comment-13124706
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stack commented on HBASE-4556:
------------------------------

Do our tests need to be more strict Lars?
                
> Fix all incorrect uses of InternalScanner.next(...)
> ---------------------------------------------------
>
>                 Key: HBASE-4556
>                 URL: https://issues.apache.org/jira/browse/HBASE-4556
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>
> There are cases all over the code where InternalScanner.next(...) is not used 
> correctly.
> I see this a lot:
> {code}
> while(scanner.next(...)) {
> }
> {code}
> The correct pattern is:
> {code}
> boolean more = false;
> do {
>    more = scanner.next(...);
> } while (more);
> {code}

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