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From "Jan Hentschel (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HBASE-17431) Incorrect precheck condition in RoundRobinPool#get()
Date Fri, 06 Jan 2017 13:22:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HBASE-17431 started by Jan Hentschel.
---------------------------------------------
> Incorrect precheck condition in RoundRobinPool#get()
> ----------------------------------------------------
>
>                 Key: HBASE-17431
>                 URL: https://issues.apache.org/jira/browse/HBASE-17431
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Jan Hentschel
>            Priority: Minor
>         Attachments: HBASE-17431.master.001.patch
>
>
> Here is related code:
> {code}
>     public R get() {
>       if (super.size() < maxSize) {
>         return null;
>       }
>       nextResource %= super.size();
> {code}
> Since super.size() is involved in modulo operation after the check, it seems the check
should compare against 0 instead of maxSize.
> Looks like a copy-paste error from put() method.



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