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Posted to issues@commons.apache.org by "Sebb (JIRA)" <ji...@apache.org> on 2012/06/09 17:08:43 UTC

[jira] [Resolved] (LANG-805) RandomStringUtils.random(count, 0, 0, false, false, universe, random) always throws java.lang.ArrayIndexOutOfBoundsException

     [ https://issues.apache.org/jira/browse/LANG-805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb resolved LANG-805.
-----------------------

       Resolution: Fixed
    Fix Version/s: 2.7
                   3.2
    
> RandomStringUtils.random(count, 0, 0, false, false, universe, random) always throws java.lang.ArrayIndexOutOfBoundsException
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: LANG-805
>                 URL: https://issues.apache.org/jira/browse/LANG-805
>             Project: Commons Lang
>          Issue Type: Bug
>    Affects Versions: 2.5, 2.6, 3.1
>            Reporter: Thomas BELOT
>            Priority: Blocker
>              Labels: patch
>             Fix For: 3.2, 2.7
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> In commons-lang 2.6 line 250 :
> {code}ch = chars[random.nextInt(gap) + start];{code}
> This line of code takes a random int to fetch a char in the _chars_ array regardless of its size.
> (Besides _start_ is useless here)
> Fixed version would be : 
> {code}ch = chars[random.nextInt(gap)%chars.length];{code}

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