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https://issues.apache.org/jira/browse/LANG-805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas BELOT updated LANG-805:
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Description:
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}
When user pass 0 as _end_ or when the array is not null but empty this line
ends up with an exception
was:
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}
> 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}
> When user pass 0 as _end_ or when the array is not null but empty this line
> ends up with an exception
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