[jira] Commented: (CLI-193) StringIndexOutOfBoundsException in HelpFormatter.findWrapPos

["Emmanuel Bourg (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLI-193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12877867#action_12877867 ] 

Emmanuel Bourg commented on CLI-193:
------------------------------------

Thank you for the report Travis. Do you have a test case that triggers the exception?

> StringIndexOutOfBoundsException in HelpFormatter.findWrapPos
> ------------------------------------------------------------
>
>                 Key: CLI-193
>                 URL: https://issues.apache.org/jira/browse/CLI-193
>             Project: Commons CLI
>          Issue Type: Bug
>          Components: CLI-1.x
>    Affects Versions: 1.2
>            Reporter: Travis McLeskey
>            Priority: Critical
>             Fix For: 1.3
>
>   Original Estimate: 0.08h
>  Remaining Estimate: 0.08h
>
> In the last while loop in HelpFormatter.findWrapPos, it can pass text.length() to text.charAt(int), which throws a StringIndexOutOfBoundsException. The first expression in that while loop condition should use a <, not a <=.
> This is on line 908 in r779646:
>   http://svn.apache.org/viewvc/commons/proper/cli/trunk/src/java/org/apache/commons/cli/HelpFormatter.java?revision=779646&view=markup

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