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https://issues.apache.org/jira/browse/LANG-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12982990#action_12982990
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Paul Benedict commented on LANG-673:
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The error happens in line 627: {code}result.append(str.substring(0,
upper));{code}
> WordUtils.abbreviate() throws undocumented StringIndexOutOfBoundsException
> --------------------------------------------------------------------------
>
> Key: LANG-673
> URL: https://issues.apache.org/jira/browse/LANG-673
> Project: Commons Lang
> Issue Type: Improvement
> Affects Versions: 2.5
> Reporter: Paul Benedict
> Fix For: 3.0
>
>
> The javadoc does not indicate that the string must already be long enough to
> abbreviate; yet it really does or an Exception is thrown. For example, if you
> try to abbreviate a string of length 10 at 40 characters, this will fail. I
> believe this should be allowed... just without any abbreviation.
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