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https://issues.apache.org/jira/browse/LANG-822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb resolved LANG-822.
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Resolution: Fixed
Fix Version/s: 3.2
> NumberUtils#createNumber - bad behaviour for leading "--"
> ---------------------------------------------------------
>
> Key: LANG-822
> URL: https://issues.apache.org/jira/browse/LANG-822
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.math.*
> Affects Versions: 3.1
> Reporter: Sebb
> Fix For: 3.2
>
> Attachments: LANG-822.patch
>
>
> NumberUtils#createNumber checks for a leading "--" in the string, and returns
> null if found. This is documented as a work round for a bug in BigDecimal.
> Returning nulll is contrary to the Javadoc and the behaviour for other
> methods which would throw NumberFormatException.
> It's not clear whether the BigDecimal problem still exists with recent
> versions of Java. However, if it does exist, then the check needs to be done
> for all invocations of BigDecimal, i.e. needs to be moved to createBigDecimal.
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