[jira] [Resolved] (LANG-971) NumberUtils#isNumber(String) fails to reject invalid Octal numbers

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

     [ https://issues.apache.org/jira/browse/LANG-971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb resolved LANG-971.
-----------------------

       Resolution: Fixed
    Fix Version/s: 3.3

URL: http://svn.apache.org/r1566967
Log:
LANG-971 NumberUtils#isNumber(String) fails to reject invalid Octal numbers

Modified:
    commons/proper/lang/trunk/src/changes/changes.xml
    commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
    commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/math/NumberUtilsTest.java


> NumberUtils#isNumber(String) fails to reject invalid Octal numbers
> ------------------------------------------------------------------
>
>                 Key: LANG-971
>                 URL: https://issues.apache.org/jira/browse/LANG-971
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.math.*
>    Affects Versions: 3.2.1
>            Reporter: Stephan Knitelius
>            Priority: Minor
>             Fix For: 3.3
>
>
> When trying to convert "0085" with NumberUtils.createInteger(String) an NumberFormatException is thrown. 
> This is because the leading 0 causes the String to be evaluated as an Octal, 8 is not a valid octal.
> However NumberUtils#isNumber(String) evaluates to true, even so it cannot be converted.  



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