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https://issues.apache.org/jira/browse/JEXL-169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Biestro resolved JEXL-169.
--------------------------------
Resolution: Fixed
JexlArithmetic.isFloatingPointNumber(...) now checks much more precisely
whether a string is amenable to float coercion.
src/main/java/org/apache/commons/jexl3/JexlArithmetic.java
src/test/java/org/apache/commons/jexl3/ArithmeticTest.java
src/site/xdoc/changes.xml
Committed revision 1692633.
> A string is wrongly identified as FloatingPointNumber
> -----------------------------------------------------
>
> Key: JEXL-169
> URL: https://issues.apache.org/jira/browse/JEXL-169
> Project: Commons JEXL
> Issue Type: Bug
> Affects Versions: 2.1.1
> Reporter: Robert Neßelrath
> Assignee: Henri Biestro
> Priority: Minor
> Fix For: 3.0
>
>
> When concatenating two strings with one containing an 'e' character, an
> ArithmeticException is thrown.
> The problem lies in the JexlArithmetic.isFloatingPointNumber() method in line
> 200.
> return ((string.indexOf(46) != -1) || (string.indexOf(101) != -1) ||
> (string.indexOf(69) != -1));
> With this solution also the String "New York" or "hello.world" are floating
> point numbers. A solution with a regular expression would be better
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