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From Lukasz Lenart <lukaszlen...@apache.org>
Subject Re: Different name mapping in Struts 2.3.28 (was Re: [ANN] Apache Struts 2.3.28 GA)
Date Wed, 30 Mar 2016 13:05:37 GMT
2016-03-30 14:43 GMT+02:00 Markus Fischer <Markus.Fischer@knipp.de>:
> Hi all,
>
> after migrating from Struts 2.3.24.1 to 2.3.28, I get several FreeMarker
> template errors for missing/null elements for expressions that worked
> fine before, like this:
>
>> FreeMarker template error
>>
>> The following has evaluated to null or missing:
>> ==> iPhone  [in template "..." at line X, column Y]
>
> What the problematic expressions have in common is that the Java methods
> they refer to have camel case names with (at least?) two consecutive
> upper case letters, as in "isIPhone". This seems to be mapped in a
> different way with Struts 2.3.28 than it has been before. (See below for
> two examples of the different mapping behaviour in Struts 2.3.24.1 and
> 2.3.28).
>
> My question is: Is this a bug? Or is this something that was introduced
> intentionally to comply with some standard or convention?
>
> Examples for Freemarker expression evaluation
>
> ==> iPhone (Method name: isIPhone)
>
> Expr.   | 2.3.24.1      | 2.3.28
> iPhone  | OK            | error
> IPhone  | OK            | OK
>
>
> ==> hCardElements (getHCardElements)
>
> Expression      | 2.3.24.1      | 2.3.28
> hCardElements   | OK            | error
> HCardElements   | OK            | OK

It's due to fixed OGNL version which properly supports JavaBean
Specifications now. You can revert to prior version of OGNL to keep
the old behaviour.

See those issues
https://issues.apache.org/jira/browse/WW-3909
https://issues.apache.org/jira/browse/WW-4616

and here you have another one
https://github.com/jkuhnert/ognl/pull/21


Regards
-- 
Ɓukasz
+ 48 606 323 122 http://www.lenart.org.pl/

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