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From KonTiki <pacifickont...@gmail.com>
Subject RE: Redirect-Action type result warns of caught exception when passing param
Date Mon, 05 May 2008 13:05:06 GMT

Hello Brad,

Excellent! Precise and clear.

Regards,
Kety.


Brad A Cupit wrote:
> 
>> I'm of the opinion that an exception in my
>> console means something is amiss though...
> 
> you've stumbled upon a little wart in the code. First things first, the
> exception is harmless and can be safely ignored.
> 
> A more detailed explanation can be found in a comment within
> ObjectFactory.buildResult(..), posted below (slightly reformatted):
> 
> // ognl exceptions could be thrown and be ok if, for example, the result
> // uses parameters in ways other than as properties for the result
> object.
> // For example, the redirect result from Struts 2 allows any parameters
> // to be set on the result, which it appends to the redirecting url.
> // These parameters wouldn't have a corresponding setter on the result
> // object, so an OGNL exception could be thrown.  Still, this is a
> misuse
> // of exceptions, so we should look at improving it.
> 
> Basically, parameters for the result are first set via setters on the
> Result object itself. If they don't exist, an exception is thrown and
> ignored. ServletRedirectResult and ServletActionRedirectResult both use
> params to mean "query string/url parameters" as opposed to properties on
> the Result object, so when using params on ServletRedirectResult or
> ServletActionRedirectResult, the exception is expected and acceptable.
> 
> Brad Cupit
> Louisiana State University - UIS
> 
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> 

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