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Musachy Barroso commented on WW-3306:
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I fixed the problem for the inherited properties, so #6 now works. This expression checking
thing only works for simple(nested) properties, but it doesn't for method invocations, etc
etc. If you look at OgnlValueStack:findAvailableProperties you will see why. I will give this
some thought and see what we can do, but the current implementation is not flexible enough,
and there is no quick fix.
> Null value accepted from action property, but not model property when throwExceptionOnFailure=true
> --------------------------------------------------------------------------------------------------
>
> Key: WW-3306
> URL: https://issues.apache.org/struts/browse/WW-3306
> Project: Struts 2
> Issue Type: Bug
> Components: Value Stack
> Affects Versions: 2.2.0
> Reporter: Andreas Krüger
> Assignee: Musachy Barroso
> Fix For: 2.2.0
>
> Attachments: WW3306.zip
>
>
> In this project, we experiment with setting struts.el.throwExceptionOnFailure=true to
catch errors.
> We use <s:property value="myprop" /> in our JSP.
> Occasionally, the property thus referenced is null. We want struts to insert an empty
string in that case.
> This it duely does, when either struts.el.throwExceptionOnFailure=false or when the property
is from an action object.
> However, if the property is from a model object and struts.el.throwExceptionOnFailure=true,
this bombs out.
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