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From "Musachy Barroso (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (WW-3306) Null value accepted from action property, but not model property when throwExceptionOnFailure=true
Date Wed, 04 Nov 2009 17:55:13 GMT

     [ https://issues.apache.org/struts/browse/WW-3306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Musachy Barroso resolved WW-3306.
---------------------------------

    Resolution: Not A Problem

This works for me, the problem is in your JSP:

<s:if test="bomb">
   <p>Accessing a nested null property: &ldquo;<s:property value="deep.modelProp"
/>&rdquo;</p>
</s:if> 

the property is called "modelprop"" not "modelProp", that's why you get the error.

> 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 Kr├╝ger
>            Assignee: Musachy Barroso
>             Fix For: 2.2.0
>
>
> 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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