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https://issues.apache.org/jira/browse/WICKET-5692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143797#comment-14143797
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ASF subversion and git services commented on WICKET-5692:
---------------------------------------------------------
Commit fe66a3836f87c7a98eb48a1c7432d4c7160036f3 in wicket's branch
refs/heads/wicket-6.x from [~tkruse]
[ https://git-wip-us.apache.org/repos/asf?p=wicket.git;h=fe66a38 ]
WICKET-5692: improved Unresolvable Property Message
(cherry picked from commit 09fc316b768968f99c2a80bda1dbaee7a596eb12)
> Misleading message in PropertyValidator
> ---------------------------------------
>
> Key: WICKET-5692
> URL: https://issues.apache.org/jira/browse/WICKET-5692
> Project: Wicket
> Issue Type: Improvement
> Reporter: Thibault Kruse
> Priority: Minor
>
> in org.apache.wicket.bean.validation.PropertyValidator.java:
> {code}
> if (property_ == null)
> {
> throw new IllegalStateException(
> "Could not resolve Property from
> component: " +
> component +
> ". Either specify the Property
> in the constructor or use a model that works in combination with a " +
>
> IPropertyResolver.class.getSimpleName() +
> " to resolve the Property
> automatically");
> }
> {code}
> The error message is misleading, as other causes might lead to a result of
> null. As PropertyResolvers can be of any type, the message should not assume
> any given cause, but may hint at common errors.
> In particular in my case when Using a bean Foo having a field bar of Type
> Bar, and a Model on an instance foo of Foo having null for field bar.
> Instead, it would be nice if the Error Message made an attempt to cast the
> component model to AbstractPropertyModel and print the propertyExpression, as
> well as the type of the modelObject, but without failure if the cast is not
> possible, and reporting the modelObject is null if so.
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