[jira] Commented: (WW-2534) Parameters interceptor does not understand method chaining

["Dave Newton (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/struts/browse/WW-2534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=43459#action_43459 ] 

Dave Newton commented on WW-2534:
---------------------------------

Method chaining doesn't follow the JavaBean spec; the expectation is that properties will follow the JavaBean convention.

I'm not closing this issue as another committer may want to add more, but this isn't a bug, it's expected behavior.

> Parameters interceptor does not understand method chaining 
> -----------------------------------------------------------
>
>                 Key: WW-2534
>                 URL: https://issues.apache.org/struts/browse/WW-2534
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Interceptors
>    Affects Versions: 2.0.11
>            Reporter: Johnny Wey
>            Priority: Minor
>
> While using method chaining (see http://martinfowler.com/dslwip/MethodChaining.html) for our domain objects, we noticed that Struts doesn't seem to understand the object's return reference for automatic object population from the page's form parameters.  We get the following message when trying to set parameters in this domain objects:
> ERROR ParametersInterceptor.setParameters()204 - ParametersInterceptor - [setParameters]: Unexpected Exception caught setting '[domainProperty]' on 'class [our action]': Error setting expression '[ourExpression]' with value '[Ljava.lang.String;@81b051'
> (The items in [ ] I have replaced with generic descriptions of the specific values)
> Removing the returned reference value fixes the problem, and the interceptor runs as advertised.
> Thanks!
> Johnny Wey

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