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https://issues.apache.org/jira/browse/ISIS-2510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17274400#comment-17274400
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Daniel Keir Haywood commented on ISIS-2510:
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[~hobrom] - Martin Hesse saw something like this also, I think.  As a 
workaround, I think that removing the wildcard, ie 
Collection<ApplicationPermission> might work.

My guess is that our code to infer the type from Collection<? extends 
ApplicationPermission> isn't quite sophisticated enough (but it can cope with 
the non-wildcard version).

I was about to say that another workaround is to explicitly specify the type 
using typeOf, but I see that in your example you are saying that doesn't work; 
so maybe that's a precedence issue with the annotatino-based facet being 
overridden by that inferred from the return type?

> WicketViewer: collection rendering issue
> ----------------------------------------
>
>                 Key: ISIS-2510
>                 URL: https://issues.apache.org/jira/browse/ISIS-2510
>             Project: Isis
>          Issue Type: Bug
>          Components: Isis Viewer Wicket
>            Reporter: Andi Huber
>            Assignee: Andi Huber
>            Priority: Major
>             Fix For: 2.0.0-M5
>
>
> Collection of same typeOf (element type) render differently depending on 
> whether originating from an action result or from a viewmodel field.
> For an example see comment.



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