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https://issues.apache.org/jira/browse/WICKET-6266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15633550#comment-15633550
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Andrea Del Bene commented on WICKET-6266:
-----------------------------------------
Hi Sebastian,
this might be actually an issue with your component resolver. A component
resolver should keep tag's id updated with the id of the resolved component. So
in your case you should add a line where you set this id :
{code}
String id = "custom" + container.getPage().getAutoIndex();
//new line
wtag.setId(id);
return new WebMarkupContainer( id );
{code}
> Component resolvers & variation broken in 7.5.0
> -----------------------------------------------
>
> Key: WICKET-6266
> URL: https://issues.apache.org/jira/browse/WICKET-6266
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 7.5.0
> Reporter: Sebastian Gooren
> Assignee: Andrea Del Bene
> Attachments: quickstart.zip
>
>
> Auto components fail to render in certain cases due to changes in
> https://issues.apache.org/jira/browse/WICKET-6231.
> See attached quickstart.
> If you use a component resolver in a page which overrides {{getVariation()}},
> but the html file for that page is the "default" one (without the variation
> in the filename), wicket throws an RTE (MarkupNotFoundException: Markup not
> found for Component: [WebMarkupContainer [Component id = custom0]]).
> Debugging reveals that this is caused by the change to
> {{Component#getMarkup()}}. The markup that is set for auto-components might
> not have the same variation as the html file in which it is used. Because of
> this, the new {{markupHasCurrentVariation()}} returns {{false}}, and we fall
> through to the end of {{getMarkup()}}. As the auto-component is dynamically
> added on each render, {{parent.getMarkup(this)}} returns {{null}} - the
> markup id gets created on the fly by component resolvers.
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