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https://issues.apache.org/jira/browse/WICKET-5163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Zabel updated WICKET-5163:
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Attachment: inheritanceandmarkuploading.zip
> Implementing markup loading by extending ResourceStreamLocator produces
> errors with inherited markup
> ----------------------------------------------------------------------------------------------------
>
> Key: WICKET-5163
> URL: https://issues.apache.org/jira/browse/WICKET-5163
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 6.7.0
> Reporter: Martin Zabel
> Priority: Minor
> Attachments: inheritanceandmarkuploading.zip
>
>
> According to Wicket wiki it should be possible to implement
> application-specific markup loading by extending ResourceStreamLocator
> (https://cwiki.apache.org/WICKET/control-where-html-files-are-loaded-from.html).
> The method ResourceStreamLocator#locate returns an IResourceStream.
> Therefore it should be possible to return a custom
> FileResourceStream/StringResourceStream/...
> However, whenResourceStreamLocator#locate returns anything else than the
> standard implementation this works only as long as no markup inheritance is
> involved.
> When any markup inherited from other markup is loaded, the following stack
> trace is printed:
> ERROR - MarkupFactory - Markup not found: Base markup of
> inherited markup not found. Component class: my.package.HomePage. Enable
> debug messages for
> org.apache.wicket.core.util.resource.locator.ResourceStreamLocator to get a
> list of all filenames tried.
> org.apache.wicket.markup.MarkupNotFoundException: Base markup of inherited
> markup not found. Component class: my.package.HomePage. Enable debug messages
> for org.apache.wicket.core.util.resource.locator.ResourceStreamLocator to get
> a list of all filenames tried.
> at
> org.apache.wicket.markup.loader.InheritedMarkupMarkupLoader.loadMarkup(InheritedMarkupMarkupLoader.java:71)
> at
> org.apache.wicket.markup.loader.DefaultMarkupLoader.loadMarkup(DefaultMarkupLoader.java:52)
> at
> org.apache.wicket.markup.MarkupFactory.loadMarkup(MarkupFactory.java:412)
> at
> org.apache.wicket.markup.MarkupCache.loadMarkup(MarkupCache.java:448)
> ...
> ERROR - DefaultExceptionMapper - Unexpected error occurred
> org.apache.wicket.markup.MarkupNotFoundException: Can not determine Markup.
> Component is not yet connected to a parent. [Page class =
> my.package.HomePage, id = 0, render count = 1]
> at org.apache.wicket.Component.getMarkup(Component.java:736)
> at org.apache.wicket.Component.internalRender(Component.java:2335)
> at org.apache.wicket.Component.render(Component.java:2298)
> at org.apache.wicket.Page.renderPage(Page.java:1010)
> at
> org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:116)
> ...
> The attached source shows this issue. HomePage is loaded without any problem.
> Clicking the link to view InheritingPage makes the error occur. When exactly
> the same html code is loaded from the standard file location there is no
> problem at all.
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