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https://issues.apache.org/jira/browse/TAPESTRY-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Howard M. Lewis Ship closed TAPESTRY-1555.
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Resolution: Invalid
Assignee: Howard M. Lewis Ship
The If component doesn't render anything if it's test parameter is false.
This is user error: you've specifically said "don't render anything" and it's
Tapestry fault that nothing is rendered?
A related bug will have improved the error message that Tapestry displays in
this circumstance (though it may be somewhat misdirected, since it chats about
a missing page template, which isn't the case in this situation).
> Pages / Components do not render correctly when the root component of the
> template is a tapestry component
> ----------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-1555
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1555
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.0, 5.0.3, 5.0.4
> Reporter: Kalin Krustev
> Assignee: Howard M. Lewis Ship
>
> A page / component with the following template
> <t:if test="false"
> xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
> BODY
> </t:if>
> raises an exception "No root element has been defined."
> A page / component with the following template
> <t:if test="false"
> xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
> BODY
> </t:if>
> does not render its BODY.
> I think this is a general problem, because I also tried with component
> written by me (even with empty class and no template) and got the same
> results.
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