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https://issues.apache.org/jira/browse/TAPESTRY-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546598
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Kalin Krustev commented on TAPESTRY-1555:
-----------------------------------------
Sorry, the second template is wrong (test should be true), I meant
<t:if test="true"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
BODY
</t:if>
does not render its BODY.
In the current version 5.0.6, components with such templates work fine, but
pages still throw exceptions:
<t:if test="false"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
BODY
</t:if>
throws
Page Test did not generate any markup when rendered. This could be because its
template file could not be located, or because a render phase method in the
page prevented rendering.
<t:if test="true"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
BODY
</t:if>
throws
This markup writer does not have a current element. The current element is
established with the first call to element() and is maintained across
subsequent calls.
It seems reasonable for the pages to throw such exceptions, but maybe in some
AJAX context one may need to use such "pages". Do you think this should be
reported as an issue?
> 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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