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From "Dragan Sahpaski (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TAP5-1890) PlaceholderBlock should implement RenderCommand
Date Thu, 29 Mar 2012 16:32:27 GMT
PlaceholderBlock should implement RenderCommand
-----------------------------------------------

                 Key: TAP5-1890
                 URL: https://issues.apache.org/jira/browse/TAP5-1890
             Project: Tapestry 5
          Issue Type: Bug
          Components: tapestry-core
    Affects Versions: 5.3.2, 5.4
            Reporter: Dragan Sahpaski
            Priority: Trivial


If we have an empty zone like this:
<t:zone t:id="myZone" />

zone.getBody() fails to update the zone in an event handler with the following exception:

org.apache.tapestry5.ioc.util.UnknownValueException
A component event handler method returned the value <PlaceholderBlock>. Return type
org.apache.tapestry5.internal.structure.ComponentPageElementImpl$PlaceholderBlock can not
be handled.

This is because ComponentPageElementImpl.PlaceholderBlock does not implement RenderCommand.

A patch is provided with a test that fails.

I would highly appreciate it if a commiter applies it to the 5.4. branch and to the 5.3. branch.

Cheers,
Dragan Sahpaski

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