[jira] [Closed] (TAP5-1329) Tapestry allows a template to define the same extension-point id twice, which causes difficult to understand duplicate component id exceptions

["Howard M. Lewis Ship (Closed) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAP5-1329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Howard M. Lewis Ship closed TAP5-1329.
--------------------------------------

       Resolution: Fixed
    Fix Version/s: 5.3
    
> Tapestry allows a template to define the same extension-point id twice, which causes difficult to understand duplicate component id exceptions
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TAP5-1329
>                 URL: https://issues.apache.org/jira/browse/TAP5-1329
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.2.2
>            Reporter: Howard M. Lewis Ship
>            Assignee: Howard M. Lewis Ship
>             Fix For: 5.3
>
>
> Probably dates back to 5.1.
> If the parent template looks like:
> <t:extension-point id="foo"/> ... <t:extension-point id="foo"/> ...
> and the child template extends:
> <t:replace id="foo"> <t:form t:id="myForm"> ... </t:replace>
> then the exception is that myForm is a duplicate embedded component id.
> Effectively, Tapestry has "pasted" the <t:form ...> into two places of the parent template.
> Tapestry should have thrown an exception when parsing the parent template.

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