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From "Christophe Cordenier (JIRA)" <j...@apache.org>
Subject [jira] Commented: (TAP5-1235) The interaction between a Form component and the active page can be problematic when there is an error loading a page
Date Fri, 06 Aug 2010 09:40:17 GMT

    [ https://issues.apache.org/jira/browse/TAP5-1235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12896008#action_12896008
] 

Christophe Cordenier commented on TAP5-1235:
--------------------------------------------

This is also related to TAP5-1201

We have to consider also the loopback feature too

> The interaction between a Form component and the active page can be problematic when
there is an error loading a page
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: TAP5-1235
>                 URL: https://issues.apache.org/jira/browse/TAP5-1235
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.2.0
>            Reporter: Howard M. Lewis Ship
>
> This only occurs when there's an overridden ExceptionReport page, and it contains a Form.
Presumably, an app that redirects to another application page instead of ExceptionReport could
also be affected.
> Form uses RequestGlobals.activePageName to fire an event on the active page; in an error,
that is often the page that could not be loaded. This results in another exception and a 500
response to the user. Very hard to track down.
> This could be solved by changing some code to update the active page name just as the
response starts to render; this would ensure that the Form is able to communicate with the
correct (rendering) page.
> Also, the Form should be more capable of dealing with no active page (RequestGlobals.activePageName
is null).

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