[jira] Commented: (TAPESTRY-600) FieldLabel component needs to call Form.prerenderField even when rewinding

["Ben Pryor (JIRA)" <ta...@jakarta.apache.org>]

    [ http://issues.apache.org/jira/browse/TAPESTRY-600?page=comments#action_12320167 ] 

Ben Pryor commented on TAPESTRY-600:
------------------------------------

This patch isn't a complete fix - better hold off on it for a bit or have someone with more knowledge of the involved classes take a look at it. I've been doing some testing and am still getting stale link exceptions. I'll comment further when I know more.

> FieldLabel component needs to call Form.prerenderField even when rewinding
> --------------------------------------------------------------------------
>
>          Key: TAPESTRY-600
>          URL: http://issues.apache.org/jira/browse/TAPESTRY-600
>      Project: Tapestry
>         Type: Bug
>   Components: Framework
>     Versions: 4.0
>     Reporter: Ben Pryor
>  Attachments: patch.txt
>
> The FieldLabel component prerenders its associated field to allow validation decoration to work properly.  However, it only prerenders the field during the render cycle and not during the rewind cycle. If there are any form components after the FieldLabel but before the FieldLabel's field, the render sequence will differ upon rewind and throw a StaleLinkException. The fix should be that FieldLabel always calls to form.prerenderField, ensuring a consistent render sequence.

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