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https://issues.apache.org/jira/browse/TAPESTRY-2736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12778789#action_12778789
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howard kelsey commented on TAPESTRY-2736:
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Hi Greg
You are correct in that using #this will make the expression work, this is
because from what I can remember it won't cache the expression but rather
evaluate it everytime. Which means that you don't get the performance gain that
Tap4.1 promises for expressions.
> Ognl doesn't evaluate dynamic expressions correctly
> ---------------------------------------------------
>
> Key: TAPESTRY-2736
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2736
> Project: Tapestry
> Issue Type: Bug
> Components: Framework
> Affects Versions: 4.1.6
> Environment: java 1.5, tomcat 5.5
> Reporter: howard kelsey
> Priority: Critical
> Attachments: ognlTestCase.tar.gz
>
>
> Ognl doesn't evaluate dynamic expressions correctly anymore.
> For instance if you have the ognl expression
> content.domain[sharedPickerProperty] where sharedPickerProperty is a property
> of the page that is updated during a For loop the value returned is always
> that of content.domain.'first value of sharedPickerProperty'. This used to
> work in tapestry 4.0.x.
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