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https://issues.apache.org/jira/browse/TAP5-2063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13674589#comment-13674589
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Howard M. Lewis Ship commented on TAP5-2063:
--------------------------------------------
There is a critical problem with this fix.
I have an application that uses activation request parameters, and page links
that work by setting the value of an ARP directly (it's for paginating a list,
so there's an @ActivationRequestParameter on a page field, and PageLinks that
set the page as a parameter.
Because of the multi-valued support added with this bug, the final URL has two
values for page: the current page, and the requested page. This makes it
impossible to navigate to a different page.
> Add support for multivalued parameters in Link
> ----------------------------------------------
>
> Key: TAP5-2063
> URL: https://issues.apache.org/jira/browse/TAP5-2063
> Project: Tapestry 5
> Issue Type: Improvement
> Components: tapestry-core
> Reporter: Alejandro Scandroli
> Assignee: Kalle Korhonen
> Fix For: 5.3.7, 5.4
>
> Attachments: TAP5-2063_1.patch
>
>
> Request.java has support for multivalued parameters but there is no way to
> add more than one parameter with the same name to the Link. Instead of
> throwing an IllegalArgumentException when the link already has a parameter
> with the same name Link.addParameter should add it to the URL as a
> multivalued parameter.
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