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https://issues.apache.org/jira/browse/TAPESTRY-2067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573195#action_12573195
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Andreas commented on TAPESTRY-2067:
-----------------------------------
Just to add...
The reason i found this is: using the element "contrib:AjaxStatus" is a
comfortable way of showing "please wait while your request is being processed"
to the user.
On the other hand i could think of many cases where an Ajax-Request could lead
to a Redirect as errors occured. So this way of use is very realistic in my
eyes.
> Parameter passing to pages doesn't work with AJAX-Requests (async=true)
> -----------------------------------------------------------------------
>
> Key: TAPESTRY-2067
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2067
> Project: Tapestry
> Issue Type: Bug
> Environment: Netbeans 6.0
> Tomcat 6.0.14
> Java 1.6.0_03
> Reporter: Andreas
> Fix For: 4.1.6
>
> Attachments: tapestry_testcase_issue2067.zip
>
>
> When using forms with async=true, parameter passing to a following page
> doesn't work. What happens is this:
> - Show Page A - Form.
> - User enters text in a box hits Enter/Submit
> - AJAX-Request starts, hits listener
> - Form-Listener (A) gets new Page and injects parameter (pageB.setXXX('foo'))
> - beginPageRender-Listener (B) of pageB fired
> - Listener (A) returns the redirect-request to Tapestry
> - ??? (AJAX-answer? don't really know, i haven't checked)
> - Tapestry starts listener B just AGAIN! (seems, that the redirect doesn't
> know anything more of the before-instantiated page and takes a new one)
> - pageB renders (but without the passed parameter as it uses a new pageB and
> not the first intantiated one
> - pageB renders without the passed parameter. :-(
> possible Workaround (not tested yet):
> - pass on the parameter via session
> Any other ideas?
> This issue is at least major in my eyes as using parameter-passing is
> essential! It should urgently being documented in wiki or the tapestry-docs.
> I'll try to add a testcase (this is my first bug here, so i don't know
> whether i am allowed to do so or not...)
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