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From "Michael Edge" <>
Subject Displaying 'progress' screen for long running reports
Date Fri, 08 Nov 2002 09:24:09 GMT


I have a Cocoon application that provides a front-end to a reporting system, and some of the
reports take quite a while to run - in the order of 5-10 minutes. I need to provide a feature
whereby the user submits the report request and a screen appears that polls the report every
10 seconds or so to determine if the reporting file has been created. When it has, it will
be displayed, otherwise the screen will keep displaying a helpful message to the user. Any
ideas on how to do this using Cocoon?

The workflow is something like this:
1) User clicks 'Run Report'
2) Request is submitted to reporting system and a helpful 'progress' screen is returned to
the user
3) The progress screen checks for the report by submitting a URL. If a 404 is returned, continue
to display the 'progress' screen, otherwise display the report.




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