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From "Ate Douma (JIRA)" <jetspeed-...@portals.apache.org>
Subject [jira] Resolved: (JS2-930) Expires header set to 0 does not cause round-trip in IE
Date Thu, 18 Feb 2010 15:08:27 GMT

     [ https://issues.apache.org/jira/browse/JS2-930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Ate Douma resolved JS2-930.

    Resolution: Cannot Reproduce

Dennis, I think you more than enough tested the reported issue without being able to reproduce.
If someone still encounters this problem, please create a new issue instead.
Closing as "Cannot Reproduce"

> Expires header set to 0 does not cause round-trip in IE
> -------------------------------------------------------
>                 Key: JS2-930
>                 URL: https://issues.apache.org/jira/browse/JS2-930
>             Project: Jetspeed 2
>          Issue Type: Bug
>          Components: Components Core
>            Reporter: Dennis Dam
>            Assignee: Dennis Dam
>            Priority: Minor
>             Fix For: 2.2.1
> As reported by Remco Nabuurs. Jetspeed sets the following HTTP response headers by default:
> Cache-Control: no-store, no-cache, private
> Pragma: no-cache
> Expires: 0
> To force a round trip in IE when pressing the BACK button, the expires header needs to
be set to -1.  Firefox and Safari assign a higher priority to the expires header and perform
a round trip. When an application makes use of Ajax calls in-between requests, and an application
architecture is adhered (the Ajax calls change server state), this leads to pages with out-of-sync

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