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https://issues.apache.org/jira/browse/JS2-930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ate Douma resolved JS2-930.
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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
> data.
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