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Posted to jetspeed-dev@portals.apache.org by "Dennis Dam (JIRA)" <je...@portals.apache.org> on 2009/02/18 10:45:03 UTC
[jira] Created: (JS2-930) Expires header set to 0 does not cause
round-trip in IE
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
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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[jira] Updated: (JS2-930) Expires header set to 0 does not cause
round-trip in IE
Posted by "Dennis Dam (JIRA)" <je...@portals.apache.org>.
[ https://issues.apache.org/jira/browse/JS2-930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dennis Dam updated JS2-930:
---------------------------
Fix Version/s: (was: 2.2.0)
2.2.1
they're using a workaround in html now by setting the meta-equiv "Cache-Control" to "max-age=-1".
> 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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[jira] Commented: (JS2-930) Expires header set to 0 does not cause
round-trip in IE
Posted by "Dennis Dam (JIRA)" <je...@portals.apache.org>.
[ https://issues.apache.org/jira/browse/JS2-930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12696517#action_12696517 ]
Dennis Dam commented on JS2-930:
--------------------------------
sent a reminder to Remco, waiting for response.
> 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: 2.2.0
>
>
> 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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[jira] Commented: (JS2-930) Expires header set to 0 does not cause
round-trip in IE
Posted by "Dennis Dam (JIRA)" <je...@portals.apache.org>.
[ https://issues.apache.org/jira/browse/JS2-930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703522#action_12703522 ]
Dennis Dam commented on JS2-930:
--------------------------------
postponing it until the next release.
More info: http://support.microsoft.com/kb/234067
> 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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[jira] Resolved: (JS2-930) Expires header set to 0 does not cause
round-trip in IE
Posted by "Ate Douma (JIRA)" <je...@portals.apache.org>.
[ 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 data.
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[jira] Commented: (JS2-930) Expires header set to 0 does not cause
round-trip in IE
Posted by "Dennis Dam (JIRA)" <je...@portals.apache.org>.
[ https://issues.apache.org/jira/browse/JS2-930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12674624#action_12674624 ]
Dennis Dam commented on JS2-930:
--------------------------------
I wasn't able to reproduce this bug in IE 5.5 / 6 / 7 using Jetspeed 2.2-SNAPSHOT
What I did:
Installed jetspeed trunk in a local tomcat.
Go to http://localhost:8080/jetspeed/portal
Go to a random page
Press back button
In Fiddler I see the round-trip happening for IE 5.5 / 6 / 7. Btw, also tested it in Chrome: works fine as well.
Also tested it with the Jetspeed desktop (Ajaxized version of the portal, http://localhost:8080/desktop), navigating back and forth using the back/forward button does not show outdated content. Using Fiddler, I see the caching headers mentioned above. Remco, could you provide more details on this issue?
> 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
>
>
> 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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