[TYPO3-core] RFC: adminpanel and caching problems

Michael Stucki michael at typo3.org
Sat Jul 1 19:05:51 CEST 2006


Michael Stucki wrote:

> According to http://wiki.typo3.org/index.php/Core_Development there are no
> open issues with the admin panel.
> I just tried in Firefox and don't see any problems, but I don't have a
> RealUrl setup at hand.
> Can anyone confirm that all issues have been solved? Thanks.
> Regards, michael
> rupert germann wrote:
>> Hi,
>> Since the adminpanel now uses GET instead of POST vars TYPO3 will disable
>> caching on pages that use a cHash in the GET vars if a reload of the page
>> is initiated by the adminpanel.
>> Steps to reproduce: open a page whose content depends on plugin
>> parameters which contain a chash (e.g. a tt_news single view). Then open
>> the Typoscript section of the adminpanel and enable the "Display
>> messages" checkbox. You'll see something like this:
>> The incoming cHash "6837c0aad6" and calculated cHash "2f8e2a20bb" did not
>> match, so caching was disabled. The fieldlist used
>> was "TSFE_ADMIN_PANEL[display_cache],TSFE_ADMIN_PANEL[display_edit],.....
>> this is quite bad because before changing the adminpanel from GET to
>> POSTvars this section (or the info section) was a reliable tool for
>> finding caching problems in extensions - now this doesn't work anymore
>> because without having opened the Typoscript section one can't be shure
>> if the disabled cache was caused by an extension problem or by the
>> adminpanel itself.
>> Solution:
>> the only solution that comes to my mind is reverting the complete thing
>> again from GET to POST vars.
>> any other ideas?
>> greets
>> rupert

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