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| <<TableOfContents(1)>> = When should I empty which cache? = {{attachment:lightning.png}} ==== General Information ==== There are '''three types''' of caches you should know about: * '''Typo3 Page Cache''' stores the ee.ethz pages to grant visitors a faster access. * '''Real URL cache''' stores the links to each ee.ethz page. * '''Browser Page Cache''' stores all pages you visit in your browser to grant you a faster access to the pages you already visited. This has nothing to do with the ee.ethz Typo3 environment. How to empty each of them you see in '''Question 2 '' "How to empty the cache?" ''''' ==== Answer ==== It can happen that the information stored in the cache is not up-to-date due to changes you did recently. This sometimes causes some problems. Typical problems and approaches are listed below. * If you '''click on a link''' (e.g. in the menu) in the frontend and a '''wrong page appears''', even tough you linked everything right, there may be a cache-problem. -> Empty the '''''Real URL Cache''''' and try again. * You edited a page and your '''browser still shows the old page'''. -> Empty the '''''Browser Page Cache''''' and if that doesn't help, empty the '''''Typo3 Page Cache''''' = How to empty the cache? = ==== Answer ==== If you don't know which cache to empty, go to '''Question 1 '' "When should I empty which cache? ". ''''' ===== Typo3 Page Cache ===== 1. '''All pages:''' Click on the lightning with number 1 in the following image. 2. '''One page:''' Click on the page in the page tree, click on the lightning with number 2 in the following image. {{attachment:emptycache1.jpg}} ===== Real URL Cache ===== 1. In the main menu click ''''' 'Info' '''''. In the pagetree click on the page whose cache you want to empty. 2. In the uppermost select box choose ''''' ' Speaking Url Management' ''''' {{attachment:emptycache2.jpg}} /* same as collision1.jpg but with other numbers */ 3. In the next select box choose ''''' 'ID-to-path mapping' '''''. Following view appears: {{attachment:emptycache3.jpg}} /* same as collision2.jpg but with other numbers */ 4. Delete all Speaking Url paths using the trash icon. They will be built again. ===== Browser Page Cache ===== '''Firefox:''' Shift + Reload, alternatively: Tools -> Clear Private Data -> Cache -> Clear Private Data now '''Internet Explorer 7:''' Ctrl + Reload, alternatively: same procedure as in IE6 '''Internet Explorer 6:''' Tools -> Internet Options -> General -> Temporary Internet Files -> Delete Files -> OK '''Safari:''' Command+Option+E, alternatively: Safari -> Empty Cache |