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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. It may happen that the information stored in the cache is not up-to-date due to changes you did recently. This sometimes causes some problems.

Contents

  1. When should I empty which cache?
  2. How to empty the cache?

When should I empty which cache?

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 may 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.

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'

emptycache2.jpg

3. In the next select box choose 'ID-to-path mapping' . Following view appears:

emptycache3.jpg

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