dasch wrote:

When beeing logged in there is an error in line 15 of
http://www.wecowi.de/load.php?debug=false&lang=de&modules=jquery.checkboxShiftClick%2Ccookie%2CmakeCollapsible%2CmessageBox%2CmwPrototypes%2Cplaceholder%7Cmediawiki.action.watch.ajax%7Cmediawiki.language%2Cuser%2Cutil%7Cmediawiki.legacy.ajax%2Cwikibits%7Cmediawiki.page.mwsuggest%2Cready&skin=cavendish&version=20110814T203302Z&*

And it seams like this error breaks all other JavaScript

Can you be more specific ? I dont see any abnormalities on either of those links.

dasch wrote:

You have to compare the pages when you are logged in and when you are not logged in

Try the Testuser
User: Test1
Pwd: test

When logged in I see the following error:

[mediawiki.action.watch.ajax.js:101] Uncaught TypeError: Cannot call method 'replace' of null

I see your wiki is running trunk MediaWiki 1.19alpha. This bug was fixed a little while ago. Please update your repository check out to r94024 or later.

Marking as duplicate of bug 30259. Please re-open if updating your SVN did not fix it.

• This bug has been marked as a duplicate of bug 30259 ***

dasch wrote:

I've updated to latest from revision and nothing has changed.
I restarted apache and cleared Cache of my browser

somehow vector and monobook give other JavaScript errors
but with all skins the JavaScript does not work

dasch wrote:

setting
$wgAjaxWatch = false;
solves all problems

I see no errors in any of these skins on the provided links when either logged in or out

• cavendish
• vector
• monobook

(In reply to comment #6)

setting
$wgAjaxWatch = false;
solves all problems

No it hides the problem.