And hello once more. It seems I had problems with the HTTP headers. Raising the maximum Size in Apache, Tomcat and the jk-worker (yes, all three) helped to solve my problem. This is just an information for the next person that encounters a similar issue. Thilo -----Ursprüngliche Nachricht----- Von: [email protected] [mailto:[email protected]] Im Auftrag von Schmidt, Thilo (VZ) Gesendet: Montag, 23. September 2013 10:58 An: '[email protected]' Betreff: Re: [xwiki-users] AJAX requests don't finish / 401 Error Hello again. I had a look at the http headers both sent and received with the tool "LiveHttpHeaders" and found out, that indeed every GET-request is answered with a 401 ("Forbidden"), then resent with an "Authorization" field and answered with a 200 ("OK"). So the problem does not seem to be in my setup and/or Kerberos, but maybe in the xwiki itself? What can I do to make xwiki show the correct result for AJAX requests? Thilo

Hello.

In short: Ajax requests like loading the attachment section, showing the user list or autocompleting searches don't work in my wiki. I see only the loading bar/circle and nothing else happens.

When watching with Firebug, I realise there are two identical requests each, both with "401: Forbidden". The weird thing is, that the finished/aborted request got a result, but the wiki doesn't show it. The double-request is due to (I think) the Kerberos SSO, since the common way to authenticate seems to be to submit a request without credentials first, waiting for a 401 and then requesting again, this time with credentials.

Fun fact: if i right-click the url in Firebug and choose "open in new tab", i get the correct resultset.

A screenshot of the Firebug console can be found here: http://i39.tinypic.com/2moxw6v.png

My setup: Apache that authenticates via Kerberos (and AD), then transfers to tomcat where the user is logged into the xwiki 3.1.4 automatically (this works).

The wiki worked fine when I used NTLM authentication (wich only authenticates once per session, not for each HTTP-request)

Did anyone encounter similar problems and is able to help me with this? Also, feel free to ask if you need more information.

Thilo

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