[Forum] Error when viewing New Posts on 4.0.1 in Firefox

[Sharkman]

I just upgraded to 4.0.1. No errors during the upgrade, and everything was working fine (other than known bugs) with 4.0.0.

Now, though, when I click on New Posts from Firefox, the browser reports a page not found error. Fiddler shows the following request:

GET /search.php?do=getnew&contenttype=vBForum_Post

and the following response:

HTTP/1.1 302 Redirect
Content-Type: text/html; charset=UTF-8
Location: http://www.mydomain.com\/search.php?searchid=834
Server: Microsoft-IIS/7.0
X-Powered-By: PHP/5.2.5
Date: Wed, 13 Jan 2010 06:14:22 GMT
Via: 1.1 bc7
Content-Length: 180
Connection: Keep-Alive

Note the "\/" characters in the response. Maybe this is happening because my site is hosted at the top level of the domain, and not under "/forum/"?

URL rewriting is not enabled. I tried standard and advanced URLs from the VB ACP, and they both have the same error.

It works OK in IE; the same URL appears, but IE handles it OK.

EDIT: it's not just New Posts; various other links have the same problem.

[Trevor Hannant]

Are you using rewrite rules on the site? Has the following setting got a trailing slash when it shouldn't:

AdminCP > Settings > Options > Site Name / URL / Contact Details > Forum URL

[Sharkman]

No rewrite rules. Everything worked fine with 4.0.0. The Forum URL is set correctly.

I ended up debugging it myself. Here's a fix that worked for me. In class_core.php, search for "dirname", and change the line to this:

define('VB_URL_SCRIPT_PATH', rtrim(str_replace('\\','',dirname($url_info['script'])), '/') . '/');

I also posted the solution on another thread, and it worked for a couple of other people, too:

http://www.vbulletin.com/forum/showthread.php?336725-Upgrade-to-4-0-1-broke-all-CMS-articles-by-adding-extra-after-domain

[Dunhamzzz]

PL1 here we come.

[ALFARiS]

PL1 here we come.

Was about to say it