Ajax dialogs show main admin dashboard

[MennovdH]

I'm moving my Xenforo installation to a new server (Threadripper - yay!), and I'm seeing a really odd problem.
It seems like every ajax dialog - instead of showing the proper options - just loads the main admin dashboard.

A picture probably illustrates this best:


Same thing for, for instance, clearing the logs.

I am using:
- v2.2.10 Patch 1
- PHP 8.1.7
- MySql 8.0.29 (8.0.29-21)

There's a varnish installation, but for Xenforo URL's it just does a pass through. This hasn't been a problem in the old environment where we had a similar setup.

Clearly something is going wrong in the routing. Any ideas how to fix this?

Thanks!

 

[fly]

What does your Chrome/FF/Edge console say?

 

[MennovdH]

There aren't any javascript errors, just a few warnings about css preloads and such.

The URL that is called by the interface looks right to my eyes: https://new.server.ext/forum/admin....d87e54f9c154d0630a645d13&_xfResponseType=json

I still suspect the problem at the server side, rather than the client.

 

[MennovdH]

Still haven't figured this out.
I tried downgrading the PHP version to 7.4.something, but that did not change a thing.

Looking at the data I'm getting back from the server, it really is just the admin homepage encoded into a json payload. Clearly the routing goes haywire for some reason.
Nobody out there who can help? Otherwise I'll have spend hours upon hours digging.

 

[rdn]

What is the web server? Nginx or Apache?

 

[MennovdH]

This is on Apache. I can find out the exact version if you expect this is important.

 

[rdn]

I'm not an Apache user, but try disabling the friendly URL and SEO options, as well as renaming or removing the /.htaccess file.

 

[fly]

Have you opened a ticket with support?

 

[Paul B]

Have you opened a ticket with support?

This would be something for the host/sysadmin to investigate and resolve.

 

[fly]

This would be something for the host/sysadmin to investigate and resolve.

Is it really completely out of scope for you guys?

 

[Paul B]

Yes - it's server related.

 

[MennovdH]

Good news! I found the problem!

Turns out it was Varnish after all. Every request was passed through, but the 'sortquery' options was active. That means the path portion of the querystring got moved to the back by other parameters that alphabetically came before. E.g.

/forum/admin.php?templates/add&style_id=2 became /forum/admin.php?style_id=2&templates/add

Et voila, there's your problem. Turns out the ajax was a red herring, but it manifested there more often because those urls tend to have more querystring parameters.

 

[Paul B]

Varnish was my first thought as we have seen numerous issues caused by it but you said this so I assumed it was not involved:

There's a varnish installation, but for Xenforo URL's it just does a pass through.

 

[TPerry]

Varnish... the bane of many (you need to be a Bobby Boucher fan to recognize the meme).

 

[MennovdH]

Varnish was my first thought as we have seen numerous issues caused by it but you said this so I assumed it was not involved.

Yep. I thought the same. Guess the lesson here is to never trust what your sysadmin tells you.