Media library uploads fail on first upload

[rosmith@…]

When using IIS7 on Windows 2008 R2, WP3RC1 is in multisite / subsite mode, new uploads to the Media library fail with upload.php giving a 404 error.

If I upload an image while creating a post, the upload succeeds and thereafter the Media Library functions as expected.

[ryan]

See #13644

[rosmith@…]

Here's another clue: it *works* as expected if you are physically on the computer where WP is hosted. To be sure this wasn't some junky mess from the beta release, I installed Windows 2008 R2 and WP3 fresh this morning and go the same exact results as before when accessing the site from another computer. But when I access it from the same computer, it behaves.

[ryan]

Did you use the latest nightly of 3.0, or RC1? There have been some related fixes since RC1.

[rosmith@…]

Replying to ryan:

Did you use the latest nightly of 3.0, or RC1? There have been some related fixes since RC1.

RC1. Will try last build right now.

[rosmith@…]

Replying to ryan:

Did you use the latest nightly of 3.0, or RC1? There have been some related fixes since RC1.

Same result with nightly build.

[ryan]

You may need to "Save Changes" on the Settings -> Permalinks page to force an update of web.config.

Some related problems are being investigated for #13644.

xref #13679

[rosmith@…]

Replying to ryan:

You may need to "Save Changes" on the Settings -> Permalinks page to force an update of web.config.

Some related problems are being investigated for #13644.

xref #13679

Thanks for the tips, but still no luck. Strangely, all the imported rules weren't in my web.config file, so I re-pasted them from the Network page. Still got the same results, though.

[bloggus]

I'm using IIS6 and latest WordPress 3.0-RC2. Using isapi_rewrite for SEF links.

I can't see any of this issues at all.

This is probably on IIS7 error, especially with web.config.

[Frumph]

web.config revamp

[Frumph]

@rossmith I attached a new web.config could you please give it a try and see if you still have the same issue?

[rosmith@…]

Replying to Frumph:

@rossmith I attached a new web.config could you please give it a try and see if you still have the same issue?

With the new web.config, I was unable to log on to a subsite at all. Once I gave my credentials, I got a 404 error.

[Frumph]

What URLRewrite module are you using? ​http://www.iis.net/download/urlrewrite ? subsite = (subdirectory/subdomain)? the above web.config is what I revamped this morning for subdomain. That whole 'it works if i'm local on the machine' leads me to believe that your IIS isn't supporting $_SERVER variables from remote users but I would rather believe it's the web.config

[Frumph]

Is your PHP mapped isapi/cgi/fast-cgi?

[ruslany]

When you get 404 for upload.php and you are on a remote computer, what is the full URL that gives 404? Is it ​http://localhost/wp-admin/upload.php or ​http://yourblogdomain.com/wp-admin/upload.php ?

[rosmith@…]

Replying to ruslany:

When you get 404 for upload.php and you are on a remote computer, what is the full URL that gives 404? Is it ​http://localhost/wp-admin/upload.php or ​http://yourblogdomain.com/wp-admin/upload.php ?

​http://blogs.mydomain.com/mysubsite/wp-admin/upload.php

[rosmith@…]

Replying to Frumph:

Is your PHP mapped isapi/cgi/fast-cgi?

Fast-cgi, this was installed using the Web Platform installer.

[rosmith@…]

Replying to Frumph:

What URLRewrite module are you using? ​http://www.iis.net/download/urlrewrite ? subsite = (subdirectory/subdomain)? the above web.config is what I revamped this morning for subdomain. That whole 'it works if i'm local on the machine' leads me to believe that your IIS isn't supporting $_SERVER variables from remote users but I would rather believe it's the web.config

URL Rewrite is v.2. I installed it on 5/16/2010 using the Web Platform Installer v2

[rosmith@…]

Replying to rosmith@…:

Replying to Frumph:

What URLRewrite module are you using? ​http://www.iis.net/download/urlrewrite ? subsite = (subdirectory/subdomain)? the above web.config is what I revamped this morning for subdomain. That whole 'it works if i'm local on the machine' leads me to believe that your IIS isn't supporting $_SERVER variables from remote users but I would rather believe it's the web.config

URL Rewrite is v.2. I installed it on 5/16/2010 using the Web Platform Installer v2

How would I check your $_SERVER theory?

[ryan]

(In [15171]) Use admin_url() for the media-upload.php url. see #13685

[ryan]

The media library uploader was the only place where media-upload.php was being used as a form action with being wrapped in admin_url(). Let's see if [15171] makes a difference.

[rosmith@…]

Replying to ryan:

The media library uploader was the only place where media-upload.php was being used as a form action with being wrapped in admin_url(). Let's see if [15171] makes a difference.

I've never done this before. Should I replace line 73 in this file with the code referenced?

[rosmith@…]

Replying to rosmith@…:

Replying to ryan:

The media library uploader was the only place where media-upload.php was being used as a form action with being wrapped in admin_url(). Let's see if [15171] makes a difference.

I've never done this before. Should I replace line 73 in this file with the code referenced?

This change doesn't seem to have made a difference.

[Frumph]

You should use the wordpress update your wordpress installation in the dashboard, it'll take care of everything for you instead of you editing the files themself.

[rosmith@…]

Replying to Frumph:

You should use the wordpress update your wordpress installation in the dashboard, it'll take care of everything for you instead of you editing the files themself.

OK. I tried it on both the server that I've been troubleshooting and another that I built as a totally fresh install. Update from dashboard brought down a new version of that file. But the error still occurs.

[Frumph]

Odd question, are they both subdomain.domain.tld/subdirectory installs?
is one just domain.tld/subdirectory and the other subdomain.domain.tld ?
^{would explain a few things if you were doing subdomain ones, then it could be the web.config stripping off the subdomain for subdirectory installations (or the urlrewrite)}

[rosmith@…]

Replying to Frumph:

Odd question, are they both subdomain.domain.tld/subdirectory installs?
is one just domain.tld/subdirectory and the other subdomain.domain.tld ?
^{would explain a few things if you were doing subdomain ones, then it could be the web.config stripping off the subdomain for subdirectory installations (or the urlrewrite)}

Both are subdomain.domain.tld/subdirectory installs. In the case of the fresh install, I get the error on the top-level site (since I haven't actually created any posts or uploaded any media at all). I agree that the problem must be something weird in urlrewrite (and therefore web.config), but I'm basing that theory mainly on the fact that the error doesn't occur when I access the website using the browser on the server itself.

[nacin]

This certainly sounds like a server configuration issue, not a bug as far as any of us can tell at this time. Please try the support forums -- ​http://wordpress.org/support/.

[ruslany]

@rossmith: Can you send me the original web.config file that reproduces the original error? You can contact me at ​http://ruslany.net/contact/

Also, I noticed that you need to be careful with the Site URL/Domain name when setting up multisite feature. I did the subdirectory install on the localhost. Then when I connected to that machine by using it's DNS name, the site did not work. I had to change the site URL in a bunch of places in the wp-options table because it contained "localhost" instead of the server name.

Once I ensured that site URL is not localhost anywhere in the database, the site started to work and the media upload feature also worked.

[ruslany]

This is caused by a bug in IIS FastCGI that has been fixed in IIS 7 but hasn't yet been fixed in IIS 7.5. Here is how to fix this:

If this happens on IIS 7 then install this update: ​http://ruslany.net/2010/03/important-update-for-iis-7-0-fastcgi-module/

If this happens on IIS 7.5 (Windows 7 or Windows 2008 R2) then use the workaround described here: ​http://blogs.iis.net/kehand/archive/2009/08/09/php-and-custom-error-pages.aspx. Note that this will be fixed in the SP1 of Windows 7 and Win2k8 R2.

[nacin]

Fixed upstream then. Thanks ruslany.