[wp-hackers] 404 Pages displaying as blank

leon.ash at tawnylion.com leon.ash at tawnylion.com
Thu Sep 3 11:34:04 UTC 2009

Apologies if this is either a new thread or multiple mails. I haven't used 
a mailing list for a couple of years.

I'm unable to access my hosted files from my current location so can't 
remove the redirection. Will be able to do so in about 5-6 hours and will 
report outcome here. If you wanted to 'see' what I have I have done a 
'vanilla' install at preview.tawnylion.com that is currently configured to 
/%postname% as permalinks and the 'default' redirection of 

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]

If my memory serves me right with a default install, using the default 
permalinks settings I kept getting the index page. This is with IIS6 
configured to a custom error page of /index.php?error=404.

With redirection as described it displays blank as it 'dies' somewhere 
whilst processing the 404.php file


 From: "Dion Hulse (dd32)" <wordpress at dd32.id.au>
Sent: 03 September 2009 12:13
To: wp-hackers at lists.automattic.com
Subject: Re: [wp-hackers] 404 Pages displaying as blank

Yep, I meant disabling the use of rewrites all together.

On Thu, 03 Sep 2009 21:07:29 +1000, leon.ash at tawnylion.com 

> Dion,
> I have WP_Debug defined as true and there are no 'error' message that I 
> can
> see. I know the log is working as I get the error_log output :-)
> When you say disable rewriting, what do you mean. Remove the 'default'
> entries from .htaccess and switch of permalinks?
> L
> ----------------------------------------
> From: "leon.ash at tawnylion.com" 
> Sent: 03 September 2009 11:42
> To: wp-hackers at lists.automattic.com
> Subject: 404 Pages displaying as blank
> Hello,
> I'm experiencing a strange problem I'm hoping someone here may have some
> suggestions on how to solve.
> I started a thread here: http://wordpress.org/support/topic/305273 but
> haven't received any replies. To save me having to retype it all I'd
> appreciate it if you could look there for the details.
> In summary I've got my first WordPress site up and running with rewrites
> working as expected for everything apart from one small, but annoying
> glitch.
> My 404 pages are all shown as 'blank' pages. If you look at the details
> I've confirmed this behaviour on a fresh install with no plugins. 
> Pemalinks
> is set to /%postname%/, the site is hosted on IIS 6 and has Helicon's
> ISAPI_Rewrite installed.
> I've inserted error_log statments into parse_query in classes.php and 
> confirm that the 'query' for 404 pages is 'name=error=404&page='. The
> headers of returned pages indicate a 404 Not Found code, but the pages 
> are
> blank. This implies the rewriting is fine.
> The last interesting thing is that I also added error_log statements 
> many of the theme files and the 'log entries' per invalid url request
> terminate in different components of the 'theme'. Details in post.
> Any suggestions and help appreciated.
> Thank you
> Leon
> wp-hackers mailing list
> wp-hackers at lists.automattic.com
> http://lists.automattic.com/mailman/listinfo/wp-hackers

Dion Hulse
e: contact at dd32.id.au
w: http://dd32.id.au/
m: 04 6621 9112 (+614 6621 9112)
WordPressQI: http://wordpressqi.com/
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