WordPress MU

When user deleted her blog, and other people show her blogs, WordPress MU serving a blank page.

How to maketo server Wordpress an error page (eg.: This blog is deleted)

Blank page means PHP error - look in your php error logs.

Modlook added for second post for the sig file.

I dont see any php error in the log files.

If its a totally blank page then its a php error, If you look at the source of the page in the browser is there anything there at all?

I enabled WordPress debug mode:

in wp-config.php
define('WP_DEBUG', true);

But in nothing error display or loggin in the error log.

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I created a WP_CONTENT_DIR . '/blog-deleted.php' file, and this works.

you need to enable error logging in your php.ini file to control what you are logging and where you are logging to

I got the error: because Apache says content-lenght: 0, the front-end lighty serve only the http header.

So is php error reporting enabled, and set to report to a file, in your php.ini file?

Steve: This is not a php error, this is an Apache (?) bug and/or lighty bug and incompatibly.

Lighty not waiting and serve the html content, only the http header, because the apache says content-lengh zero in http header.

So your running lighttpd alongside Apache to serve static content?

client -> lighty ->

if static content (files.domain.tld, OR *.css, *.js, any picture, etc) lighty serve to the client

if dynamic content -> apache ; apache generate the content -> lighty -> client

so, for dynamic content, lighty is a reverse proxy (but, lighty don't cache the content)

So its likely that this is a lightly/Apache issue rather than WPMU?

Yes.