blank page on some micro-cached pages
mdounin at mdounin.ru
Mon Nov 25 14:13:36 UTC 2013
On Sat, Nov 23, 2013 at 11:00:52AM +0100, Ronald Van Assche wrote:
> Running Nginx 1.5.7 on Freebsd 9.1
> with php-pfm 5.5.3
> a wordpress site is "micro-cached" , but for some strange reason
> and not always , some pages ( wordpress post or pages even 3 or
> 7 days after their publication) are rendered for some users (
> me and others and not always the same, with different browsers)
> as blank pages and the same connexion can read other cached
> pages/post with no problems.
> The size of the global site in /cache is 72 Kb. Very small
> The bad cached pages are logged like this :
> "GET /url HTTP/1.1" 200 31
> always 200 as a result code, and 31 for its size.. 31 is not the
> actual size of the page of course.
> If a refresh my local cache ( SHIFT CMD-R) on chrome , the
> correct page is reloaded and cached in /cache/x/y/somefile by
> Any help ?
Size is suspiciously small, and I would suggest it's some error
returned by php.
You may try adding $upstream_cache_status to access log to get
some more details (likely there will be MISS or similar state
there, indicating the response was returned by a php). If it
doesn't help, some more hints about debugging can be found here:
More information about the nginx