Upgraded to 2.7 on another Blog - Blank Site & Errors
by Penny on 12/12/08 at 1:32 pm | 158 views
Used the WP Automatic Upgrade plugin to upgrade to 2.7 on one of my other blogs tonight.
Re-enabled my plugins.
Everything looked good (when I could work out where everything is - had to increase my memory in wp-settings to 64MB to "see" the new left-menu).

Disabled the non 2.7 compatible plugins.
Tried to install some new cool plugins I found and that’s when things got a little hairy :)
I couldn’t actually "activate" any plugin, nor could I "activate" any theme, and then I realized I couldn’t actually do "anything" without causing errors.. the only "link" that worked in my backend was "post new link"..

My Site was blank. And anything I clicked on in the backend gave me Fatal Errors:
Fatal error: Call to undefined function wp_remote_post() in /blog/wp-includes/cron.php on line 201
Fatal error: Call to undefined function wp_remote_request() in /blog/wp-includes/rss.php on line 539
And the same error for the update.php
Anyways, after a few hours of trying to sort it out (disabling plugins, re-uploading core files, following step-by-step instructions on the wordpress site (ugh - ever done that?) and looking for blog posts from people with the same problem), I finally got it sorted.
The last step that "worked" was overriding the core files in /blog/
Downloaded Wordpress 2.7 from the Wordpress.org site.
Extracting the files.
(Note: Re-uploading the files in wp-includes folder did not fix the problem - I expected it would because it was the files referenced in that folder that were causing errors, but that’s just my logic?)
What Worked is Over-writing/Re-Uploading the Core ones.. (not the sub-folders) out of wordpress-2.7\wordpress
The file that caused my errors was one of the highlighted culprits below…

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LinkLaunder.com (1 comments)
Jan 19th, 2009
Currently facing the same problem as you :-( Hoping to have it fixed SOON!
LinkLaunder.com’s last blog post..Re: BETA TESTER How to ?
theputernerd (1 comments)
Feb 7th, 2009
Penny,
When I did a fresh install of WP I had problems with the WP Super Cache plugin which caused my entire site to dissappear. To fix this I made sure the \wp-content was writable and deleted the \wp-content\advanced-cache.php file. (the file is automatically generated when it is deleted)
I have also read that upgrading to 2.7 can have the same impact.
Are you running WP Super Cache?
This is a repost - I made a mistake with the link
theputernerd’s last blog post..Tips for Apache Rewrite
Penny (32 comments)
Feb 14th, 2009
I’m only running Super Cache on a couple of sites now (used to run it on all) but had so many problems with it on so many sites, and since none of them have ever made Digg frontpage lol, I figured I’d just live without it until I can fully understand the troubleshooting of it when things go haywire :)