Wordpress @ Ralf Engel dot Com » MU Bugs

WordPress 3.0 Images Trouble

admin — Mon, 05 Jul 2010 15:41:11 +0000

Ok, so now we’re running the new WordPress 3.0. Great. Everything looked fine, until I visited the Media Library. To my surprise all the thumbnail images are gone. All I see is the tiny red x that one usually can observe when an image isn’t at the apropriate URL.
Of course I’ve Googled the “No Images in WordPress 3.0″ Issue right away and found lots of articles. But the fixes they propose just won’t work for me. AND I DON’T KNOW WHY!!!!!!!!
Most fixes treat an Issue you will encounter when you do a WordPress FTP upload into a folder on the root of your server, e.g.: http:/mydomain.com/wordpress. It seems that there is a filter in 3.0 which converts wordpress into WordPress. Thus, of course your old images, uploaded with the media tool, will be stored in mydomain.com/wordpress/1/files/2010/7 and now will be integrated in posts at mydomain.com/WordPress/1/files/2010/7. So, if you’re lucky and did a WP folder upload, you can get a plugin disabling the WP caps filtering here.

Now, If, like me, you’re in the very disappointing situation that you haven’t uploaded WP into a folder on root, meaning your folders structure looks like this:
mydomain.com
- wp-admin
- wp-content
- wp-includes
index.php
and so on, then if you can’t see your images in the media library and/or in the posts, things get more complicated.
I found out that there appears to be some kind of supplemental error in the image upload location re-writing.
I observe the following for the location of images:
Image Location In Post: http://ralfengel.com/files/2009/12/why_comuters_overheat.jpg
Image Location In Media Library: http://ralfengel.com/files//2009/12/why_comuters_overheat.jpg
Now that is weird, where in Matts name does the second / after files come from? And how can I get rid of it?

The Solution:
Use your FTP program, download .htaccess and open it with an editor.
Change your #uploaded files to read the following:

RewriteRule ^(.*/)?files/$ index.php [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?files/(.+) wp-includes/ms-files.php?file=$2 [L]

Save it, upload it (you may have to rename it since windows may have cut the . from htaccess, so make sure that on the root you see:
.htaccess
now, refresh your blog, media library, and feel the happiness overcome you, as all those lost thought images re-appear like by magic.

So, to recapitulate, here we have the solutions to two different Image (no show) problems with WordPress 3.0.
First, a WordPress 3.0 grammar filtering issue, changing WordPress into WordPress, second, an error in the .htaccess uploaded images location.

I hope this helped you solve your issue, if it hasn’t post a comment here, I’ll have a look at it.

happy blogging

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WordPress MU Write Post page opens very slow

admin — Tue, 03 Mar 2009 12:45:20 +0000

After finishing an upgrade from WordPress 2.7 to WordPress 2.6.5 my “Write Post” page would take very long (2 or 3 minutes) to completley load. The “Custom Fields” records where full of entries, some 500 or 600. I deleted all those entries manually and now my “Write Post” page would load within about half a minute or so. This was still very slow, so I did some Googeling on this Issue.

Since I was using Google Chrome I didn’t get any error messages. Using Mozilla Firefox I got this error message:

A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete.
Script:http://ralfengel.com/wp-includes/js/jquery/jquery.js?ver=1.2.6:11″

The slow loading of the “Write Post” page in WordPress MU is caused by the execution of a script which loads all the meta data of all the posts (wp_postmeta). I believe that my dirty install (I imported allmost 400 posts with comments from my old WP installation) caused this. I had to repeat the upload several times for each file part (can’t upload (import) 4 mega bites using the import function of WordPress, thus I broke it up into 4 parts), since the uploads wouldn’t complete correctley.

There are two ways to fix the problem. You can either edit your edit-form-advanced.php file in the wp-admin folder or you can do a clean up in your database by running a query.

Edit the edit-form-advanced.php
Open the edit-form-advanced.php file found in wp-admin folder in an html editor and navigate to line 306 (for WPMU 2.6.5). You will see the following code there:

<?php
$metadata = has_meta($post->ID);
list_meta($metadata);
?>

You will have to delete this code. Save the file and upload it to your wp-admin folder. Refresh your “Write Post” screen. It should load within the usual 3 seconds. That is all, you’re done.

2. Clean up the WordPress Database using a query
To do a Database cleanup you will have to log in to your MySQL Database on your Server.
Once you are in PHP my Admin you should see your database name on top left and below all the tables it contains.
On the top of the right big window you should see a “SQL” tab. Click on it. Now paste the following code into the “execute query” window.

DELETE FROM wp_1_postmeta WHERE post_id =0;

DELETE FROM is the command line. wp_1_postmeta is the table name in MY database. You will have to change this to the name of your postmeta record name. This could be wp_postmeta or wp1_postmeta or something like it.
Hit the “execute query” button. You should get a report stating how many records where deleted. In my case there were some 3500 records with post_id=0.
After refreshing your “Write Post” window, you should get the page loaded in the usual 1-3 seconds.

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WordPress MU trouble with Google Chrome

admin — Tue, 03 Mar 2009 09:57:03 +0000

WordPress MU users may have noticed a weird behaviour of the WordPress wp-admin pages when they are using Google Chrome. I have been experiencing a lot of different issues! Here the list…

I guess there may be more issues, but I only tried to resolve the above list. I emptied cache and cookies but this didn’t help. I first couldn’t believe that these problems could be caused by Google Chrome, therefore didn’t try out other browsers. But after a few days of desperate intents to solve the problem I gave up, started the Internet Explorer 7, and everything but the widget reorganizing worked fine.
Then I decided to try Mozilla Firefox, to see if it would solve the issue of the “locked” sidebar widget buttons. It did. All sidebar widget objects can be draged and dropped as supposed to by the functionallity of WordPress.
One weird thing I want to add: Until one month ago I used WordPress 2.7 and all these problems didn’t exist. All this started with my upgrade to WordPress MU!!

I will use Mozilla Firefox for WordPress MU publishing from now on, just to much hazzle with Chrome!!

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WordPress MU RSS Feed doesn’t work

admin — Fri, 27 Feb 2009 09:25:28 +0000

I’ve installed WordPress MU 2.6.5. on my main http://ralfengel.com domain.
I’m using it with subdomains – not virtual host wildcards but – CName setup on the tuxtools server configuration.
On the main domain feeds work fine. On this first subdomain http://wordpress.ralfengel.com feeds work fine.
Today I added a new subdomain at http://spirituality.ralfengel.com and as before tried to use the handy feedwordpress plugin to keep the main blog updated by harvesting excerpts of posts from the subdomains, which worked with the first subdomain, but, on this new subdomain it doesn’t work. I get this error message:

Error: I couldn’t find any feeds at spirituality.ralfengel.com [HTTP request error: Invalid protocol ""\n]. Try another URL

when I try to add the new URL to the plugin syndication feeds.

When I click on the feed url of the subdomain blog I get this message:
This page contains the following errors:

error on line 3 at column 6: XML declaration allowed only at the start of the document
Below is a rendering of the page up to the first error.

But, there is nothing else below…

I’ve used the following commands (pasted into the sidebar)

<?php bloginfo(‘rss2_url’); ?> (RSS 2.0 format)
<?php bloginfo(‘rss_url’); ?> (RSS 0.92 format)
<?php bloginfo(‘rdf_url’); ?> (RDF/RSS 1.0 format)
<?php bloginfo(‘atom_url’); ?> (Atom format)

to get my feed info shown. It shows as:

http://spirituality.ralfengel.com/feed (RSS 2.0 format)
http://spirituality.ralfengel.com/feed/rss (RSS 0.92 format)
http://spirituality.ralfengel.com/feed/rdf (RDF/RSS 1.0 format) http://spirituality.ralfengel.com/feed/atom (Atom format)

I’ve tried them by pasting each one into the browser, but neither works.
Weird is that on my first subdomain everything went fine. So I did tons of Googleing on this issue and found a plugin called “Fix rss feed” made by Fuk Loi.
This plugin will search ALL files on the server for “empty spaces” and eliminate those. I used it, had to do a lot of CHMODing, and tried to syndicate again, still without success. So I went to have a look at Feed Validator, ran my feed through their analysis and it came up OK.
My last hope was to get into my SQL management page on the host and see what was going on.
At the PHP my Admin panel I checked my tables out:

I came back to my Syndication Plugin and It worked fine. It accepted the RSS feed URI and it did an update of the last 10 posts without any problems.

To resume, I am not able to put my finger on the exact problem of this problem, but something that I did must have fixed it.

I’d love to hear from you if this information has been of any help for you.

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Youtube Video in WordPress MU

admin — Thu, 19 Feb 2009 10:53:56 +0000

This is an attempt to “fix” the issue concerning the ability to show Youtube Videos in a WordPress MU post.

If you can see the Youtube Video above, then the Easy Tube Plugin works.

Download EasyTube.

Just in case EasyTube doesn’t work for you, visit the eJump forum to see if they can advice you on the issue.

To use the EasyTube Youtube Video Plugin just add the following command line in your post:

[youtube:URL to Video]

To show Google Videos just change youtube: to googlevideo:

Width and Height
To display different Video Window Sizes just adjust your tag to the following format: [youtube:URL WIDTH HEIGHT]

Autoplay?
To have your Video start automatically add “&autoplay=1? after the URL.

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