[wp-trac] [WordPress Trac] #14880: 404 Errors Replaced with Category Pages

WordPress Trac wp-trac at lists.automattic.com
Wed Sep 15 20:22:23 UTC 2010

#14880: 404 Errors Replaced with Category Pages
 Reporter:  askapache     |       Owner:                            
     Type:  defect (bug)  |      Status:  new                       
 Priority:  normal        |   Milestone:  Awaiting Review           
Component:  Query         |     Version:  3.1                       
 Severity:  critical      |    Keywords:  is_404 404 error get_posts
 Sometime between 2010-09-14 and 2010-09-15 a revision to trunk makes it
 impossible to ever have a result of is_404(), resulting also in a MySQL
 error.  At this time the latest (broken) revision is:15620, it looks like
 every is_404() error page is replaced by a category page or archive page
 with a broken query resulting in a blank content.

 I tried to figure out what was doing this for the past 3 hours, it's over
 my head.

 So it's impossible for the 404.php file to work.

 I've checked this on a new installation with 0 plugins 3.0.1-alpha and
 clean htaccess, etc..

 This effectively breaks all 404 pages sitewide. The query executed also
 has a syntax error that gets logged every time a 404 page is supposed to
 be shown but isn't.

 [15-Sep-2010 20:08:40] WordPress database error You have an error in your
 SQL syntax; check the manual that corresponds to your MySQL server version
 for the right syntax to use near ') AND (wpdb_posts.post_author = 0) AND
 wpdb_posts.post_type = 'post' AND (wpdb_p' at line 1 for query  SELECT
 SQL_CALC_FOUND_ROWS  wpdb_posts.* FROM wpdb_posts  WHERE 1=1  AND
 wpdb_posts.ID IN( ) AND (wpdb_posts.post_author = 0) AND
 wpdb_posts.post_type = 'post' AND (wpdb_posts.post_status = 'publish')
 ORDER BY wpdb_posts.post_date DESC LIMIT 0, 20 made by require, wp,
 WP->main, WP->query_posts, WP_Query->query, WP_Query->get_posts

Ticket URL: <http://core.trac.wordpress.org/ticket/14880>
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