WordPress 3.0 で投稿すると、下のような警告メッセージが表示されるのに気づく。 Warning: fopen(http://HOST/wp/wp-cron.php?doing_wp_cron) [function.fopen]: failed to open stream: HTTP request failed! in /var/www/wp/wp-includes/class-http.php on line 1045 Warning: Cannot modify header information – headers already sent by (output started at /var/www/wp/wp-includes/class-http.php:1045) in /var/www/wp/wp-includes/functions.php on line 830 Warning: Cannot modify header information – headers already sent by (output started at /var/www/wp/wp-includes/class-http.php:1045) in /var/www/wp/wp-includes/functions.php on lineContinue reading “[WordPress]Warning: fopen(wp-cron.php?doing_wp_cron)”