I and posters to my blog get the following errors fairly often, it seems - although their posts do go through, is there a problem with WP? I'll also get this error with very large posts.
WordPress database error: [Lost connection to MySQL server during query]
SELECT * FROM wp_comments WHERE comment_ID = '16174' LIMIT 1
Warning: Cannot modify header information - headers already sent by (output started at /home/content/j/n/a/jnagyjr/html/blog/wp-includes/wp-db.php:102) in /home/content/j/n/a/jnagyjr/html/blog/wp-comments-post.php on line 55
Warning: Cannot modify header information - headers already sent by (output started at /home/content/j/n/a/jnagyjr/html/blog/wp-includes/wp-db.php:102) in /home/content/j/n/a/jnagyjr/html/blog/wp-comments-post.php on line 56
Warning: Cannot modify header information - headers already sent by (output started at /home/content/j/n/a/jnagyjr/html/blog/wp-includes/wp-db.php:102) in /home/content/j/n/a/jnagyjr/html/blog/wp-comments-post.php on line 57
Warning: Cannot modify header information - headers already sent by (output started at /home/content/j/n/a/jnagyjr/html/blog/wp-includes/wp-db.php:102) in /home/content/j/n/a/jnagyjr/html/blog/wp-includes/pluggable-functions.php on line 247