[wp-hackers] Blank screen during WP installation

mccormicky mccormicky at gmail.com
Wed Nov 4 15:56:14 UTC 2009

Can I just ask what information did you enter when the installation page
asked you for a db name, user and host?
Does your host allow you to create databases---just not use them?
Seems to me if a potential user can't use mysql
 (if they can't have mysql chances are they can't have php,either)
and the requirements of WP are PHP+mysql
what you are proposing is  unnecessary....
The first thing you do before installing software is check to see if you
have the correct environment or system to support it.

On Wed, Nov 4, 2009 at 10:44 AM, Patrik Bóna <patrik.bona at mrhead.sk> wrote:

> Hi All,
> Recently I was working on interesting problem. Wordpress installation was
> failing when it was trying connect to the database. Problem was that there
> was no error just blank screen.
> I've tried to turn on error_reporting, but it did not help, so i started to
> trace executed PHP files...  After some time i've found that nothing is
> executed after following line in wp-includes/wp-db.php:
> $this->dbh = @mysql_connect($dbhost, $dbuser, $dbpassword, true);
> So i've just removed @ and refreshed page and there was this error message:
> Fatal error: mysql_connect() [<a
> href='function.mysql-connect'>function.mysql-connect</a>]: Using mysql has
> been disabled by admin. in
> /domains1/do1840700/public/www_root/wp-includes/wp-db.php on line 341
> So obviously problem was that mysql_connect was disabled (bad hosting), no
> discussion here... ;)
> But from my point of view this can be much bigger problem for people who
> just want to try wordpress (on bad hosting) and after some clicks just blank
> page is showed to them... Google also did not help me, so i don't think that
> it can help to people who can not find problem themselves.
> I know that mysql is prerequisite for WP, but why to not help people with
> this.
> Maybe solution which just came to my mind will be to check with
> function_exists if mysql_connect is enabled somewhere during installation
> process. What do you think ?
> Best regards
> Patrik
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