Install Database Errors - Tries to install SQL twice

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Fresh install on localhost with 4.0

When you are asked to copy and paste the wp-config code to wp-config.php I turned on WP_DEBUG before continuing.

When you continue you endup with
WordPress database error: [Table 'all_tables' already exists]

So I assume the installer is running the queries twice.
You also endup with 2 (New WordPress Site) emails for your new site.

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Installed duplicate posts and pages

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Looks fixed in

wp_version = 4.1-beta1-src
db_version = 30133

[johnbillion]

Thanks for the report, topdown.

all_tables isn't a database table that's part of WordPress core. Do you have any plugins present in your wp-content/mu-plugins directory, or a wp-content/install.php file present? It may be that one of these is doing something erroneous during the install process.

[topdown]

No plugins or anything, this was a default 4.0 install. I just turned on WP_DEBUG in the install process.

all_tables was suppose to mean repeat that error for every default WP DB table.
WordPress database error: [Table '*' already exists]

As mentioned above, I did this same process with the current WP master branch and these errors did not exist.

[dd32]

I can't duplicate this, and haven't seen any other reports of it.

Given it worked on trunk for the reporter, I'm marking as worksforme.