add_action('login_redirect', 'redirect_login', 10, 3);
function redirect_login($redirect_to, $url, $user) {
    if($user->errors['empty_password']){
        wp_redirect(get_bloginfo('url').'/log-in-error/');
    }
    else if($user->errors['empty_username']){
        wp_redirect(get_bloginfo('url').'/log-in-error/');
    }
    else if($user->errors['invalid_username']){
        wp_redirect(get_bloginfo('url').'/log-in-error/');
    }
    else if($user->errors['incorrect_password']){
        wp_redirect(get_bloginfo('url').'/log-in-error/');
    }
    else{
        wp_redirect(get_bloginfo('url').'/log-in-error/');
    }
    exit;
}