Better error message and AR errors in log for failed LDAP on-the-fly user creation (closes #932, #1042).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1345 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/account_controller.rb

@@ -56,6 +56,8 @@ class AccountController < ApplicationController
         flash.now[:error] = l(:notice_account_invalid_creditentials)
       end
     end
+  rescue User::OnTheFlyCreationFailure
+    flash.now[:error] = 'Redmine could not retrieve the required information from the LDAP to create your account. Please, contact your Redmine administrator.'
   end
 
   # Log out current user and redirect to welcome page