Rails 3 error logging bug

show_exceptions.rb

# Rails 3 needs error logging

~/rails/actionpack/lib/action_dispatch/middleware/show_exceptions.rb

    private
      def render_exception(env, exception)
# ------------------------------------------- #
puts exception.to_s # show me the error please!
# ------------------------------------------- #
        log_error(exception)

        request = Request.new(env)
        if @consider_all_requests_local || local_request?(request)
          rescue_action_locally(request, exception)
        else
          rescue_action_in_public(exception)
        end
      rescue Exception => failsafe_error
        $stderr.puts "Error during failsafe response: #{failsafe_error}"
        FAILSAFE_RESPONSE
      end

__END__

# nice!
no such file to load -- sqlite3 
# nope
Error during failsafe response: can't convert Array into String