From: Gennady <gfb@...>
Date: 2003-07-03T06:51:18+09:00
Subject: Re: More error backtrace

It is the default exception handling in Ruby. You can always embrace your
program
in

begin
 ...
rescure Exception => exception
  p exception.message
  p exception.backtrace # or present it in any other way you like
end

Gennady

----- Original Message ----- 
From: "Nigel Gilbert" <n.gilbert@soc.surrey.ac.uk>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Wednesday, July 02, 2003 2:43 PM
Subject: More error backtrace


> I am having trouble tracking down the point at which my program is
> failing.  I have a backtrace that looks like this:
>
> /usr/local/lib/ruby/1.6/net/protocol.rb:468:in `new': wrong argument
> type nil (expected String) (TypeError)
>          from /usr/local/lib/ruby/1.6/net/protocol.rb:468:in `connect'
>          from /usr/local/lib/ruby/1.6/net/protocol.rb:467:in `timeout'
>          from /usr/local/lib/ruby/1.6/net/protocol.rb:467:in `connect'
>          from /usr/local/lib/ruby/1.6/net/protocol.rb:449:in `initialize'
>          from /usr/local/lib/ruby/1.6/net/protocol.rb:149:in `new'
>          from /usr/local/lib/ruby/1.6/net/protocol.rb:149:in
> `conn_socket'
>          from /usr/local/lib/ruby/1.6/net/http.rb:499:in `do_start'
>          from /usr/local/lib/ruby/1.6/net/protocol.rb:131:in `start'
>           ... 6 levels...
>          from webcount.rb:556:in `each'
>          from webcount.rb:556:in `wayback'
>          from webcount.rb:703:in `dosite'
>          from webcount.rb:813
>
> What I need to know are which lines of code are represented by "... 6
> levels...".  Is there any way of stopping ruby from abbreviating the
> backtrace like this?
>
> (I'm using ruby 1.6.8 (2002-12-24) [powerpc-darwin6.6])
>
> Thanks
>
> Nigel
>
>
>