From: Aaron Smith <beingthexemplary@...>
Date: 2007-03-09T07:55:44+09:00
Subject: Re: error message help

Raj Sahae wrote:
> My program is hitting an error and showing me:
> c:/ruby/lib/ruby/1.8/drb/drb.rb:743:in `+': can't convert nil into
> String (TypeError)
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:743:in `open'
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:741:in `open'
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:1189:in `initialize'
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:1169:in `new'
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:1169:in `open'
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:1085:in `method_missing'
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:1103:in `with_friend'
>     from c:/ruby/lib/ruby/1.8/drb/drb.rb:1084:in `method_missing'
>      ... 12 levels...
>     from stclient.rb:30:in `run'
>     from stclient.rb:30:in `initialize'
>     from stclient.rb:36:in `new'
>     from stclient.rb:36
> 
> How do I get ruby to show me the middle 12 levels?  The problem is
> probably in the middle there, but I don't know what method.
> 
> Raj

try something like:

try
 blah
catch( Exception => e)
 puts e.backtrace
end

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