From: James Gray <james@...>
Date: 2008-12-22T01:55:30+09:00
Subject: [ruby-core:20766] Re: [Bug #911] ArgumentError in Resolv#getaddress

On Dec 21, 2008, at 10:50 AM, Federico Builes wrote:

>
> On Dec 21, 2008, at 11:16 AM, Tanaka Akira wrote:
>
>> In article <A639BCB0-455C-408D-B54B-6CE16EB4FA90@gmail.com>,
>> Federico Builes <federico.builes@gmail.com> writes:
>>
>>> Please try to run the command several times in a row, it won't fail
>>> every time so I think it might be a thread-related problem  
>>> (although I
>>> fail to see why it's triggered with only one address).
>>
>> I couldn't reproduce the problem even if it repeats 100 times.
>
> The results after repeating it 10 times here:
>
> irb(main):009:0> 10.times {
> begin
>   Resolv.getaddress("rewrq.rqweqwrw.rqww")
> rescue Resolv::ResolvError
>   p $!
> end
> }
> #<Resolv::ResolvError: no address for rewrq.rqweqwrw.rqww>
> #<Resolv::ResolvError: no address for rewrq.rqweqwrw.rqww>
> #<Resolv::ResolvError: no address for rewrq.rqweqwrw.rqww>
> #<Resolv::ResolvError: no address for rewrq.rqweqwrw.rqww>
> #<Resolv::ResolvError: no address for rewrq.rqweqwrw.rqww>
> #<Resolv::ResolvError: no address for rewrq.rqweqwrw.rqww>
> #<Resolv::ResolvError: no address for rewrq.rqweqwrw.rqww>
> ArgumentError: wrong number of arguments (0 for 1)
> 	from /usr/local/lib/ruby/1.8/resolv.rb:600:in `initialize'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:600:in `exception'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:600:in `raise'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:600:in `request'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:474:in `each_resource'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:919:in `resolv'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:917:in `each'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:917:in `resolv'
> 	from /usr/local/lib/ruby/1.8/resolv.rb:916:in `each'
> 	...
>
> Any ideas of what might be triggering it? This happens in 1.8.6p287  
> and 1.9 HEAD under OS X 10.5.5

I'm wondering if the difference that makes it happen or not happen is  
related to how Ruby is compiled.  For example, if pthread was used or  
not.  Just a wild guess�

James Edward Gray II