From: Daniel Berger <Daniel.Berger@...>
Date: 2007-08-10T23:28:07+09:00
Subject: Re: Core dump with simple web scraper when run via cron

Daniel Berger wrote:
> Hi all,
> 
> Solaris 10
> Sun Studio Compiler 12
> ruby 1.8.6 (2007-08-07 patchlevel 5000) [sparc-solaris2.10]
> mechanize 0.6.10
> rubygems 0.9.4
> 
> $CC => cc
> $CFLAGS => -g -dalign -fns -xbuiltin=%all -xlibmil -xtarget=ultra2e -xO5 
> -xipo -xarch=sparc
> 
> I'm hitting a core dump with the following program. It works fine when I 
> run it from the command line, but when run via cron it dumps core. 
> Here's the program in its entirety:
> 
> # rf_downloads.rb
> #!/usr/local/bin/ruby
> require 'rubygems'
> require 'mechanize'
> 
> agent = WWW::Mechanize.new
> body = 
> agent.get('http://rubyforge.org/top/toplist.php?type=downloads').body
> 
> regex = /<a href="\/projects\/\w+?\/">(.*?)<\/a>.*?(\d+)/
> file  = "Rubyforge_Downloads_" + Time.now.strftime("%d_%b_%Y")
> fh    = File.open(file, 'w')
> 
> body.split("\n").each{ |line|
>    if m = regex.match(line)
>       project   = m.captures[0].ljust(40)
>       downloads = m.captures[1]
>       fh.puts "#{project} #{downloads}"
>    end
> }
> 
> fh.close
> # end rf_downloads.rb

Oh, and here's the error message:

/usr/local/lib/ruby/1.8/timeout.rb:52: [BUG] Segmentation fault
ruby 1.8.6 (2007-08-07) [sparc-solaris2.10]

Abort - core dumped

Regards,

Dan