Hi All,
Real neophyte here, to both backgroundrb and ruby/rails in general.
(Hey, we''ve all got to start somewhere, right!)  :)
I''ve just been playing around with the example code at
http://backgroundrb.rubyforge.org/ , and trying to get all 
the pieces to work (btw, I''m using version 0.2.1).
I did a ''generate worker example'', which created an
example_worker.rb
file in my ./libs/workers directory.
I fleshed it out so it looks like this (as per the example in the
documentation):
#####################################################################
class ExampleWorker < BackgrounDRb::Worker::RailsBase
  def do_work(args)
    logger.info(''ExampleWorker do work'')
    results[:do_work_time] = Time.now.to_s
    results[:done_with_do_work] ||= true
  end
  def other_method
    logger.info(''other_method in ExampleWorker called'')
    results[:extra_data] = "Just a plain old string"
  end
  def arg_method(arg)
  end
end
ExampleWorker.register
#####################################################################
Next, I created a ''backgroundrb_example'' file under ./script. 
It looks
like this:
#####################################################################
#!/usr/bin/env ruby
require File.dirname(__FILE__) + ''/../config/boot''
require "#{RAILS_ROOT}/config/environment"
  key = MiddleMan.new_worker(:class => :example_worker)
  worker = MiddleMan.worker(key)
  worker.other_method
  worker.delete
#####################################################################
I also started the backgroundrb server, and it and the other processes
seem to be running fine:
todd      6865  0.0  0.6  16484 13372 ?        S    21:20   0:00
backgroundrb
todd      6866  0.0  0.6  16320 13168 ?        S    21:20   0:00
backgroundrb_logger
todd      6867  0.0  0.6  16520 13384 ?        S    21:20   0:00
backgroundrb_results
My config file looks like this:
:host: localhost
 :port: 22222
 :worker_dir: lib/workers
 :rails_env: development
 :pool_size: 15
 :acl:
  :deny: all
  :allow: localhost 127.0.0.1
  :order: deny allow
When I try to run the example, I get a NameError because it can''t seem
to 
find my ExampleWorker class:
ruby backgroundrb_example
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:266:in
`load_missing_constant'': uninitialized constant ExampleWorker
(NameError)
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:452:in
`const_missing''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:464:in
`const_missing''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/home/todd/devel/pedperf/trunk/site_app/vendor/plugins/backgroundrb/server/lib/backgroundrb/middleman.rb:453:in
`worker_klass_constant''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/home/todd/devel/pedperf/trunk/site_app/vendor/plugins/backgroundrb/server/lib/backgroundrb/middleman.rb:178:in
`new_worker''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/1.8/drb/drb.rb:1552:in `perform_without_block''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/1.8/drb/drb.rb:1512:in `perform''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/1.8/drb/drb.rb:1586:in `main_loop''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/1.8/drb/drb.rb:1582:in `main_loop''
         ... 13 levels...
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/usr/local/lib/ruby/gems/1.8/gems/daemons-1.0.5/lib/daemons.rb:181:in
`run_proc''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222)
/home/todd/devel/pedperf/trunk/site_app/vendor/plugins/backgroundrb/server/lib/backgroundrb_server.rb:301:in
`run''
        from
(drbunix:///tmp/backgroundrbunix_localhost_22222) ./script/backgroundrb:29
        from backgroundrb_example:6
Any help would be greatly appreciated!
Thanks,
Todd Richmond
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