Twitter::Error::ServiceUnavailable

rescue.rb

attempt_count = 0
begin
  response = Twitter.user_timeline('davidfrey', {:count=>200, :include_rts => true, :include_entitites => true})
rescue Twitter::Error => error
  attempts_count += 1
  code = error.class.to_s.gsub('Twitter::Error::','')
          
  case code.downcase
  when /notfound|unauthorized/
    #void collection
  when /clienterror|notacceptable|badrequest|badgateway/
    #skip and come back later
  when /servererror|serviceunavailable/
    #skip and come back later
  end
rescue StandardError => error
  # attempt to rescue anything not caught above
end

trace

Twitter::Error::ServiceUnavailable: (__-){ Twitter is over capacity.
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/twitter-2.1.0/lib/twitter/response/raise_server_error.rb:17:in `on_complete'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/response.rb:9:in `block in call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/response.rb:62:in `on_complete'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/response.rb:8:in `call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/response.rb:8:in `call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/response.rb:8:in `call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/request/url_encoded.rb:14:in `call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/request/multipart.rb:13:in `call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/twitter-2.1.0/lib/twitter/request/oauth.rb:17:in `call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/twitter-2.1.0/lib/twitter/request/multipart_with_file.rb:17:in `call'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/connection.rb:210:in `run_request'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/faraday-0.7.6/lib/faraday/connection.rb:93:in `get'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/twitter-2.1.0/lib/twitter/request.rb:23:in `request'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/twitter-2.1.0/lib/twitter/request.rb:11:in `get'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/twitter-2.1.0/lib/twitter/client/accounts.rb:22:in `rate_limit_status'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/twitter-2.1.0/lib/twitter.rb:17:in `method_missing'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab/collector/twitter.rb:64:in `remaining_hits'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab/collector/twitter.rb:70:in `fetch'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab/collector/twitter.rb:30:in `user'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab/client.rb:35:in `block (2 levels) in collect'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/activerecord-3.2.2/lib/active_record/associations/collection_proxy.rb:89:in `each'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/activerecord-3.2.2/lib/active_record/associations/collection_proxy.rb:89:in `method_missing'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab/client.rb:27:in `block in collect'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab/client.rb:19:in `each'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab/client.rb:19:in `collect'
	from /Users/freyd/Dropbox/Projects/DesignLab/number-five/lib/designlab.rb:19:in `method_missing'
	from (irb):2
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.2.2/lib/rails/commands/console.rb:47:in `start'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.2.2/lib/rails/commands/console.rb:8:in `start'
	from /Users/freyd/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.2.2/lib/rails/commands.rb:41:in `<top (required)>'
	from script/rails:6:in `require'
	from script/rails:6:in `<main>'