Ruby Mechanize Stops Working while in Each Do Loop - ruby

Question

I am using a mechanize Ruby script to loop through about 1,000 records in a tab delimited file. Everything works as expected until i reach about 300 records.
Once I get to about 300 records, my script keeps calling rescue on every attempt and eventually stops working. I thought it was because I had not properly set max_history, but that doesn't seem to be making a difference.
Here is the error message that I start getting:
getaddrinfo: nodename nor servname provided, or not known
Any ideas on what I might be doing wrong here?
require 'mechanize'
result_counter = 0
used_file = File.open(ARGV[0])
total_rows = used_file.readlines.size
mechanize = Mechanize.new { |agent|
agent.open_timeout = 10
agent.read_timeout = 10
agent.max_history = 0
}
File.open(ARGV[0]).each do |line|
item = line.split("\t").map {|item| item.strip}
website = item[16]
name = item[11]
if website
begin
tries ||= 3
page = mechanize.get(website)
primary1 = page.link_with(text: 'text')
secondary1 = page.link_with(text: 'other_text')
contains_primary = true
contains_secondary = true
unless contains_primary || contains_secondary
1.times do |count|
result_counter+=1
STDERR.puts "Generate (#{result_counter}/#{total_rows}) #{name} - No"
end
end
for i in [primary1]
if i
page_to_visit = i.click
page_found = page_to_visit.uri
1.times do |count|
result_counter+=1
STDERR.puts "Generate (#{result_counter}/#{total_rows}) #{name}"
end
break
end
end
rescue Timeout::Error
STDERR.puts "Generate (#{result_counter}/#{total_rows}) #{name} - Timeout"
rescue => e
STDERR.puts e.message
STDERR.puts "Generate (#{result_counter}/#{total_rows}) #{name} - Rescue"
end
end
end

Answer 1

You get this error because you don't close the connection after you used it.
This should fix your problem:
mechanize = Mechanize.new { |agent|
agent.open_timeout = 10
agent.read_timeout = 10
agent.max_history = 0
agent.keep_alive = false
}