Set read_timeout for the service call in Ruby Net::HTTP.start

Question

I want to override the default timeout for the service call in my ruby code. I open connection as under.

res = Net::HTTP.start(@@task_url.host, @@task_url.port) do |http| http.get("/tasks/#{task_id}") end

I tried to set the read_timeout time as under but then I got the NoMethodError exception in my code.

res = Net::HTTP.start(@@task_url.host, @@task_url.port) res.read_timeout = 10 res do |http| http.get("/tasks/#{task_id}") end

Suggest me how should I set the read_timeout. And I am looking to set the read_timeout somewhere globally so that I can use that timeout for all my service call through Net::HTTPP.start()

possible duplicate of Ruby Net::HTTP time out also with HTTP.start, also set read_timeout. — Ciro Santilli OurBigBook.com
– Ciro Santilli OurBigBook.com, Commented Oct 11, 2014 at 15:29

A.D. · Accepted Answer · 2013-03-01 20:08:53Z

If you use Ruby 1.8 you have to use Net::HTTP.new:

http = Net::HTTP.new(host, port) http.read_timeout = 10 response = http.get("/") # or intead of above line if you need block # http.start do # response = http.get("/") # end

If you look at the source code of Net::HTTP.start, you will see that ::start is just calling ::new with #start method:

# File net/http.rb, line 439 def HTTP.start(address, port = nil, p_addr = nil, p_port = nil, p_user = nil, p_pass = nil, &block) # :yield: +http+ new(address, port, p_addr, p_port, p_user, p_pass).start(&block) end

>= Ruby 1.9

You can set read_timeout in opt argument: start(address, ..., opt, &block)

like this:

res = Net::HTTP.start(host, port, :read_timeout => 10)

Can you post somewhere (gist.github.com) piece of code you're trying?
Try irb, just require "net/http"; res = Net::HTTP.start(your_host, your_port, :read_timeout => 10) if it works.
actually i think signature expects other values to be passed in the method as well. So will not try by passing other parameters as nul
Yes try it with other params with nil, but it's strange, because it works for me without problem.
Running in irb gives the same TypeError cannot convert hash to string

Baldrick · Accepted Answer · 2013-03-01 12:57:40Z

You could use open from OpenURI. This method has a :read_timeout option. I don't know how to set the option globally, but you can wrap it inside a custom function that sets this option.

require 'open-uri' module NetCustom def open_url(url, &task) open(url, :read_timeout => 20) do |file| yield file.read end end end

Usage:

class Foo include NetCustom def bar open_url('http://example.org/tasks/') do |content| # Handle page text content end end end

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