Facing RestClient::Exceptions::OpenTimeout (Timed out connecting to server)

[Anubhav Jain]

Issue

Facing RestClient::Exceptions::OpenTimeout(Timed out connecting to server)
The endpoint is accessible if accessed from curl on the terminal and not from

Environment

rest-client v2.0.2
Ruby v2.5.0
macOs Mojave 10.14.6

Reproduction steps

url = 'https://npiregistry.cms.hhs.gov/api/?version=2.1&first_name=John&last_name=smith'
response = RestClient.get(url) #exception is raised after sometime

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Extra Information

For other folks in my team, they are able to use this without facing the timeout. Also we have our rails application running on heroku, which also has no problem with this code. It is issue with my particular system.

url = 'https://www.google.com'
response = RestClient.get(url) #no exception is raised on the system

Efforts put in to investigate

I used byebug to stop the code execution at several places in the gem codebase.
Consequently, I reached to the code where this exception would get raised.
This is inside the Net::Http in the connect method.
You can have a look here

I tried uninstalling ruby and all the gem and reinstalling them
But the issue didn't go.
I am out of options to debug this further. Any help would be appreciated.

[Chris Wisdo]

I had a similar issue which turned out to be a problem with DNS resolution. Fixed with:

require 'resolv-replace'

[Anubhav Jain]

@cwisdo Thanks for the help.
adding resolv-replace helped

[Carl Schierstaedt]

Where do you guys add resolv-replace