IP Address UNREACHABLE: HTTP connection pool Max exceeded

In this article, you will learn how to fix the following error “IP Address UNREACHABLE: HTTP connection pool Max exceeded’. Ansible is an open-source software provisioning, configuration management, and application-deployment tool enabling infrastructure as code. Please see how to deploy a React Application to AWS S3, and how to deploy a .NET application to AWS Elastic Beanstalk using AWS Tool Kit.

Other helpful tutorials can be found here: Amazon Relational Database Service: How to install Amazon RDS using Terraform. How to install PostgreSQL on Ubuntu, and how to install, configure Prometheus for Monitoring on a Linux Server.

Why was the Error “IP Address UNREACHABLE” Prompted?

The following error below is a result of a wrong IP Address used in the inventory list. For more information on Ansible authentication options, see the following guides on Kerberos and WinRM Options.

Error as shown in the image below ” IP Address UNREACHABLE: HTTP connection pool Max retries exceeded with url/wsman caused by NewConnectionError”

Since my focus is on Kerberos, see the article on how to configure Kerberos

192,168,178.43 | UNREACHABLE! => {
"changed": false,
"msg": "ssl: HTTPSConnectionPool(host='192,168,178.43', port=5986): Max retries exceeded with url: /wsman (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 8] Name or service not known'))",
"unreachable": true
}

The solution

To fix the IP Address UNREACHABLE: HTTP connection pool Max retries exceeded with url/wsman caused by NewConnectionError

As you can see, it clearly stated “NewConnectionError”. Failed to establish a new connection because the IP Address had a comma (,) instead of a dot (.) in the host inventory as shown below.

Correct the inventory file as shown above. With the right IP Address and try again and try to oing the host inventory file as shown below with the following Ad hoc command.

$ ansible all -i hosts -m win_ping

I hope you found this blog post on ‘IP Address UNREACHABLE: HTTP connection pool Max exceeded” very helpful. If you have any questions, please let me know in the comment session.