@Jay SenSharma Haven't found a feasible solution. As mentioned in the issue description, Downgrading Python 2.6 is not feasible as there are OS dependencies and based on below link: https://stackoverflow.com/questions/46274499/ambari-agent-certificate-verify-failed-is-it-safe-to-disable-the-certificate I have got a suggestion it's not a good idea to disable certificate verification in Python. Sharing some more information from our investigation, Just thinking it might help others: We use AWS EC2 With Python 2.7, JDK 1.8 and Cent OS 7.2 there is no issue. Everything is smooth. With Python 2.7, JDK 1.8 and Cent OS 7.3 and Centos 7.4 we are seeing this issue. What I have reported here, is with respect to Centos 7.3 and with Centos 7.4 Issue is slightly different: Certificate verification fails while adding nodes to the cluster itself. Downgrading from centos 7.3 to 7.2 is not straight forward. And AWS EC2 market place provides Centos 7.0 Image and when we create instance from this image, it applies security and patch updates resulting in Centos 7.3. We can create our own Image of Centos 7.3 from existing servers but, It's always good be with the latest update for the OS for security reasons. To finish it shortly, we have workarounds but not a solution yet 🙂 Thanks for your help. I will update the solution which we follow. Regards, Vinay MP
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