ambari SSLError: Failed to connect. Please check openssl library versions.

problem ：

resolvent ：
​ 1. see openssl edition ：

openssl version

​ If lower openssl-1.0.1e-16.el6.x86_64 edition , You need to update to openssl-1.0.1e-16.el6.x86_64 And above

​ 2. see Python edition ：

 python -V

​ If lower Python 2.7 edition , Then upgrade Python To 2.7 And above .

​

​ 3. edit /etc/python/cert-verification.cfg The configuration file , take [https] Chaste verify Item set to disabled ：

vi /etc/python/cert-verification.cfg
​ Change the following parameters in the configuration

[https]
verify=disable

​ 4. edit /etc/ambari-agent/conf/ambari-agent.ini The configuration file , stay [security] Section , Make sure to set the following two values , Other values remain unchanged ：

 vi /etc/ambari-agent/conf/ambari-agent.ini

[security]
ssl_verify_cert=0
force_https_protocol=PROTOCOL_TLSv1_2

​ 5. restart ambari-agent

ambari-agent restart

Re execution , You can confirm the host and complete the registration .