WARNING 2018-08-29 19:06:38,819 NetUtil.py:124 - Server at https://master.hadoop.com:8440 is not reachable, sleeping for 10 seconds... INFO 2018-08-29 19:06:48,819 main.py:437 - Connecting to Ambari server at https://master.hadoop.com:8440 (192.168.200.30) INFO 2018-08-29 19:06:48,820 NetUtil.py:70 - Connecting to https://master.hadoop.com:8440/ca ERROR 2018-08-29 19:06:48,822 NetUtil.py:96 - EOF occurred in violation of protocol (_ssl.c:579) ERROR 2018-08-29 19:06:48,823 NetUtil.py:97 - SSLError: Failed to connect. Please check openssl library versions. Refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1022468 for more details.