2017-07-23 08:55:18,814 - Stack Feature Version Info: stack_version=2.6, version=2.6.0.3-8, current_cluster_version=2.6.0.3-8 -> 2.6.0.3-8
2017-07-23 08:55:18,816 - Using hadoop conf dir: /usr/hdp/current/hadoop-client/conf
User Group mapping (user_group) is missing in the hostLevelParams
2017-07-23 08:55:18,817 - Group[None] {}
2017-07-23 08:55:18,819 - Adding group Group[None]
Error: Error: Unable to run the custom hook script ['/usr/bin/python', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/hook.py', 'ANY', '/var/lib/ambari-agent/data/command-209.json', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY', '/var/lib/ambari-agent/data/structured-out-209.json', 'INFO', '/var/lib/ambari-agent/tmp', 'PROTOCOL_TLSv1']