I am new to Ambari ... It looks like it is not allowed to manually edit configuration files like /etc/hive/conf/hive-site.xml. I tried to make some changes but after I re-started Hive via Ambari - all my changes are gone. Can somebody comment on this and point me to some Amabari "best practices" documentation?
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I have the same problem while installing of CDH-5.12 on a 3-node cluster: 1) PowerEdge - the main computer where cloudera-scm-server is running; 2) hadoop-1 - the 1st node where cloudera-scm-agent is running; 3) hadoop-2 - the 2nd node where cloudera-scm-agent is running; This is what I see in /var/log/cloudera-scm-agent/cloudera-scm-agent.log on hadoop-1: [06/Sep/2017 22:51:12 +0000] 18772 MainThread agent ERROR Heartbeating to computer.home:7182 failed. Traceback (most recent call last): File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.12.0-py2.7.egg/cmf/agent.py", line 1401, in _send_heartbeat self.master_port) File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/avro-1.6.3-py2.7.egg/avro/ipc.py", line 469, in __init__ self.conn.connect() File "/usr/lib64/python2.7/httplib.py", line 807, in connect self.timeout, self.source_address) File "/usr/lib64/python2.7/socket.py", line 571, in create_connection raise err error: [Errno 111] Connection refused BTW, this is what netstat is reporting: > netstat -a | grep 7182 tcp 0 0 hadoop-1:47144 PowerEdge:7182 ESTABLISHED What have I done wrong?
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