We upgraded OS of one of the server in cluster from RHEL 7.5 to 7.9. After that we are unable to start cloudera services from webui, getting below errors in agent log file. can anyone help me to get rid of this issue.
AttributeError: 'NoneType' object has no attribute 'get' [30/Sep/2022 19:37:38 +0000] 1048 MainThread agent WARNING Long HB processing time: 7.00362992287 [30/Sep/2022 19:38:01 +0000] 1048 DnsResolutionMonitor throttling_logger INFO DnsTest not running. Java not located. [30/Sep/2022 19:38:37 +0000] 1048 MonitorDaemon-Reporter firehoses INFO Creating a connection to the ACTIVITYMONITOR. [30/Sep/2022 19:38:37 +0000] 1048 MonitorDaemon-Reporter firehoses INFO Creating a connection to the SERVICEMONITOR. [30/Sep/2022 19:38:37 +0000] 1048 MonitorDaemon-Reporter firehoses INFO Creating a connection to the HOSTMONITOR. [30/Sep/2022 19:38:37 +0000] 1048 MonitorDaemon-Reporter throttling_logger ERROR Error sending messages to firehose: mgmt-HOSTMONITOR-d85e01b86fca15e35281bae2797b3c77 Traceback (most recent call last): File "/opt/cloudera/cm-agent/lib/python2.7/site-packages/cmf/monitor/firehose.py", line 121, in _send self._port) File "/opt/cloudera/cm-agent/lib/python2.7/site-packages/avro/ipc.py", line 469, in __init__ self.conn.connect() File "/usr/lib64/python2.7/httplib.py", line 837, 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 [30/Sep/2022 19:47:09 +0000] 1048 MainThread heartbeat_tracker INFO HB stats (seconds): num:46 LIFE_MIN:0.00 min:0.00 mean:0.02 max:0.26 LIFE_MAX:0.01 ~