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cloudera agent has issue after OS RHEL 7.5 to 7.9 upgrade

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Contributor

Hi ,

 

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
~

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Community Manager

@hanumanth Has the reply helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future. Thanks


Regards,

Diana Torres,
Community Moderator


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Master Collaborator

Hey @hanumanth 

Circling back to know if the posted checks helped you with this task. 

Additionally, Please share what was done to sort this situation.

HTH!

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Contributor

Hey Team,

 

As suggested by @vaishaakb  i done the checks of UUID and properly set the java home then cloudera agent able to communicate with server. Thanks for your help

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Contributor

Thank you all who are supporting or helping on this issue

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Master Collaborator

Hey @hanumanth Thank you for marking this post as Accepted Solution.

If you find my sanity checks helpful, you can also thank me by clicking on the thumbs up button:)

 

V