[jira] [Created] (AMBARI-26189) Ambari metrics monitor start is failing

["Mohammad Arshad (Jira)" <ji...@apache.org>]

Mohammad Arshad created AMBARI-26189:
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             Summary: Ambari metrics monitor start is failing
                 Key: AMBARI-26189
                 URL: https://issues.apache.org/jira/browse/AMBARI-26189
             Project: Ambari
          Issue Type: Bug
         Environment: rocky linux 8
            Reporter: Mohammad Arshad


Ambari metrics start is failing with followign error
NoneType: None

The above exception was the cause of the following exception:

Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/3.0.0/package/scripts/metrics_monitor.py", line 78, in <module>
    AmsMonitor().execute()
  File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 354, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/3.0.0/package/scripts/metrics_monitor.py", line 43, in start
    action = 'start'
  File "/usr/lib/ambari-agent/lib/ambari_commons/os_family_impl.py", line 90, in thunk
    return fn(*args, **kwargs)
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/3.0.0/package/scripts/ams_service.py", line 109, in ams_service
    user=params.ams_user
  File "/usr/lib/ambari-agent/lib/resource_management/core/base.py", line 164, in __init__
    self.env.run()
  File "/usr/lib/ambari-agent/lib/resource_management/core/environment.py", line 163, in run
    self.run_action(resource, action)
  File "/usr/lib/ambari-agent/lib/resource_management/core/environment.py", line 127, in run_action
    provider_action()
  File "/usr/lib/ambari-agent/lib/resource_management/core/providers/system.py", line 280, in action_run
    returns=self.resource.returns)
  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 73, in inner
    result = function(command, **kwargs)
  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 103, in checked_call
    tries=tries, try_sleep=try_sleep, timeout_kill_strategy=timeout_kill_strategy, returns=returns)
  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 151, in _call_wrapper
    result = _call(command, **kwargs_copy)
  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 315, in _call
    raise ExecutionFailed(err_msg, code, out, err)
resource_management.core.exceptions.ExecutionFailed: Execution of '/usr/sbin/ambari-metrics-monitor --config /etc/ambari-metrics-monitor/conf start' returned 255. psutil build directory is not empty, continuing...
Verifying Python version compatibility...
Using python  /usr/bin/python3
Checking for previously running Metric Monitor...
/var/run/ambari-metrics-monitor/ambari-metrics-monitor.pid found with no process. Removing 92965...
Starting ambari-metrics-monitor
Verifying ambari-metrics-monitor process status with PID : 672530
Output of PID check : 
ERROR: ambari-metrics-monitor start failed. For more details, see /var/log/ambari-metrics-monitor/ambari-metrics-monitor.out:
====================
    from event_definition import HostMetricCollectEvent, ProcessMetricCollectEvent
ModuleNotFoundError: No module named 'event_definition'
Traceback (most recent call last):
  File "/usr/lib/python3.9/site-packages/resource_monitoring/main.py", line 33, in <module>
    from resource_monitoring.core.controller import Controller
  File "/usr/lib/python3.9/site-packages/resource_monitoring/core/controller.py", line 27, in <module>
    from resource_monitoring.core.metric_collector import MetricsCollector
  File "/usr/lib/python3.9/site-packages/resource_monitoring/core/metric_collector.py", line 23, in <module>
    from event_definition import HostMetricCollectEvent, ProcessMetricCollectEvent
ModuleNotFoundError: No module named 'event_definition'
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