minemeld-engine FATAL Exited too quickly (process log may have details)

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minemeld-engine FATAL Exited too quickly (process log may have details)

L1 Bithead



2018-01-30T13:55:26 (4857)mgmtbus.checkpoint_graph INFO: checkpoint_graph called, checking current state
2018-01-30T13:55:26 (4857)mgmtbus.checkpoint_graph INFO: graph status None, checkpoint_graph ignored
Traceback (most recent call last):
File "/opt/minemeld/engine/current/bin/mm-run", line 11, in <module>
File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/minemeld/run/launcher.py", line 284, in main
File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/minemeld/mgmtbus.py", line 141, in wait_for_chassis
raise RuntimeError('Timeout waiting for chassis')
RuntimeError: Timeout waiting for chassis


[2018-02-01 14:30:51 CET] [32343] [ERROR] Exception on /login [POST]
Traceback (most recent call last):
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/flask/app.py", line 1988, in wsgi_app
    response = self.full_dispatch_request()
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/flask/app.py", line 1634, in full_dispatch_request
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/flask/app.py", line 1660, in try_trigger_before_first_request_functions
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/minemeld/flask/configapi.py", line 130, in _redlocked
    result = f(*args, **kwargs)
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/minemeld/flask/configapi.py", line 574, in _init_config
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/minemeld/flask/configapi.py", line 130, in _redlocked
    result = f(*args, **kwargs)
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/minemeld/flask/configapi.py", line 312, in _config_info
    version = SR.hget(REDIS_KEY_CONFIG, 'version')
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/redis/client.py", line 1857, in hget
    return self.execute_command('HGET', name, key)
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/redis/client.py", line 578, in execute_command
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/redis/connection.py", line 563, in send_command
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/redis/connection.py", line 538, in send_packed_command
  File "/opt/minemeld/engine/0.9.44/local/lib/python2.7/site-packages/redis/connection.py", line 442, in connect
    raise ConnectionError(self._error_message(e))
ConnectionError: Error 111 connecting to Connection refused.
[2018-02-01 14:30:51 CET] [32343] [DEBUG] redis connection pool: in use: 0 available: 1



MineMeld depends on a in-memory database called "Redis". In your system the "redis-server" service seems to be down.



sudo service redis-server stop
sudo service redis-server start

Thank you very much for quick answers and effective help !!!! Regards




After to add some new nodes, I've get ENGINE FATAL ERROR and i don't know how to resolve this error. I mean, I've deleted some nodes from running conf and copied it to commited file and nothing. The error is: 


[2019-12-09 12:27:01 UTC] [2641] [ERROR] Error retrieving childen of 0
Traceback (most recent call last):
File "/opt/minemeld/engine/core/minemeld/flask/supervisorapi.py", line 97, in service_status
ps = psutil.Process(pid=p['pid'])
File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/psutil/__init__.py", line 338, in __init__
File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/psutil/__init__.py", line 378, in _init
raise NoSuchProcess(pid, None, msg)
NoSuchProcess: psutil.NoSuchProcess no process found with pid 0


Please, help with this to keep working with Minemeld, because it's not the first time I reinstall the instance to keep working this this platform. 



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