Metrics charts are empty

[veruyandi]

General information

• OS Platform and Distribution (e.g., Linux Ubuntu 16.04): Oracle Linux Server 7.7 Kernel: 4.14.35-1902.8.4.el7uek.x86_64
• ElasticHQ Version: v3.5.12
• Elasticsearch Version: 7.4.2 (using Open Distro for ElasticSearch 1.4.0)
• Python version (ignore is using docker image): 3.6.8
• Browser Vendor and Version (if applicable): Chrome 78.0.3904.108 (Official Build) (64 bit)

Issue Description

I installed and run the server on last Friday, and was able to see all the live metrics, today when i'm back to the office, application.py was stopped and i restarted it and i can't see now any data on Metrics.
I've tried to reinitialize the db, but it hasn't solved.

Logs

application.log

2020-04-06 14:01:57,379 INFO elastichq globals.get:115 Getting Cache Key: elastichq.service.HQService:get_settings|somecluster
2020-04-06 14:02:10,467 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet OPEN data {'sid': 'd2d7895485e447deae6df4533d9f4aa1', 'upgrades': ['websocket'], 'pingTimeout': 60000, 'pingInterval': 25000}
2020-04-06 14:02:10,467 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet MESSAGE data 0
2020-04-06 14:02:10,664 INFO engineio socket.receive:52 d2d7895485e447deae6df4533d9f4aa1: Received packet MESSAGE data 0/ws,
2020-04-06 14:02:10,664 INFO socketio server.emit:226 emitting event "event" to d2d7895485e447deae6df4533d9f4aa1 [/ws]
2020-04-06 14:02:10,665 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet MESSAGE data 2/ws,["event",{"connected":true}]
2020-04-06 14:02:10,665 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet MESSAGE data 0/ws
2020-04-06 14:02:10,680 INFO engineio socket.handle_get_request:101 d2d7895485e447deae6df4533d9f4aa1: Received request to upgrade to websocket
2020-04-06 14:02:10,708 INFO engineio socket.receive:52 d2d7895485e447deae6df4533d9f4aa1: Received packet MESSAGE data 2/ws,["join",{"room_name":"somecluster::nodes"}]
2020-04-06 14:02:10,708 INFO socketio server._handle_event:453 received event "join" from d2d7895485e447deae6df4533d9f4aa1 [/ws]
2020-04-06 14:02:10,708 DEBUG elastichq socket.joined:53 Received room join: {'room_name': 'somecluster::nodes'}
2020-04-06 14:02:10,708 INFO socketio server.enter_room:280 d2d7895485e447deae6df4533d9f4aa1 is entering room somecluster::nodes [/ws]
2020-04-06 14:02:10,709 ERROR engineio server._trigger_event:425 message handler error
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/engineio/server.py", line 423, in _trigger_event
return self.handlersevent
File "/usr/local/lib/python3.6/site-packages/socketio/server.py", line 522, in _handle_eio_message
self._handle_event(sid, pkt.namespace, pkt.id, pkt.data)
File "/usr/local/lib/python3.6/site-packages/socketio/server.py", line 458, in _handle_event
self._handle_event_internal(self, sid, data, namespace, id)
File "/usr/local/lib/python3.6/site-packages/socketio/server.py", line 461, in _handle_event_internal
r = server._trigger_event(data[0], namespace, sid, *data[1:])
File "/usr/local/lib/python3.6/site-packages/socketio/server.py", line 490, in _trigger_event
return self.handlers[namespace]event
File "/usr/local/lib/python3.6/site-packages/flask_socketio/init.py", line 251, in _handler
*args)
File "/usr/local/lib/python3.6/site-packages/flask_socketio/init.py", line 634, in _handle_event
ret = handler(*args)
File "/usr/share/elasticsearch-HQ-master/elastichq/api/socket.py", line 60, in joined
print(rooms())
OSError: [Errno 5] Input/output error
2020-04-06 14:02:10,710 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet NOOP data None
2020-04-06 14:02:10,735 INFO engineio socket._websocket_handler:203 d2d7895485e447deae6df4533d9f4aa1: Upgrade to websocket successful
2020-04-06 14:02:20,416 INFO engineio socket.receive:52 216d67b88b2848998b703faa2c641209: Received packet PING data None
2020-04-06 14:02:20,416 INFO engineio socket.send:91 216d67b88b2848998b703faa2c641209: Sending packet PONG data None
2020-04-06 14:02:35,677 INFO engineio socket.receive:52 d2d7895485e447deae6df4533d9f4aa1: Received packet PING data None
2020-04-06 14:02:35,678 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet PONG data None
2020-04-06 14:02:45,433 INFO engineio socket.receive:52 216d67b88b2848998b703faa2c641209: Received packet PING data None
2020-04-06 14:02:45,433 INFO engineio socket.send:91 216d67b88b2848998b703faa2c641209: Sending packet PONG data None
2020-04-06 14:03:00,683 INFO engineio socket.receive:52 d2d7895485e447deae6df4533d9f4aa1: Received packet PING data None
2020-04-06 14:03:00,684 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet PONG data None
2020-04-06 14:03:10,449 INFO engineio socket.receive:52 216d67b88b2848998b703faa2c641209: Received packet PING data None
2020-04-06 14:03:10,450 INFO engineio socket.send:91 216d67b88b2848998b703faa2c641209: Sending packet PONG data None
2020-04-06 14:03:25,689 INFO engineio socket.receive:52 d2d7895485e447deae6df4533d9f4aa1: Received packet PING data None
2020-04-06 14:03:25,689 INFO engineio socket.send:91 d2d7895485e447deae6df4533d9f4aa1: Sending packet PONG data None
2020-04-06 14:03:35,466 INFO engineio socket.receive:52 216d67b88b2848998b703faa2c641209: Received packet PING data None
2020-04-06 14:03:35,467 INFO engineio socket.send:91 216d67b88b2848998b703faa2c641209: Sending packet PONG data None

browser errors that i've catched when metrics page is open.

websocket.js:110 WebSocket connection to 'ws://someserver:5000/socket.io/?EIO=3&transport=websocket&sid=206392aa4dbe47d99e3841ce7c9bddd1' failed: Received a broken close frame containing invalid UTF-8.
h.doOpen @ websocket.js:110
o.open @ transport.js:83
u.probe @ socket.js:400
u.onOpen @ socket.js:421
u.onHandshake @ socket.js:482
u.onPacket @ socket.js:444
(anonymous) @ socket.js:276
r.emit @ index.js:133
o.onPacket @ transport.js:148
(anonymous) @ polling.js:144
(anonymous) @ browser.js:604
t.decodePayloadAsBinary @ browser.js:603
t.decodePayload @ browser.js:374
u.onData @ polling.js:148
(anonymous) @ polling-xhr.js:127
r.emit @ index.js:133
u.onData @ polling-xhr.js:300
u.onLoad @ polling-xhr.js:367
hasXDR.t.onreadystatechange @ polling-xhr.js:253
polling-xhr.js:265 GET http://someserver:5000/socket.io/?EIO=3&transport=polling&t=N5Ff0qo&sid=206392aa4dbe47d99e3841ce7c9bddd1 400 (BAD REQUEST)

angular.js:14791 Error: Err: unable to reach elastichq.org is not valid version string.
at m (index.js:81)
at e.value (footer.controller.js:40)
at footer.controller.js:22
at angular.js:17160
at angular.js:17208
at c.$digest (angular.js:18342)
at c.$apply (angular.js:18640)
at angular.js:12618
at w (angular.js:12862)
at XMLHttpRequest.b.onload (angular.js:12779) "Possibly unhandled rejection: {}"
(anonymous) @ angular.js:14791

[sdesse]

I think duplicate issue with this one:
Metrics graphs not drawing #506