[GeoNode-users] GeoNode_Core at 3.2.0 DevMode Thumbnails

[1520 gis]

Hi developers,

I just installed a brand new instance of GeoNode at 3.2.0 DevMode python
virtualenv. After uploading a shapefile, the layer thumbnail image has not
been displayed. (Console information: Failed to load resource:
net::ERR_CONNECTION_REFUSED)
Both users geonode and www-data have access to the uploaded directory. And
after running python manage.py updatelayers the following errors are found:

[11:47, 4/30/2021] 1520gis: requests.exceptions.ConnectionError:
HTTPConnectionPool(host='10.0.0.106', port=80): Max retries exceeded with
url:
/uploaded/thumbs/layer-4ce5dc74-a9c2-11eb-8ade-6194f5def004-thumb.png?v=1bfe6584
(Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at
0x7f1910766f70>: Failed to establish a new connection: [Errno 111]
Connection refused'))
[11:47, 4/30/2021] 1520gis: PIL.UnidentifiedImageError: cannot identify
image file <_io.BytesIO object at 0x7f19107028b0>

The page response for the URL
http://10.0.0.106/uploaded/thumbs/layer-1ba5ec92-a9c9-11eb-8144-ebc3983e2d02-thumb.png?v=8779ea67
is shown bellow:
This site can’t be reached

*10.0.0.106* refused to connect.

Try:

   - Checking the connection
   - Checking the proxy and the firewall

ERR_CONNECTION_REFUSED

Any comment on this issue will be very appreciated.

Thank you very much for your time in advance
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