socket hang up usually means, that there has been some errors around the network. Can you actually check if you are able to retrieve the file from that system the Kibana server is running on? E.g. try a curl -I https://github.com/kyushy/kibana-xlsx-import/releases/download/6.2.3/xlsx-import-6.2.3-react-latest.zip > /dev/null and show the output if that?
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0curl: (35) Peer reports incompatible or unsupported protocol version.
That really looks like you are seeing a different output than I am. Could you perhaps check a) your curl version curl -V and b) execute the command again in verbose mode:
You are actually connecting through a proxy. That proxy seems not to handle TLS properly, since you can see, that you've get some SSL_ERROR_PROTOCOL_VERSION_ALERT. So I am not sure if it will be possible to get this working behind that proxy. Please consult whoever is managing that proxy, that you are using, and just show them that above curl request. As soon as that curl is working, Kibana shouldn't have an issue anymore downloading that plugin.
Yeah @timroes i'm using proxy to connect to internet, thanks for the information i'll check with the administrator regarding this.
One more thing i have even downlaoded the plugin manually, is there a way where i can install it manually?
The github page instruction have provided a manual link to download the plugin as well, but there was no steps provided for installation
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