Why can't i install http_poller?

Elastic Stack Logstash
1

when i install http_poller, the error occured.

[mlink@vm107 logstash-2.1.1]$ bin/plugin install logstash-input-http_poller
Validating logstash-input-http_poller
Unable to download data from https://rubygems.org - Connection reset by peer (https://rubygems.global.ssl.fastly.net/latest_specs.4.8.gz)
ERROR: Installation aborted, verification failed for logstash-input-http_poller

can anybody tell me the reason?

thanks.

2

Looks like the remote system terminated the connection for some reason.
Can you try from another host?

3

thanks.

I suppose there are too many udp request to handle for the host.

I try to read from the log file.