splunk-ruby-sdk `sysread_nonblock': end of file reached (EOFError)

error.log

/usr/local/ruby/2.2.3/lib/ruby/2.2.0/openssl/buffering.rb:182:in `sysread_nonblock': end of file reached (EOFError)
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/openssl/buffering.rb:182:in `read_nonblock'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/protocol.rb:153:in `rbuf_fill'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/protocol.rb:134:in `readuntil'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/protocol.rb:144:in `readline'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http/response.rb:39:in `read_status_line'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http/response.rb:28:in `read_new'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http.rb:1414:in `block in transport_request'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http.rb:1411:in `catch'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http.rb:1411:in `transport_request'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http.rb:1384:in `request'
	from /usr/local/ruby/2.2.3/lib/ruby/gems/2.2.0/gems/splunk-sdk-ruby-1.0.5/lib/splunk-sdk-ruby/context.rb:455:in `block in request_by_url'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http.rb:853:in `start'
	from /usr/local/ruby/2.2.3/lib/ruby/2.2.0/net/http.rb:583:in `start'
	from /usr/local/ruby/2.2.3/lib/ruby/gems/2.2.0/gems/splunk-sdk-ruby-1.0.5/lib/splunk-sdk-ruby/context.rb:447:in `request_by_url'
	from /usr/local/ruby/2.2.3/lib/ruby/gems/2.2.0/gems/splunk-sdk-ruby-1.0.5/lib/splunk-sdk-ruby/context.rb:355:in `request'
	from /usr/local/ruby/2.2.3/lib/ruby/gems/2.2.0/gems/splunk-sdk-ruby-1.0.5/lib/splunk-sdk-ruby/context.rb:233:in `login'
	from /usr/local/ruby/2.2.3/lib/ruby/gems/2.2.0/gems/splunk-sdk-ruby-1.0.5/lib/splunk-sdk-ruby/service.rb:82:in `connect'