Hi,
changed the setting and there is no difference in the result.
Here is the complete error:
root@esearch9:/usr/share/logstash# export HTTP_PROXY=http://wsus.oss.local:443/
root@esearch9:/usr/share/logstash# JARS_DEBUG=true JARS_VERBOSE=true DEBUG=1 bin/logstash-plugin install logstash-filter-elasticsearch
DEBUG: exec /usr/share/logstash/vendor/jruby/bin/jruby /usr/share/logstash/lib/pluginmanager/main.rb install logstash-filter-elasticsearch
--- loaded jars ---
register ["org.bouncycastle", "bcpkix-jdk15on", "1.54"] - true
register ["org.bouncycastle", "bcprov-jdk15on", "1.54"] - true
Looking if package named: logstash-filter-elasticsearch exists at https://artifacts.elastic.co/downloads/logstash-plugins/logstash-filter-elasticsearch/logstash-filter-elasticsearch-5.2.0.zip
Errno::ECONNREFUSED: Connection refused - Connection refused
initialize at org/jruby/ext/socket/RubyTCPSocket.java:126
open at org/jruby/RubyIO.java:1197
connect at /usr/share/logstash/vendor/jruby/lib/ruby/1.9/net/http.rb:763
timeout at org/jruby/ext/timeout/Timeout.java:98
connect at /usr/share/logstash/vendor/jruby/lib/ruby/1.9/net/http.rb:763
do_start at /usr/share/logstash/vendor/jruby/lib/ruby/1.9/net/http.rb:756
start at /usr/share/logstash/vendor/jruby/lib/ruby/1.9/net/http.rb:745
start at /usr/share/logstash/vendor/jruby/lib/ruby/1.9/net/http.rb:557
start at /usr/share/logstash/lib/pluginmanager/utils/http_client.rb:13
remote_file_exist? at /usr/share/logstash/lib/pluginmanager/utils/http_client.rb:23
get_installer_for at /usr/share/logstash/lib/pluginmanager/pack_fetch_strategy/repository.rb:27
create at /usr/share/logstash/lib/pluginmanager/install_strategy_factory.rb:15
each at org/jruby/RubyArray.java:1613
create at /usr/share/logstash/lib/pluginmanager/install_strategy_factory.rb:14
execute at /usr/share/logstash/lib/pluginmanager/install.rb:30
run at /usr/share/logstash/vendor/bundle/jruby/1.9/gems/clamp-0.6.5/lib/clamp/command.rb:67
execute at /usr/share/logstash/vendor/bundle/jruby/1.9/gems/clamp-0.6.5/lib/clamp/subcommand/execution.rb:11
run at /usr/share/logstash/vendor/bundle/jruby/1.9/gems/clamp-0.6.5/lib/clamp/command.rb:67
run at /usr/share/logstash/vendor/bundle/jruby/1.9/gems/clamp-0.6.5/lib/clamp/command.rb:132
(root) at /usr/share/logstash/lib/pluginmanager/main.rb:46