Followed this document: https://www.elastic.co/blog/how-to-setup-tls-for-elasticsearch-kibana-logstash-filebeat-with-offline-install-in-linux](https://www.elastic.co/blog/how-to-setup-tls-for-elasticsearch-kibana-logstash-filebeat-with-offline-install-in-linux)
[FATAL] 2019-11-07 02:08:50.030 [LogStash::Runner] runner - An unexpected error occurred! {:error=>#<LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError: LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError>, :backtrace=>["/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb:80:in perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:291:in perform_request_to_url'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:278:in block in perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:373:in with_connection'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:277:in perform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:285:in block in Pool'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client.rb:341:in exists?'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/http_client.rb:359:in rollover_alias_exists?'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/ilm.rb:91:in maybe_create_rollover_alias'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/ilm.rb:10:in setup_ilm'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-output-elasticsearch-10.1.0-java/lib/logstash/outputs/elasticsearch/common.rb:52:in `block in setup_after_successful_connection'"]}
[ERROR] 2019-11-07 02:08:50.201 [LogStash::Runner] Logstash - java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit