Hi guys, I have my Elasticsearch on one server and logstash on another. I am getting the following error in my logstash, will need your inputs: log4j, [2015-03-11T05:26:32.662] WARN: org.elasticsearch.discovery.zen.ping.unicast: [logstash-ip-172-xx-xxx-7-8623-2016] failed to send ping to [[#z…

Logstash failed to send ping to elasticsearch

Topic		Replies	Views
Logstash failed to send ping to zen unicast Logstash	3	928	July 6, 2017
Failed to send ping to zen_unicast_1 Elasticsearch	5	3060	July 6, 2017
Logstash error Logstash	2	2385	July 6, 2017
Failed to send ping to Elasticsearch	11	20273	July 5, 2017
WARN [unicast] [graylog-10c86db3-2159-4731-9c3f-14adf0634104] failed to send ping to [{#zen_unicast_1#}{127.0.0.1}{127.0.0.1:9300}] org.elasticsearch.transport.SendRequestTransportException: [][127.0.0.1:9300][internal:discovery/zen/unicast] Elasticsearch	2	817	July 5, 2017