Hi Currently I am using logstash forwarder , logstash and elasticsearch to monitor my syslogs on various machines. It was working fine but it stopped working all of sudden. I noticed my logstash had stopped working. When i tried restarting my logstash, it displayed following error in logstash.logs…

Error on logstash, can't connect to elasticsearch

Topic		Replies	Views
Elasticsearch seems to appear unreachble or down Elasticsearch	13	3891	July 5, 2017
Logstash can not connect to Elasticsearch host Logstash	2	1664	December 2, 2017
Logstash.outputs.elasticsearch: Elasticsearch appears to be unreachable or down! Logstash	3	3705	December 5, 2017
Logstash Not Connecting to Elasticsearch Logstash	10	14943	July 14, 2017
Elasticsearch after taking some logs passes the message "Attempted bulk request to the elasticsearch" Elasticsearch	6	1072	February 2, 2018