While doing Cross Cluster Replication between OpenSearch domains Getting Error transport_exception [][[x.x.x.x]:9300] general node connection failure

Question

"error" "root_cause" "type" : "transport_exception", "reason" : "handshake failed because connection reset" "type" : "connect_transport_exception", "reason" : "[][[x.x.x.x]:9300] general node connection failure", "caused_by" : { "type" : "transport_exception", "reason" : "handshake failed because connection reset"

Answer 1

Could be a problem on AWS Side. Try to trigger Blue/green deployment on both of your clusters, and apply latest patches for your version of OpenSearch.