Hi, I've used ELK successfully before but now I get the problem of failing to send ping to zen unicast. Here's my config file - input { file { path => "C:\logstash-1.5.4\slt.log" type => "sample" start_position => "beginning" } } filter { grok { match => { "message" => "%{DATESTAMP_RFC28…

Logstash failed to send ping to zen unicast

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Logstash failed to send ping to zen unicast