elasticsearch - Logstash unable to start when I add grep filter -


i have logstash instance deployed on local , trying head wrapped around it. added simple grep filter logstash.conf file, when restart service, fails. , when remove grep statement works fine. here config. appreciated. thanks.

input {         kafka {         zk_connect => "localhost:9091"         topic_id => "rawlog"         reset_beginning => false         consumer_threads => 1         consumer_restart_on_error => true         consumer_restart_sleep_ms => 100         decorate_events => false     }  } output {   elasticsearch {     bind_host => "localhost"     protocol => "http"   } } filter {   grep {     match => {"message"=>"hello-world"}   } }

grep{} deprecated in favor of conditionals , drop{}:

filter {   if [message] !~ /hello-world/ {     drop{}   } }

if doesn't help, post sample of input.


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