Logstash output logs to Elasticsearch server ConfigurationError

Question

I use Logstash(2.4.0) output logs to Elasticsearch(2.3.3) server.

Before launch Logstash,I write a configuration file logstash-2.4.0/conf:

input { 
    stdin {} 
} 
filter{
}           
output {            
    elasticsearch { host => localhost }
    stdout { codec => rubydebug }
}

then run ./bin/logstash -f conf/logstash.conf,the error info as below: how to slove this problem?

Try removing the filter criteria, since it's not used in the above and the host within elasticsearch should be hosts. — Kulasangar
– Kulasangar, Commented Nov 17, 2016 at 10:10

Kulasangar · Accepted Answer · 2016-11-17 10:25:38Z

1

You could have the config look like below, without having the filter. You're missing out the "s" in hosts and the double quotes which should go before and after localhost.

input {
       stdin {}
}

output {
     elasticsearch { hosts => "localhost" }
     stdout { codec => rubydebug }
}

You could check the exact synopsis for the elasticsearch plugin from here.

edited Nov 17, 2016 at 10:25

answered Nov 17, 2016 at 9:57

Kulasangar

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8 Comments

baudsp Over a year ago

If the ES is localhost, it should not need to add this configuration option, since the default for hosts is 172.0.0.1, no?

Kulasangar Over a year ago

@baudsp Yes that's right, you can either have it or leave it without mentioning it.

Kulasangar Over a year ago

@baudsp no problem, anytime :)

Yao Pan Over a year ago

172.0.0.1 or 127.0.0.1?

Kulasangar Over a year ago

@YaoPan it's 127.0.0.1

|

Yao Pan · Accepted Answer · 2016-11-20 16:14:22Z

0

according to @Kulasangar' answer,it works well on CentOS 6.5 and Ubuntu 16.04,but has the same error on my MAC.I change to root user:

sudo su

then I relaunch logstash and elasticsearch,everything is well.

answered Nov 20, 2016 at 16:14

Yao Pan

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