# LogStash-Outputs -ElasticSearch - URI is not valid - host is not specified
**URL:** https://discuss.elastic.co/t/logstash-outputs-elasticsearch-uri-is-not-valid-host-is-not-specified/222664
**Category:** Logstash
**Tags:** docker
**Created:** [March 9, 2020, 8:13am UTC](https://discuss.elastic.co/t/logstash-outputs-elasticsearch-uri-is-not-valid-host-is-not-specified/222664 "2020-03-09T08:13:01Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Austin\_Lai](https://discuss.elastic.co/u/Austin_Lai)
#### Post date: [March 9, 2020, 8:13am UTC](https://discuss.elastic.co/t/logstash-outputs-elasticsearch-uri-is-not-valid-host-is-not-specified/222664/1 "2020-03-09T08:13:01Z")
# Anyone solved the issue of below error message??
# logstash7.6.1 | [2020-03-08T06:49:05,409][DEBUG][logstash.plugins.registry] On demand adding plugin to the registry {:name=\>"elasticsearch", :type=\>"output", :class=\>LogStash::Outputs::Elasticsearch} logstash7.6.1 | [2020-03-08T06:49:05,490][FATAL][logstash.runner] The given configuration is invalid. Reason: Unable to configure plugins: (ArgumentError) URI is not valid - host is not specified logstash7.6.1 | [2020-03-08T06:49:05,514][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit
> Using hostname in output elasticsearch - logstash not working
> ================================
> output {
> stdout { codec =\> rubydebug }
> elasticsearch {
> hosts =\> ["[http://elasticsearch7.6.1:9200](http://elasticsearch7.6.1:9200/?fbclid=IwAR1njXoxFGuBv-LCDE1kCsalPUQSCUgQZiHjieki2BcfyZWvJIbvxK_rM8U)"]
> sniffing =\> true
> manage\_template =\> false
> index =\> ["%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"]
> document\_type =\> ["%{[@metadata][type]}"]
> }
> }
OR
output {
stdout { codec =\> rubydebug }
elasticsearch {
hosts =\> ["elasticsearch7.6.1:9200"]
sniffing =\> true
manage\_template =\> false
index =\> ["%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"]
document\_type =\> ["%{[@metadata][type]}"]
}
}
OR
# output { stdout { codec =\> rubydebug } elasticsearch { hosts =\> ["elasticsearch7.6.1-docker-host:9200"] sniffing =\> true manage\_template =\> false index =\> ["%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"] document\_type =\> ["%{[@metadata][type]}"] } }
> But using IP in output elasticsearch - logstash working fine
> =============
# output { stdout { codec =\> rubydebug } elasticsearch { hosts =\> ["[http://172.19.0.2:9200](http://172.19.0.2:9200/?fbclid=IwAR1jPvb70uju6yCaxjalkC3k_rXZ0xODoUr5lU64vkqhocKP4uG-ylGdN3w)"] sniffing =\> true manage\_template =\> false index =\> ["%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"] document\_type =\> ["%{[@metadata][type]}"] } }
> My kibana got no issue to connect to elasticsearch using hostname
> Docker environment
---
### Author:  [@mingderwang1](https://discuss.elastic.co/u/mingderwang1)
#### Post date: [March 9, 2020, 2:16pm UTC](https://discuss.elastic.co/t/logstash-outputs-elasticsearch-uri-is-not-valid-host-is-not-specified/222664/2 "2020-03-09T14:16:33Z")
> [@Austin\_Lai](#):
>
> elasticsearch7.6.1-docker-host:9200
replace the hostname without using DOT, resolved the problem. We figure it out from the source code.
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [April 6, 2020, 2:16pm UTC](https://discuss.elastic.co/t/logstash-outputs-elasticsearch-uri-is-not-valid-host-is-not-specified/222664/3 "2020-04-06T14:16:43Z")
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