# Logstash not sending data to elasticsearch throwing exception in logs

**URL:** <https://discuss.elastic.co/t/logstash-not-sending-data-to-elasticsearch-throwing-exception-in-logs/182987>\
**Category:** Logstash\
**Created:** [May 28, 2019, 5:38am UTC](https://discuss.elastic.co/t/logstash-not-sending-data-to-elasticsearch-throwing-exception-in-logs/182987 "2019-05-28T05:38:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![r.ganeshbabu](https://avatars.discourse-cdn.com/v4/letter/r/4da419/32.png) [@r.ganeshbabu](https://discuss.elastic.co/u/r.ganeshbabu)\
**Post date:** [May 28, 2019, 5:38am UTC](https://discuss.elastic.co/t/logstash-not-sending-data-to-elasticsearch-throwing-exception-in-logs/182987/1 "2019-05-28T05:38:10Z")

</div>

Hi All,

We are trying to send data elasticsearch via logstash and we are keep getting the below error and warning in the logs,

```
[WARN] 2019-05-28 05:27:52.152 [Ruby-0-Thread-9: /usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.2.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:232] elasticsearch - Restored connection to ES instance {:url=>"http://elasticsearch:9200/"}
[WARN] 2019-05-28 05:28:21.169 [Ruby-0-Thread-22: /usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:285] elasticsearch - Marking url as dead. Last error: [LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError] Elasticsearch Unreachable: [http://elasticsearch:9200/][Manticore::SocketTimeout] Read timed out {:url=>http://elasticsearch:9200/, :error_message=>"Elasticsearch Unreachable: [http://elasticsearch:9200/][Manticore::SocketTimeout] Read timed out", :error_class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError"}
[ERROR] 2019-05-28 05:28:21.169 [Ruby-0-Thread-22: /usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:285] elasticsearch - Attempted to send a bulk request to elasticsearch' but Elasticsearch appears to be unreachable or down! {:error_message=>"Elasticsearch Unreachable: [http://elasticsearch:9200/][Manticore::SocketTimeout] Read timed out", :class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError", :will_retry_in_seconds=>2}
[WARN] 2019-05-28 05:28:21.188 [Ruby-0-Thread-21: /usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:285] elasticsearch - Marking url as dead. Last error: [LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError] Elasticsearch Unreachable: [http://elasticsearch:9200/][Manticore::SocketTimeout] Read timed out {:url=>http://elasticsearch:9200/, :error_message=>"Elasticsearch Unreachable: [http://elasticsearch:9200/][Manticore::SocketTimeout] Read timed out", :error_class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError"}
[ERROR] 2019-05-28 05:28:21.189 [Ruby-0-Thread-21: /usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:285] elasticsearch - Attempted to send a bulk request to elasticsearch' but Elasticsearch appears to be unreachable or down! {:error_message=>"Elasticsearch Unreachable: [http://elasticsearch:9200/][Manticore::SocketTimeout] Read timed out", :class=>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError", :will_retry_in_seconds=>2}
[INFO] 2019-05-28 05:28:21.838 [Ruby-0-Thread-17: /usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.2.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:232] elasticsearch - Running health check to see if an Elasticsearch connection is working {:healthcheck_url=>http://elasticsearch:9200/, :path=>"/"}
[WARN] 2019-05-28 05:28:21.843 [Ruby-0-Thread-17: /usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.2.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:232] elasticsearch - Restored connection to ES instance {:url=>"http://elasticsearch:9200/"}

```

Logstash and elasticsearch setup were running in kubernetes pods.

Please let me know your thoughts and help us to resolve the issue.

Regards,  
Ganeshbabu R

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 25, 2019, 5:38am UTC](https://discuss.elastic.co/t/logstash-not-sending-data-to-elasticsearch-throwing-exception-in-logs/182987/2 "2019-06-25T05:38:11Z")

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