# Logstash has stopped processing logs suddenly

**URL:** <https://discuss.elastic.co/t/logstash-has-stopped-processing-logs-suddenly/264273>\
**Category:** Logstash\
**Created:** [February 15, 2021, 4:06am UTC](https://discuss.elastic.co/t/logstash-has-stopped-processing-logs-suddenly/264273 "2021-02-15T04:06:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![amanpradhan](https://avatars.discourse-cdn.com/v4/letter/a/ea5d25/32.png) [@amanpradhan](https://discuss.elastic.co/u/amanpradhan)\
**Post date:** [February 15, 2021, 4:06am UTC](https://discuss.elastic.co/t/logstash-has-stopped-processing-logs-suddenly/264273/1 "2021-02-15T04:06:01Z")

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Hi Everyone,  
My logstash stopped processing logs all of sudden when i checked in kibana one day.  
I did not make any changes in any config and it was working earlier from past one year.  
Now it is giving below error

Attempted to send a bulk request to elasticsearch' but Elasticsearch appears to be unreachable or down! {:error\_message  
=\>"Elasticsearch Unreachable:

[Manticore::SocketException] Connection reset", :class=\>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::HostUnreachableError",  
:will\_retry\_in\_seconds=\>2}  
[ERROR][logstash.outputs.elasticsearch] Attempted to send a bulk request to elasticsearch, but no there are no living connections in the connection pool. Perha  
ps Elasticsearch is unreachable or down? {:error\_message=\>"No Available connections", :class=\>"LogStash::Outputs::ElasticSearch::HttpClient::Pool::NoConnectionAvailableError", :will\_re  
try\_in\_seconds=\>2}.

My logstash is running on a solaris server and elastic search and kibana both are running on same ec2 server.  
When i telnet elastic search from logstash server it is successful.  
I have not made any changes in configuration.  
When i start logstash it creates index once ,parse some logs and again it starts giving same error.  
If it is a network side issue then i will have to give a solid proof(logs) to my network team that it is happening because of network but i do not have idea about network side as how to check whether it is network issue or something else.  
When i run logstash and elastic search both on same ec2 server.it was running smoothly on that server.  
Any help would be grateful.  
Thanks in advance.

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<div class="post-metadata">

**Author:** ![amanpradhan](https://avatars.discourse-cdn.com/v4/letter/a/ea5d25/32.png) [@amanpradhan](https://discuss.elastic.co/u/amanpradhan)\
**Post date:** [March 1, 2021, 10:33am UTC](https://discuss.elastic.co/t/logstash-has-stopped-processing-logs-suddenly/264273/2 "2021-03-01T10:33:12Z")

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Please can anyone help me!!

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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:** [March 29, 2021, 10:33am UTC](https://discuss.elastic.co/t/logstash-has-stopped-processing-logs-suddenly/264273/3 "2021-03-29T10:33:30Z")

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