# Cannot get new connection from pool - Ubuntu 16.04.1 LTS

**URL:** https://discuss.elastic.co/t/cannot-get-new-connection-from-pool-ubuntu-16-04-1-lts/70393
**Category:** Elasticsearch
**Created:** [January 3, 2017, 6:05am UTC](https://discuss.elastic.co/t/cannot-get-new-connection-from-pool-ubuntu-16-04-1-lts/70393 "2017-01-03T06:05:13Z")
**Posts on this page:** 5
**Page:** 1

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### Author: ![afanencoo](https://avatars.discourse-cdn.com/v4/letter/a/eb8c5e/32.png) [@afanencoo](https://discuss.elastic.co/u/afanencoo)
#### Post date: [January 3, 2017, 6:05am UTC](https://discuss.elastic.co/t/cannot-get-new-connection-from-pool-ubuntu-16-04-1-lts/70393/1 "2017-01-03T06:05:13Z")

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Hello,

I followed [This guide](https://www.digitalocean.com/community/tutorials/how-to-install-elasticsearch-logstash-and-kibana-elk-stack-on-ubuntu-14-04#load-kibana-dashboards) to install ELK stack on Ubuntu Server, and am receiving  
a barage of errors saying "Cannot get new connection from pool".

This is the message I am receiving from logstash.log

> <https://gist.github.com/anonymous/f781c149554eefdc40d44c38df1beddd>

Anything I could try to get around this?

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### Author: ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [January 3, 2017, 6:09am UTC](https://discuss.elastic.co/t/cannot-get-new-connection-from-pool-ubuntu-16-04-1-lts/70393/2 "2017-01-03T06:09:12Z")

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Are you running more recent versions at least?

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<div class="post-metadata">

### Author: ![afanencoo](https://avatars.discourse-cdn.com/v4/letter/a/eb8c5e/32.png) [@afanencoo](https://discuss.elastic.co/u/afanencoo)
#### Post date: [January 3, 2017, 9:45pm UTC](https://discuss.elastic.co/t/cannot-get-new-connection-from-pool-ubuntu-16-04-1-lts/70393/3 "2017-01-03T21:45:06Z")

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Version of what specifically?  
Elasticsearch 2.4.3  
logstash 2.2.4-1  
kibana 4.42

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<div class="post-metadata">

### Author: ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [January 3, 2017, 10:57pm UTC](https://discuss.elastic.co/t/cannot-get-new-connection-from-pool-ubuntu-16-04-1-lts/70393/4 "2017-01-03T22:57:00Z")

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Versions of the stack, we're up to 5.1.1 🙂

What does your LS config actually look like?

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [January 31, 2017, 10:57pm UTC](https://discuss.elastic.co/t/cannot-get-new-connection-from-pool-ubuntu-16-04-1-lts/70393/5 "2017-01-31T22:57:09Z")

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